abx-0.2.1/0000775000175000017500000000000015236160043006027 5abx-0.2.1/src/0000775000175000017500000000000015236160043006616 5abx-0.2.1/src/soundfile.h0000644000175000017500000000446214757171255010721 /* soundfile.h - low level sound file I/O interface * * Copyright 2010, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #ifndef ABX_SOUNDFILE_H #define ABX_SOUNDFILE_H #include /* Sound metadata structure. */ typedef struct { char *filename; int channels; /* number of channels */ long frames; /* number of frames */ int rate; /* sampling rate */ double duration; /* duration in seconds */ } Sndfile_metadata; /* Sound file handle type. */ typedef struct Sndfile Sndfile; /* Error string for the most recent error. */ extern const char *sndfile_error; /* * Open sound file for reading. * * Return handle to the opened sound file, or NULL on error. */ extern Sndfile *sndfile_open(const char *filename); /* * Close sound file. * * Return 0 on success, or nonzero on error. */ extern int sndfile_close(Sndfile *sndfile); /* * Return sound file metadata. */ extern Sndfile_metadata sndfile_get_metadata(Sndfile *sndfile); /* * Seek sound file. Offset (in seconds) and whence are as in fseek. * * Return the new location in seconds, or -1 on error. */ extern double sndfile_seek(Sndfile *sndfile, double offset, int whence); /* * Read nframes frames of normalized PCM data from sound file to buf. * * Return the number of frames read. It can be less than nframes if * the end of file was reached. */ extern long sndfile_read(Sndfile *sndfile, float *buf, long nframes); /* * Return nonzero if the given files have approximately the same * duration, otherwise zero. * * Up to 10 ms difference is allowed. */ extern int sndfile_same_duration(Sndfile *a, Sndfile *b); #endif abx-0.2.1/src/abx-96.png0000664000175000017500000000445115213330635010257 PNG  IHDR``w8bKGDIDATxgEw,XxφFQ5b4H%aEM((Q E8we73;޷͗w̙)gx<x56 ="3\Y7̶g=c-&M1t2Z4]H9k]oD ,8-nc1A\M;y + ,Ki \<`AV;Ք}qJ_v`*p RQgF}_ ϘaX7}lpWOB`yQVlmfDt&#o5<<(2"{&5Am`g45]w&W Ќ4qyɚU {א+iwepCo["M*뤘.XH^*w7! 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TR)R,&P.t*X H!{[^+\趢vX (PW*V@9kWtob8&zN= X@#fջ%qg9N@LJձ3b~N 7=UUfC?/-> o]QY ܅l]9'F$4kJ_vc;DZvvbL:GH+E@F6NUySp!\m:))y CF6_Us7MHElWj)^ .*jZi( ۪"Fdw)^x<x<-0}~IENDB`abx-0.2.1/src/abx-64.png0000664000175000017500000000300415213330635010243 PNG  IHDR@@iqbKGDIDATxhU?\L-sQajI&QCQ"XYFIQ!OFE?qJ( f+ ҖZnNx=yw}=9y;H A N[[<<LkV@-P>v)`Ȳ-.p榅D(3}Vx'@c^*<؇7VKG*i,y~#diZ_%Y0 kˀM^0Y)^hXg2q+OAvb)d(g]>Ϻ Yٰ^`&p`K!3o0U C֘2nLrn`&kI_@u'"x* J (`j$-\bc1hA3 |$JDz$zKM{.EeHuy+30EGL: ۳%YooHd}B-p Ep%3'_FH*Si3x+jAHָL>h(aMZ$t*ώ4f3"k|JT` Y_6 j2(}h}pDbK&f홈璙kh4 ژ,ugbh졙`l$o] *X).rJ@Σ[d j}HA`AQsbtQ9* ^ C{|%Y{[E 5H< 9GF$8- mNK^CJ_ YBs "f'$FЈlj9~ BHR+9byʕ@[_,Kpca h[ V@VUh+?#w*R^n[\p WB0b@\ȧ5`_puڳfX]Q0<`Mu)%+O ˜BNi#a>y)bRyN# 7z >#աKϕWVYA\ZAU#Ӑd5|yMeȱw9RsX?LT#eRzmE ޅ$:ېCuJ A NWN#4܀IENDB`abx-0.2.1/src/mathlib.h0000644000175000017500000000206614757171255010347 /* mathlib.h - library of mathematical routines * * Copyright 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ /* * Return the one-sided p-value for binomial test with k successes * in n trials, with hypothesized success probability 0.5. */ double p_value(int k, int n); /* * Return the cumulative distribution function value F(k) for binomial * distribution Bin(n, p). */ double cdf_binomial(int k, int n, double p); abx-0.2.1/src/newtestwin.c0000644000175000017500000001423315052617726011125 /* newtestwin.c - window for creating a new test * * Copyright 2010, 2016, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "gtkui.h" static GtkWidget *window; static GtkWidget *main_box; static GtkWidget *first_file_selector; static GtkWidget *second_file_selector; static GtkWidget *first_file_box; static GtkWidget *second_file_box; static GtkWidget *file_box; static GtkAdjustment *adjustment; static GtkWidget *spinner; static GtkWidget *spinner_box; static GtkWidget *ok; static GtkWidget *cancel; static GtkWidget *button_box; /* * Try to initialize a new test. * * Destroy window if test setup was successful. Otherwise display * error dialog. */ static void init_new_test(void) { gchar *a = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(first_file_selector)); gchar *b = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(second_file_selector)); if (a == NULL) { error_dialog(window, "Failed to initialize a test", "You have not chosen sample file A."); goto out; } if (b == NULL) { error_dialog(window, "Failed to initialize a test", "You have not chosen sample file B."); goto out; } if (set_up_test(a, b, gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(spinner)), window) == 0) { gtk_widget_destroy(window); reset_test_widgets(); } out: g_free(a); g_free(b); } /* * Handle window destroy signal. */ static void destroy_event_handler(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); window = NULL; } /* * Handle button clicks. */ static void button_clicked(GtkWidget *button, gpointer data) { (void)(data); if (button == cancel) { gtk_widget_destroy(window); } else if (button == ok) { init_new_test(); } } void show_new_test_window(GtkWindow *parent) { GtkWidget *sample_a_label = gtk_label_new_with_mnemonic("Sample _A:"); GtkWidget *sample_b_label = gtk_label_new_with_mnemonic("Sample _B:"); GtkWidget *trials_label = (gtk_label_new_with_mnemonic ("Number of _trials:")); /* create filename boxes and selector */ first_file_selector = (gtk_file_chooser_button_new ("Choose audio sample A", GTK_FILE_CHOOSER_ACTION_OPEN)); second_file_selector = (gtk_file_chooser_button_new ("Choose audio sample B", GTK_FILE_CHOOSER_ACTION_OPEN)); gtk_label_set_mnemonic_widget(GTK_LABEL(sample_a_label), first_file_selector); gtk_label_set_mnemonic_widget(GTK_LABEL(sample_b_label), second_file_selector); first_file_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); gtk_box_pack_start(GTK_BOX(first_file_box), sample_a_label, FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(first_file_box), GTK_WIDGET(first_file_selector), FALSE, FALSE, 0); second_file_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); gtk_box_pack_start(GTK_BOX(second_file_box), sample_b_label, FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(second_file_box), second_file_selector, FALSE, FALSE, 0); file_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10); gtk_box_pack_start(GTK_BOX(file_box), first_file_box, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(file_box), second_file_box, TRUE, TRUE, 0); /* trials */ adjustment = gtk_adjustment_new(16, 1, 50, 1.0, 10.0, 0); spinner = gtk_spin_button_new(adjustment, 1, 0); gtk_label_set_mnemonic_widget(GTK_LABEL(trials_label), spinner); spinner_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); gtk_box_pack_start(GTK_BOX(spinner_box), trials_label, FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(spinner_box), spinner, FALSE, FALSE, 0); /* buttons */ ok = gtk_button_new_with_mnemonic("_OK"); cancel = gtk_button_new_with_mnemonic("_Cancel"); button_box = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL); gtk_button_box_set_layout(GTK_BUTTON_BOX(button_box), GTK_BUTTONBOX_CENTER); gtk_box_set_spacing(GTK_BOX(button_box), 10); gtk_container_add(GTK_CONTAINER(button_box), ok); gtk_container_add(GTK_CONTAINER(button_box), cancel); g_signal_connect(ok, "clicked", G_CALLBACK(button_clicked), NULL); g_signal_connect(cancel, "clicked", G_CALLBACK(button_clicked), NULL); /* main window */ g_assert(window == NULL); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_destroy_with_parent(GTK_WINDOW(window), TRUE); gtk_window_set_transient_for(GTK_WINDOW(window), parent); gtk_window_set_modal(GTK_WINDOW(window), TRUE); gtk_window_set_title(GTK_WINDOW(window), "New test"); main_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 20); gtk_container_set_border_width(GTK_CONTAINER(main_box), 10); gtk_box_pack_start(GTK_BOX(main_box), file_box, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(main_box), spinner_box, TRUE, FALSE, 0); gtk_box_pack_start(GTK_BOX(main_box), button_box, FALSE, FALSE, 0); g_signal_connect(window, "destroy", G_CALLBACK(destroy_event_handler), NULL); gtk_container_add(GTK_CONTAINER(window), main_box); gtk_window_set_default_size(GTK_WINDOW(window), 500, 100); gtk_widget_show_all(window); } abx-0.2.1/src/soundfile.c0000644000175000017500000000616315051141662010677 /* soundfile.c - low level sound file I/O implementation * * Based on libsndfile (http://www.mega-nerd.com/libsndfile/). * * Copyright 2010, 2016, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "soundfile.h" #include #include #include #include #include struct Sndfile { SNDFILE *sffile; Sndfile_metadata metadata; }; const char *sndfile_error = NULL; Sndfile * sndfile_open(const char *filename) { g_assert(filename); g_debug("resolving realpath for %s", filename); char *absname = realpath(filename, NULL); if (!absname) { sndfile_error = strerror(errno); return NULL; } g_debug("opening sound file %s", absname); SF_INFO sfinfo; sfinfo.format = 0; SNDFILE *sffile = sf_open(absname, SFM_READ, &sfinfo); if (!sffile) { sndfile_error = sf_strerror(NULL); free(absname); return NULL; } Sndfile *sndfile = g_malloc(sizeof(Sndfile)); sndfile->sffile = sffile; sndfile->metadata.filename = g_strdup(filename); sndfile->metadata.rate = sfinfo.samplerate; sndfile->metadata.channels = sfinfo.channels; sndfile->metadata.frames = sfinfo.frames; sndfile->metadata.duration = (1.0 * sndfile->metadata.frames / sndfile->metadata.rate); free(absname); return sndfile; } int sndfile_close(Sndfile *sndfile) { g_assert(sndfile); g_debug("closing sound file %s", sndfile->metadata.filename); int rv = sf_close(sndfile->sffile); if (rv != 0) sndfile_error = sf_error_number(rv); g_free(sndfile->metadata.filename); g_free(sndfile); return rv; } Sndfile_metadata sndfile_get_metadata(Sndfile *sndfile) { g_assert(sndfile); return sndfile->metadata; } double sndfile_seek(Sndfile *sndfile, double offset, int whence) { g_assert(sndfile); sf_count_t frames = sndfile->metadata.rate * offset; g_debug("seeking to frame %ld / %ld", frames, sndfile->metadata.frames); sf_count_t loc = sf_seek(sndfile->sffile, frames, whence); if (loc != -1) loc = 1.0 * loc / sndfile->metadata.rate; else sndfile_error = sf_strerror(sndfile->sffile); return loc; } long sndfile_read(Sndfile *sndfile, float *buf, long nframes) { g_assert(sndfile && buf); return sf_readf_float(sndfile->sffile, buf, nframes); } int sndfile_same_duration(Sndfile *a, Sndfile *b) { g_assert(a && b); return fabs(a->metadata.duration - b->metadata.duration) <= 0.01; } abx-0.2.1/src/test.c0000644000175000017500000000544314757171255007703 /* test.c - ABX test implementation * * Copyright 2010, 2016, 2024 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "test.h" #include "mathlib.h" #include /* * Ongoing test structure. */ typedef struct { int isvalid; /* nonzero if test is valid */ int ntrials; /* number of trials, must be greater than zero */ Test_answer *answers; /* correct answers array with ntrials elements */ Test_answer *guesses; /* guesses array with ntrials elements */ } Test; static Test current_test = { 0, -1, NULL, NULL }; int test_init(int ntrials) { if (ntrials == 0) return -1; test_close(); current_test.guesses = g_malloc(ntrials * sizeof(Test_answer)); current_test.answers = g_malloc(ntrials * sizeof(Test_answer)); for (int i = 0; i < ntrials; i++) { if (g_random_boolean() == TRUE) current_test.answers[i] = TEST_SAMPLE_A; else current_test.answers[i] = TEST_SAMPLE_B; current_test.guesses[i] = TEST_SAMPLE_NA; } current_test.ntrials = ntrials; current_test.isvalid = 1; return 0; } void test_close(void) { g_free(current_test.guesses); g_free(current_test.answers); current_test.answers = current_test.guesses = NULL; current_test.ntrials = -1; current_test.isvalid = 0; } Test_answer test_get_guess(int t) { if (current_test.isvalid && t >= 0 && t < current_test.ntrials) { return current_test.guesses[t]; } else return -1; } Test_answer test_get_answer(int t) { if (current_test.isvalid && t >= 0 && t < current_test.ntrials) { return current_test.answers[t]; } else return -1; } int test_set_guess(int t, Test_answer ans) { if (current_test.isvalid && t >= 0 && t < current_test.ntrials) { current_test.guesses[t] = ans; return 0; } else return -1; } int test_get_ntrials(void) { if (current_test.isvalid) return current_test.ntrials; else return -1; } double test_get_pvalue(void) { int k = 0; /* the number of correct guesses */ int n = test_get_ntrials(); for (int i = 0; i < n; i++) { if (test_get_answer(i) == test_get_guess(i)) k++; } return p_value(k, n); } abx-0.2.1/src/gtkui.h0000644000175000017500000000516515052617665010054 /* gtkui.h - GTK UI function prototypes * * Copyright 2010, 2016, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #ifndef ABX_GTK_UI_H #define ABX_GTK_UI_H #include /* Current test trial (zero-based), or -1 if there is no test in * progress. */ extern int current_trial; /* List of icon pixmaps. */ extern GList *icons; /* * Initialize and pass control to GTK. * * Initialize GTK, the audio subsystem, and a new test (if specified * on the command line). After GTK is finished, clean up resources * and return EXIT_SUCCESS. In case of error return EXIT_FAILURE. */ extern int gtk_ui_main(int argc, char *argv[]); /* * Display a simple error dialog with the given parent window and * error message. */ extern void error_dialog(GtkWidget *parent_win, const gchar *title, const gchar *message); /* * Display a simple warning dialog with the given parent window and * warning message. */ extern void warning_dialog(GtkWidget *parent_win, const gchar *title, const gchar *message); /* * Set up a new test and playback for the given samples. In case of * errors, show an error dialog with the given parent window. * * Return zero on success, nonzero otherwise. */ extern int set_up_test(const gchar *a, const gchar *b, int ntrials, GtkWidget *parent); /* * Discard the current test. */ extern void discard_test(void); /* * Show the main window, creating it if necessary. */ extern void show_main_window(void); /* * Update the main window contents to the current test progress. */ extern void update_main_window(void); /* * Reset test parameters in the main window. This function is usually * called after a new test has been successfully initialized. */ extern void reset_test_widgets(void); /* * Create and show a new test window. */ extern void show_new_test_window(GtkWindow *parent); /* * Create and show a result window. */ extern void show_result_window(GtkWindow *parent); #endif abx-0.2.1/src/resultwin.c0000644000175000017500000001152415052617707010751 /* resultwin.c - window for displaying test results * * Copyright 2010, 2013, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "test.h" #include "gtkui.h" static GtkWidget *answers_box; static GtkWidget *close_box; static GtkWidget *guesses_box; static GtkWidget *main_box; static GtkWidget *ncorr_box; static GtkWidget *pval_box; static GtkWidget *window; static GtkWidget *close_button; static GtkWidget *answers; static GtkWidget *guesses; /* * Handle window destroy signal. */ static void destroy_event_handler(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); window = NULL; discard_test(); current_trial = -1; update_main_window(); } void show_result_window(GtkWindow *parent) { g_assert(window == NULL); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_destroy_with_parent(GTK_WINDOW(window), TRUE); gtk_window_set_transient_for(GTK_WINDOW(window), parent); gtk_window_set_modal(GTK_WINDOW(window), TRUE); gtk_window_set_title(GTK_WINDOW(window), "Test results"); g_signal_connect(window, "destroy", G_CALLBACK(destroy_event_handler), NULL); close_button = gtk_button_new_with_mnemonic("_Close"); g_signal_connect_swapped(close_button, "clicked", G_CALLBACK(gtk_widget_destroy), window); /* build decision strings */ GString *as = g_string_new(test_get_answer(0) == TEST_SAMPLE_A ? "A" : "B"); GString *gs = g_string_new(test_get_guess(0) == TEST_SAMPLE_A ? "A" : "B"); int ncorr = test_get_answer(0) == test_get_guess(0) ? 1 : 0; for (int i = 1; i < test_get_ntrials(); i++) { g_string_append(as, test_get_answer(i) == TEST_SAMPLE_A ? " A" : " B"); g_string_append(gs, test_get_guess(i) == TEST_SAMPLE_A ? " A" : " B"); if (test_get_answer(i) == test_get_guess(i)) ncorr++; } g_string_append(as, ""); g_string_append(gs, ""); answers = gtk_label_new(NULL); gtk_label_set_markup(GTK_LABEL (answers), as->str); guesses = gtk_label_new(NULL); gtk_label_set_markup(GTK_LABEL (guesses), gs->str); g_string_free(as, TRUE); g_string_free(gs, TRUE); answers_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); guesses_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); ncorr_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); pval_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); close_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); gtk_box_pack_start(GTK_BOX(answers_box), gtk_label_new("Correct decisions:"), FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(answers_box), answers, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(guesses_box), gtk_label_new("Your decisions:"), FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(guesses_box), guesses, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(ncorr_box), gtk_label_new("Number of correct decisions:"), FALSE, FALSE, 0); gchar *cs = g_strdup_printf("%d", ncorr); gtk_box_pack_end(GTK_BOX(ncorr_box), gtk_label_new(cs), FALSE, FALSE, 0); g_free(cs); gtk_box_pack_start(GTK_BOX(pval_box), gtk_label_new("p-value:"), FALSE, FALSE, 0); gchar *pvals = g_strdup_printf("%.3g", test_get_pvalue()); gtk_box_pack_end(GTK_BOX(pval_box), gtk_label_new(pvals), FALSE, FALSE, 0); g_free(pvals); gtk_box_pack_start(GTK_BOX(close_box), close_button, TRUE, FALSE, 0); main_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10); gtk_container_set_border_width(GTK_CONTAINER(main_box), 10); gtk_box_pack_start(GTK_BOX(main_box), answers_box, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(main_box), guesses_box, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(main_box), ncorr_box, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(main_box), pval_box, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(main_box), close_box, TRUE, TRUE, 0); gtk_container_add(GTK_CONTAINER(window), main_box); gtk_widget_show_all(window); } abx-0.2.1/src/abx-32.png0000664000175000017500000000142215213330635010240 PNG  IHDR szzbKGDIDATXOWUόi%dN$"T4("A%V6aD w-\"! EBB+e,4F+4<03/<.{{=>n?F$k17|^t4܋x w#Ѫh:؎˕Aq+#xj;Z.e%%+8Op(-[Iw4ٶBIދS~ط pxN{bNǥFJ"FŭX/+lq ȅFt,RŷeO9; ~D^gw1±Խ<"վmEQDBj $xq"Z؊WfEil7>OƔ=$Nנ37 & \H2rLJt!Ve?T 4OԕxL' p(L LDžI|T2Ø%BWq : RwMX+b7hEw =9"N38".[(5AމIwN@N7(oQe>$V0\˰.[sm\3A=yɫkYlrұ>r0fo}S@5:vTӠ_yQvfxwMU׌ %Fa׵WIC,8Ox1UJDoOX&crx|Wj'r_M/ԁ|IENDB`abx-0.2.1/src/abx-80.png0000664000175000017500000000357315213330635010254 PNG  IHDRPPbKGD0IDATxklEBk+V(>D*U# IW">A( FjbQD H@DEBG<-g7]33{^_2ޙgϝs )))))))))푂@LNP\*u o,uY ALͲ aniAz营;tt)۟G5νj@ pn ,_{g=mr6J D[^QIj:5shub?.+>+~ 2QHi}r&`DG=mJqHmq ẓ53+P< .:`8w@۽q uzZtd+%VW9K*th"{=t)n ^V7Up =?p 8 Xw{um6d%糭Rqaslܴ0.J eC(D9Ip(O,ny1ieCGjŵa],FK4uUy8IC.Z3\ChK0QR*4_!@^5ȳx_@#Qԡ7t|Wq`u[,ɾ:*|JͶ3C؇^:b&2omRߤd;:d4tcF DIFQx")anAz!;k=-ӑ$IHq6w (upLd5xR< kLr*:6")/[fk'GbĤ0B7`Fq7'8b?j"πq07U$l ~thO ܏m60ړKm̀ƴ7vlO,FGh{ Wye1dGǐ;ON;)ւ|;*GM2So=92ʥ6aB,/Op>p299ϜlfĈA#h~t lh)r7Fv1;#{r{/'B>:8B~xgyR̀{/!5)Wmր*-EB= V@V1au;<2`d_oE\9n(Br{/Ӥ$1)IENDB`abx-0.2.1/src/player.c0000664000175000017500000005221415213320533010177 /* player.c - low level audio file player implementation * * This version uses PortAudio (http://www.portaudio.com) for audio * output. * * Copyright 2010, 2016, 2024, 2026 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "player.h" #include "audio.h" #include #include #include #include const char *player_error; /* Ring buffer size in milliseconds. The actual buffer size in bytes * depends on sample rate and number of channels. */ static const int BUFFER_SIZE_IN_MS = 1000; /* Minimum acceptable fill level for the buffer. This is intended to * keep PortAudio stream callback from signaling spaces all the time. * MIN_BUFFER_LEVEL must be between 0 and 1, though not too close to * zero to prevent buffer underruns. */ static const float MIN_BUFFER_LEVEL = 0.5; struct Player { /* Ring buffer for samples. We always keep one vacant slot, so * that it is relatively easy to distinguish between empty (in == * out) and full (in + 1 == out) buffer. */ struct { float *begin; float *end; /* Input pointer for reader. */ float *in; /* Output pointer fore stream callback. */ float *out; /* Buffer size in bytes. */ size_t size; /* Is the buffer fill below MIN_BUFFER_LEVEL? This is also * used to signal buffer pre-fill before starting playback. */ int space; GCond space_cond; GMutex space_mutex; } buffer; /* Reader thread data. */ struct { GThread *thread; /* If nonzero, thread should stop as soon as possible. */ int stop; /* Has reader hit end of file? */ gint eof; } reader; /* Sample file handle. */ Sndfile *sndfile; /* Sample metadata. */ Sndfile_metadata metadata; /* PortAudio output device. */ PaDeviceIndex device; /* Output latency in milliseconds. */ int latency; /* PortAudio output stream. */ PaStream *stream; /* Is the playback on? */ int playing; /* Most recent seek location, in seconds. */ double origin; /* Frames played after the most recent seek. */ int nplayed; /* Current playback location, in seconds. */ double location; }; static int init_stream(Player *player, Sndfile *sf); static int stream_callback(const void *input, void *output, unsigned long nframes, const PaStreamCallbackTimeInfo *timeinfo, PaStreamCallbackFlags statusflags, void *userdata); static void stream_finished_callback(void *userdata); static size_t buffer_fill(Player *player); static void start_reader(Player *player); static void stop_reader(Player *player); static void *reader_main(void *arg); static int reader_prefill_buffer(Player *player); static int reader_fill_buffer(Player *player); static int read_frames(Player *player, size_t nframes); Player * player_new(int outdev, int latency) { /* Scan for the default output device, or verify that the given * output device exists. */ const Audio_device *devices; int ndevices = audio_get_outputs(&devices); if (ndevices == -1) return NULL; if (outdev == -1) { for (int i = 0; i < ndevices; i++) { if (devices[i].sysdefault) { outdev = i; break; } } if (outdev == -1) { player_error = "No default output device found"; return NULL; } } else { if (outdev >= ndevices) { player_error = "Invalid output device"; return NULL; } } Player *player = g_malloc(sizeof(Player)); player->buffer.begin = NULL; player->buffer.end = NULL; player->buffer.in = NULL; player->buffer.out = NULL; player->buffer.size = 0; g_cond_init(&player->buffer.space_cond); g_mutex_init(&player->buffer.space_mutex); player->reader.thread = NULL; player->sndfile = NULL; player->device = outdev; /* Get the default latency or use the configured one. */ if (latency < 0) { latency = devices[outdev].latency; if (latency > 0) { g_debug("using the default output latency %d ms", latency); player->latency = latency; } else { g_warning("failed to fetch the default output latency, " "falling back to 50 ms"); player->latency = 50; } } else { g_debug("using the configured latency %d ms", latency); player->latency = latency; } player->stream = NULL; g_debug("player initialized"); return player; } void player_destroy(Player *player) { g_assert(player); g_debug("deleting player"); g_free(player->buffer.begin); g_cond_clear(&player->buffer.space_cond); g_mutex_clear(&player->buffer.space_mutex); g_free(player); } int player_load(Player *player, Sndfile *sf) { g_assert(player && sf); if (player->sndfile) { player_error = "Player already loaded"; return 1; } g_debug("loading file %p to player", (void *) sf); player->sndfile = sf; player->metadata = sndfile_get_metadata(sf); if (init_stream(player, sf) != 0) { player->sndfile = NULL; return 2; } /* Calculate buffer size and align it to the frame size. */ size_t frame_size = player->metadata.channels * sizeof(float); size_t nbytes = (size_t) (BUFFER_SIZE_IN_MS * (player->metadata.rate / 1000.0) * frame_size + 1); nbytes -= nbytes % frame_size; if (player->buffer.begin == NULL) { player->buffer.begin = (float *) g_malloc(nbytes); g_debug("allocated %lu bytes (%lu frames) for sample buffer", nbytes, nbytes / frame_size); } else if (player->buffer.size < nbytes) { player->buffer.begin = (float *) g_realloc(player->buffer.begin, nbytes); g_debug("allocated %lu bytes (%lu frames) for sample buffer", nbytes, nbytes / frame_size); } player->buffer.size = nbytes; player->buffer.end = (player->buffer.begin + (nbytes / sizeof(float))); player->playing = 0; player->origin = 0; player->nplayed = 0; player->location = 0; return 0; } int player_eject(Player *player) { g_assert(player); if (!player_loaded(player)) { player_error = "Player not loaded"; return 1; } g_debug("ejecting player"); if (player_stop(player) != 0) { return 2; } PaError rv = Pa_CloseStream(player->stream); if (rv != paNoError) { player_error = Pa_GetErrorText(rv); return 3; } player->stream = NULL; player->sndfile = NULL; return 0; } Sndfile * player_loaded(Player *player) { g_assert(player); return player->sndfile; } int player_start(Player *player) { g_assert(player); if (!player_loaded(player)) { player_error = "Player not loaded"; return 1; } /* Start a new reader thread and wait for it to fill the playback * buffer. After that start the PortAudio stream. */ g_debug("starting reader"); start_reader(player); g_mutex_lock(&player->buffer.space_mutex); while (player->buffer.space) { g_debug("waiting for reader to fill up buffer"); g_cond_wait(&player->buffer.space_cond, &player->buffer.space_mutex); } g_mutex_unlock(&player->buffer.space_mutex); g_debug("buffer filled, starting playback stream"); PaError rv = Pa_StartStream(player->stream); if (rv != paNoError) { player_error = Pa_GetErrorText(rv); player->playing = 0; stop_reader(player); return 1; } g_debug("playing"); player->playing = 1; return 0; } int player_stop(Player *player) { g_assert(player); if (!player_loaded(player)) { player_error = "Player not loaded"; return 1; } PaError rv = Pa_IsStreamStopped(player->stream); if (rv == 1) return 0; /* Stream already stopped */ if (rv < 0) { /* PortAudio error. */ player_error = Pa_GetErrorText(rv); return 2; } g_assert(rv == 0); g_debug("stopping player"); /* Pa_AbortStream will cause a call to stream_finished_callback, * which will stop the reader and update the playback flag. */ rv = Pa_AbortStream(player->stream); if (rv != paNoError) { player_error = Pa_GetErrorText(rv); return 3; } return 0; } int player_playing(Player *player) { g_assert(player); if (!player_loaded(player)) return 0; else return player->playing; } double player_seek(Player *player, double pos) { g_assert(player); if (!player_loaded(player)) { player_error = "Player not loaded"; return -1; } g_debug("seeking to %.2f seconds", pos); int was_playing = 0; if (player->playing) { was_playing = 1; if (player_stop(player) != 0) return -1; } if (pos < 0) pos = 0; if (pos > player->metadata.duration) pos = player->metadata.duration; if (sndfile_seek(player->sndfile, pos, SEEK_SET) == -1) { player_error = sndfile_error; return -1; } player->location = pos; player->origin = pos; player->nplayed = 0; player->buffer.in = player->buffer.out = player->buffer.begin; g_debug("seek done"); if (was_playing) { g_debug("resuming playback"); if (player_start(player) != 0) return -1; } return pos; } double player_tell(Player *player) { g_assert(player); if (!player_loaded(player)) return -1; else return player->location; } /* * Initialize PortAudio stream for playing sample file sf. * * Return zero on success, nonzero otherwise. */ static int init_stream(Player *player, Sndfile *sf) { g_assert(player && sf); g_debug("initializing playback stream"); PaStreamParameters strparams; player->metadata = sndfile_get_metadata(sf); memset(&strparams, 0, sizeof(PaStreamParameters)); strparams.channelCount = player->metadata.channels; strparams.device = player->device; strparams.sampleFormat = paFloat32; strparams.suggestedLatency = player->latency / 1000.0; strparams.hostApiSpecificStreamInfo = NULL; PaError rv = Pa_OpenStream(&player->stream, NULL, &strparams, player->metadata.rate, 0, paNoFlag, stream_callback, player); if (rv != paNoError) { player_error = Pa_GetErrorText(rv); player->stream = NULL; return 1; } rv = Pa_SetStreamFinishedCallback(player->stream, stream_finished_callback); if (rv != paNoError) { player_error = Pa_GetErrorText(rv); rv = Pa_CloseStream(player->stream); if (rv != paNoError) { g_warning("failed to close playback stream: %s", Pa_GetErrorText(rv)); } player->stream = NULL; return 2; } return 0; } /* * Stream callback for PortAudio. * * Fill the audio output buffer from the ring buffer, and signal space * so that the reader thread can fill the ring buffer. * * This is the consumer part of producer-consumer model. * * Return PaContinue so that PortAudio will keep on playback, or * PaComplete if EOF has been reached. */ static int stream_callback(const void *input, void *output, unsigned long nframes, const PaStreamCallbackTimeInfo *timeinfo, PaStreamCallbackFlags statusflags, void *userdata) { (void)(input); (void)(timeinfo); (void)(statusflags); Player *player = (Player *) userdata; int eof = 0; int nchannels = player->metadata.channels; float *outbuf = (float *) output; unsigned long nplayed = 0; while (nframes > 0) { if (player->buffer.out == player->buffer.end) { /* rewind the ring buffer */ player->buffer.out = player->buffer.begin; } if (player->buffer.out == player->buffer.in) { /* Buffer underrun or EOF. */ if (!eof) { gint reader_eof = g_atomic_int_get(&player->reader.eof); if (!reader_eof) { g_warning("player: buffer underrun"); } else { g_debug("player: eof"); eof = 1; } } while (nframes > 0) { /* Output silence. */ for (int i = 0; i < nchannels; i++) { *outbuf++ = 0; } nframes--; } } else { /* Output samples from the buffer. */ for (int i = 0; i < nchannels; i++) { *outbuf++ = *player->buffer.out++; } nframes--; nplayed++; } } /* Update the current playback location. */ player->nplayed += nplayed; PaTime latency = timeinfo->outputBufferDacTime - timeinfo->currentTime; double offset = 1.0 * player->nplayed / player->metadata.rate - latency; if (offset > 0) player->location = player->origin + offset; else player->location = player->origin; /* Signal space if the buffer is empty enough. */ if (g_mutex_trylock(&player->buffer.space_mutex)) { if (buffer_fill(player) < MIN_BUFFER_LEVEL * player->buffer.size) { player->buffer.space = 1; g_cond_signal(&player->buffer.space_cond); } g_mutex_unlock(&player->buffer.space_mutex); } if (!eof) return paContinue; else return paComplete; } /* * Stream finished callback for PortAudio. * * Stop the reader and mark playback as stopped. */ static void stream_finished_callback(void *userdata) { Player *player = (Player *) userdata; g_assert(player && player->playing); g_debug("stream finished"); player->playing = 0; stop_reader(player); g_debug("player stopped"); } /* * Return the current buffer fill in bytes. */ static size_t buffer_fill(Player *player) { g_assert(player); size_t nvacant; float *out = player->buffer.out; if (player->buffer.in == out) { return 0; } else if (player->buffer.in < out) { nvacant = out - player->buffer.in; } else { nvacant = player->buffer.end - player->buffer.in; nvacant += out - player->buffer.begin; } nvacant *= sizeof(float); g_assert(nvacant <= player->buffer.size); return player->buffer.size - nvacant; } /* * Start a new reader thread for the current sound file. * * Playback must be stopped, since this function resets the buffer. */ static void start_reader(Player *player) { g_assert(player->sndfile); g_assert(!player->playing); g_assert(player->reader.thread == NULL); /* Reset the buffer and start a new reader thread. */ player->buffer.in = player->buffer.out = player->buffer.begin; player->buffer.space = 1; player->reader.stop = 0; player->reader.eof = 0; player->reader.thread = g_thread_new("reader", reader_main, player); } /* * Terminate the reader thread. * * Playback must be stopped before calling this function. */ static void stop_reader(Player *player) { g_assert(!player->playing); if (player->reader.thread == NULL) { g_debug("reader not running"); return; } g_debug("telling reader to terminate"); g_mutex_lock(&player->buffer.space_mutex); player->reader.stop = 1; /* Signal the reader in case it is blocked. */ player->buffer.space = 1; g_cond_signal(&player->buffer.space_cond); g_mutex_unlock(&player->buffer.space_mutex); g_debug("waiting for reader to terminate"); g_thread_join(player->reader.thread); player->reader.thread = NULL; g_debug("reader has been terminated"); } /* * Reader thread. * * This thread implements the producer part of producer-consumer model * by reading blocks of audio data from the sound file into the ring * buffer. * * Some notes: * * - Locks and condition variables are used for synchronization. * * - A new reader is started after each seek operation. The reader * starts reading from the sought position. * * - The reader blocks if there is no free space in the buffer. It * then waits for a space signal from the playback stream callback * (consumer). * * - The reader reads from the file until EOF is hit, or until it has * been explicitly requested to terminate by stop_reader. * * - The reader signals space after the buffer has been filled for the * first time. This signifies that playback can start. * * Return always NULL. */ static void * reader_main(void *arg) { g_debug("reader: starting"); Player *player = (Player *) arg; int eof = 0; int prefill = 1; while (!eof) { /* Wait for space. */ g_mutex_lock(&player->buffer.space_mutex); while (!player->buffer.space && !player->reader.stop) { /* g_debug("reader: waiting for space"); */ g_cond_wait(&player->buffer.space_cond, &player->buffer.space_mutex); } /* Check for stop request. */ if (player->reader.stop) { g_debug("reader: exiting"); g_mutex_unlock(&player->buffer.space_mutex); return NULL; } if (prefill) { eof = reader_prefill_buffer(player); prefill = 0; } else eof = reader_fill_buffer(player); /* The buffer has been filled. */ player->buffer.space = 0; g_mutex_unlock(&player->buffer.space_mutex); } g_debug("reader: exiting"); return NULL; } static int reader_prefill_buffer(Player *player) { g_assert(player->buffer.in == player->buffer.begin); g_assert(player->buffer.in == player->buffer.out); size_t frame_size = player->metadata.channels * sizeof(float); size_t prefill = (size_t) (MIN_BUFFER_LEVEL * player->buffer.size / frame_size); int eof = read_frames(player, prefill); g_debug("reader: signaling pre-fill"); g_cond_signal(&player->buffer.space_cond); return eof; } static int reader_fill_buffer(Player *player) { /* Take a snapshot of buffer out pointer, as the player thread * may adjust it concurrently. */ float *out = player->buffer.out; size_t nvacant; int eof = 0; if (player->buffer.in < out) { /* Read until buffer out pointer, but leave one vacant * slot. */ nvacant = ((out - player->buffer.in) / player->metadata.channels) - 1; if (nvacant > 0) eof = read_frames(player, nvacant); } else { /* It is safe to read until second to last slot. */ nvacant = ((player->buffer.end - player->buffer.in) / player->metadata.channels) - 1; if (out > player->buffer.begin) { /* Since there is at least one vacant slot in the * beginning of the buffer, it is safe to read to the * end of the buffer. */ nvacant++; } eof = read_frames(player, nvacant); if (player->buffer.in < out && !eof) { /* Fill the beginning of the buffer as well, if * possible. */ nvacant = ((out - player->buffer.in) / player->metadata.channels) - 1; if (nvacant > 0) eof = read_frames(player, nvacant); } } return eof; } /* * Read data from the loaded sound file. * * Read nframes frames into the player buffer. It is assumed that the * loaded sound file is already at the correct position (see * player_seek), and that the frames will fit into the buffer. * * Rewind the ring buffer if the buffer end is reached. * * Return nonzero if EOF was hit during reading, that is, less than * nframes frames were read. */ static int read_frames(Player *player, size_t nframes) { g_assert(player && nframes > 0); g_assert(player->buffer.in + nframes * player->metadata.channels <= player->buffer.end); size_t nread = sndfile_read(player->sndfile, player->buffer.in, nframes); player->buffer.in += (nread * player->metadata.channels); g_assert(player->buffer.in <= player->buffer.end); int eof = 0; if (nread != nframes) { /* EOF */ g_debug("reader: eof"); g_atomic_int_set(&player->reader.eof, 1); eof = 1; } if (player->buffer.in == player->buffer.end) { /* Rewind the ring buffer. */ player->buffer.in = player->buffer.begin; } return eof; } abx-0.2.1/src/abx-16.png0000664000175000017500000000060015213330635010237 PNG  IHDRabKGD5IDAT8O(Q^gʿ1(ec,f3cJY#)VRSVJʂ,Ƃ(+Լ^IDxO^S{9QR$phq0X^ XBG uxyd1I#NVb|e1(C0Ҫ8,K̳v4hhfql.؃!Ϩ"Ԇ'g)F7~ : zţg1[L?^_(f, (-$8g- G IRoJP-H#j%o7ݤ>}N IENDB`abx-0.2.1/src/abx-48.png0000664000175000017500000000217015213330635010250 PNG  IHDR00WbKGD-IDAThkUU_jidfe{VF , `+Iu #",2 {`$VP3}z=sιgb4Xpkk> aCOkCǠ##a9/&Ӏ xTPr.éO |p`o ՀgG^dzPÕ%'{]Q~<'g U]tld>Bܑ2p#nh>g:q6IV}$|C:Mr`wym?nR_RܫՇR^ ^;Lo8\N܍WRX|̠4 '&\px9XqꋐixGF-CfaXUEllB6xCHX931ؚ2j}h\/M\R{$r c'mەc _q\q`ܘ#g ~Lx✨3F8rHUm9lqhxLI͈g݆/q-H)<aF!,%ro`bJi  o2{*Q֤4YF|Y '{] >*gaº-8?@;>)yrf903n!D%e{aUW%85^-Tԯt&d[@PQ3nR=̾(" ]X-#[GW=˅ * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "mathlib.h" #include double p_value(int k, int n) { if (k == 0) return 1; /* p-value is trivially 1 */ /* use symmetry of Bin(n, 0.5) for improved numerical accuracy */ if (k < n / 2) { double F = cdf_binomial(k - 1, n, 0.5); return 1 - F; } else { double F = cdf_binomial(n - k, n, 0.5); return F; } } /* * Calculate cumulative distribution function value F(k) for binomial * distribution Bin(n, p). * * The algorithm is from Råde, Westergren: Mathematics Handbook, page * 426, 4th ed., 1998. Studentlitteratur, Lund. */ double cdf_binomial(int k, int n, double p) { if (k >= n) return 1; double f = pow((1 - p), n); /* f is the pf, init to f(0) */ double F = f; /* F is the cdf */ for (int x = 1; x <= k; x++) { f = (p / (1 - p)) * ((1.0 * n - x + 1) / x) * f; F += f; } return F; } abx-0.2.1/src/playback.c0000664000175000017500000001255315213320557010501 /* playback.c - high level audio playback implementation * * Copyright 2010, 2016, 2024, 2025, 2026 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "playback.h" #include "player.h" #include const char *playback_error; static Sndfile *sample_a; static Sndfile *sample_b; static Player *player; static Playback_state playback_state = { STOPPED, -1 }; int playback_init(int outdev, int latency) { g_debug("initializing playback: output device %d, latency %d", outdev, latency); player = player_new(outdev, latency); if (!player) { playback_error = player_error; return 1; } return 0; } void playback_close(void) { if (!player) return; g_debug("closing playback"); playback_stop(); player_destroy(player); } int playback_open_samples(const char *a, const char *b) { g_assert(sample_a == NULL); g_assert(sample_b == NULL); g_assert(a && b); g_debug("initializing sample playback for samples %s and %s", a, b); if (!(sample_a = sndfile_open(a))) { playback_error = sndfile_error; return 1; } if (!(sample_b = sndfile_open(b))) { playback_error = sndfile_error; playback_close_samples(); return 2; } if (player_load(player, sample_a) != 0 || player_eject(player) != 0) { playback_error = player_error; playback_close_samples(); return 4; } if (player_load(player, sample_b) != 0 || player_eject(player) != 0) { playback_error = player_error; playback_close_samples(); return 5; } if (!sndfile_same_duration(sample_a, sample_b)){ playback_error = NULL; return 3; } return 0; } void playback_close_samples(void) { if (sample_a == NULL && sample_b == NULL) return; g_debug("closing sample playback"); playback_stop(); playback_state.location = -1; if (sample_a && sndfile_close(sample_a) != 0) { g_warning("failed to close sample A: %s", sndfile_error); } if (sample_b && sndfile_close(sample_b) != 0) { g_warning("failed to close sample B: %s", sndfile_error); } sample_a = sample_b = NULL; } void playback_get_metadata(Sndfile_metadata *a, Sndfile_metadata *b) { g_assert(a && b); *a = sndfile_get_metadata(sample_a); *b = sndfile_get_metadata(sample_b); } Playback_state playback_get_state(void) { /* Player does not signal its state but has to be polled * instead. */ if (player_loaded(player)) { /* Check if player has reached the end. */ if (playback_state.playback == PLAYING && !player_playing(player)) { playback_state.playback = STOPPED; } playback_state.location = player_tell(player); } return playback_state; } int playback_start(int sample, double pos) { g_debug("start playback of sample %d from %f", sample, pos); Sndfile *sf; if (sample == 0) sf = sample_a; else sf = sample_b; Sndfile *loaded = player_loaded(player); /* Load the sample to the player. 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O6R P@9JX9IJE휓0c](,njRʟQ~,Gdj G; r >XB-nHp)˒[ k5m(/. nNYr71V@0?m}m3bkzM+/D"~?[\ Yn1nHּ.Ux VVG x zq3.EJ˺ZW\E A+VYh9MV[(d$OH\̫nk?soE1 Su;1%̽9[F綁~ bDA*i G +UA&QC IO)r?kBӔo7V`$Z^4#! 1BOr< o7ʲ͊WO@ t$סF\#1oLAT&GUD)__!O,^/Dӌ"IS#[_9&='n.?L Ǿ>v]3P9A{,"ifdKDnF\c@OM~ 'U͔V$B4D ,DR"u_O!ˡb(>O5ȚF7[0#O(v$7HBhO$no c77!{ nv553ip>~l+n@y- )+ XBS6(V"ܕQt,Q=W93tdДHճ eb+G"ǎGi؀%\?FPЎ"=me5 hu ynMT]zB B^fdWH,MTӡj hG{[\;ߛ1'-w_%Hv<8/DqMS]2\QmlTly/68!HuhGZ`;lz6aW}!24(v؞AX/~b@>1da{-e[C~`Ş+F„@[ȥ8$j).@f62u 2)` ֓LHvɃQ * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #ifndef ABX_PLAYBACK_H #define ABX_PLAYBACK_H #include "soundfile.h" /* Current playback state. */ typedef struct { enum { PLAYING, PAUSED, STOPPED } playback; double location; } Playback_state; /* Error string for the most recent error. */ extern const char *playback_error; /* * Initialize playback. * * This function must be called before any other playback functions. * Use output device index outdev (see get_output_devices) and the * given output latency. * * If output device is -1, use the default output device. * If latency is -1, use the default output device latency. * * Return 0 on success, nonzero otherwise. */ extern int playback_init(int outdev, int latency); /* * Close playback. * * Stop playback and free the allocated resources. */ extern void playback_close(void); /* * Initialize playback for sample files a and b. * * The samples must have equal duration, and the player must be able * to load both of them. In practice this means that the samples must * be in compatible format. * * This function must be called before calling playback_start or * playback_stop. * * Return * 0 on success * 1 if sample a could not be opened * 2 if sample b could not be opened * 3 if the samples have different duration * 4 if the player cannot load sample a * 5 if the player cannot load sample b */ extern int playback_open_samples(const char *a, const char *b); /* * Close the current samples and free the allocated resources. * * Stop playback if it is in progress. */ extern void playback_close_samples(void); /* * Fill the given metadata structures. */ extern void playback_get_metadata(Sndfile_metadata *a, Sndfile_metadata *b); /* * Return the current playback state. */ extern Playback_state playback_get_state(void); /* * Start playing sample from the given position (in seconds). * * sample must be either 0 (sample A) or nonzero (sample B). * * Return zero on success, nonzero otherwise. */ extern int playback_start(int sample, double pos); /* * Stop playback. * * Return zero on success, nonzero otherwise. */ extern int playback_stop(void); /* * Pause or resume playback. * * Return the playback state after change. */ extern Playback_state playback_pause_or_resume(void); /* * Reposition playback to the given position. * * Position is in seconds, measured from the beginning of the current * sample. If playback is in progress, it is continued from the new * position. */ extern void playback_seek(double pos); #endif abx-0.2.1/src/gtkui.c0000664000175000017500000002134515211344000010020 /* gtkui.c - GTK GUI implementation * * Copyright 2010, 2013, 2016, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "gtkui.h" #include "audio.h" #include "config.h" #include "playback.h" #include "test.h" #include #include int current_trial; GList *icons; /* Default number of test trials. */ static gint ntrials = 16; /* Default output device (use PortAudio default). */ static gint outdev = -1; /* Default latency (use PortAudio default). */ static gint latency = -1; /* Should we scan and list audio devices? */ static gboolean listdevs = FALSE; /* * Parse command line options. * * Exit the program with EXIT_FAILURE in case of errors. */ static void parse_options(int *argc, char **argv[]) { GOptionEntry entries[] = { { "num-trials", 'i', 0, G_OPTION_ARG_INT, &ntrials, "Do N trials", "N" }, { "audio-device", 'd', 0, G_OPTION_ARG_INT, &outdev, "Use PortAudio audio device ID", "ID" }, { "list-devices", 'D', 0, G_OPTION_ARG_NONE, &listdevs, "List PortAudio devices and exit", NULL }, { "latency", 'l', 0, G_OPTION_ARG_INT, &latency, "Set suggested output latency to L milliseconds", "L" }, G_OPTION_ENTRY_NULL }; GOptionContext *context = g_option_context_new("[SAMPLE-A SAMPLE-B]"); g_option_context_set_summary (context, "Test for audible differences in fidelity between " "two audio samples\nwith ABX test."); g_option_context_set_description (context, "Report bugs to " PACKAGE_BUGREPORT "."); g_option_context_add_main_entries(context, entries, NULL); g_option_context_add_group(context, gtk_get_option_group(TRUE)); GError *error = NULL; if (!g_option_context_parse(context, argc, argv, &error)) { fprintf(stderr, "Error: %s\n", error->message); g_option_context_free(context); exit(EXIT_FAILURE); } g_option_context_free(context); if (ntrials <= 0) { fprintf(stderr, "Error: the number of trials must be " "greater than zero\n"); exit(EXIT_FAILURE); } } /* * Show an error dialog for failed sample playback initialization. */ static void show_sample_playback_init_error(const gchar *sample, GtkWidget *parent) { gchar *basename = g_path_get_basename(sample); gchar *error = g_strdup_printf ("Cannot set up playback for sample %s.\n\n%s", basename, playback_error); error_dialog(parent, "Failed to set up a test", error); g_free(basename); g_free(error); } /* * Create pixmaps from window icon resources. */ static void create_icons() { g_assert(icons == NULL); const char *paths[] = {"/fi/kapsi/phintsan/abx/abx-16.png", "/fi/kapsi/phintsan/abx/abx-32.png", "/fi/kapsi/phintsan/abx/abx-48.png", "/fi/kapsi/phintsan/abx/abx-64.png", "/fi/kapsi/phintsan/abx/abx-80.png", "/fi/kapsi/phintsan/abx/abx-96.png", "/fi/kapsi/phintsan/abx/abx-128.png", "/fi/kapsi/phintsan/abx/abx-160.png"}; size_t npaths = sizeof(paths) / sizeof(paths[0]); for (int i = 0; i < npaths; i++) { GError *err = NULL; GdkPixbuf* icon = gdk_pixbuf_new_from_resource(paths[i], &err); if (!icon) { g_error("failed to read pixmap resource %s", paths[i]); } icons = g_list_append(icons, icon); } } int gtk_ui_main(int argc, char *argv[]) { int rv; parse_options(&argc, &argv); gtk_init(&argc, &argv); create_icons(); if (audio_init() != 0) { error_dialog(NULL, "Failed to initialize the audio subsystem", last_audio_error); rv = EXIT_FAILURE; goto out; } if (listdevs) { const Audio_device *devices; int ndevices = audio_get_outputs(&devices); if (ndevices == -1) { printf("No output devices found.\n"); rv = EXIT_FAILURE; goto out; } printf("Output devices:\n"); for (int i = 0; i < ndevices; i++) { printf("Device %2d: '%s', latency %d ms", devices[i].index, devices[i].name, devices[i].latency); if (devices[i].sysdefault) printf (" [default]\n"); else printf("\n"); } rv = EXIT_SUCCESS; goto out; } if (playback_init(outdev, latency) != 0) { error_dialog(NULL, "Failed to set up playback", playback_error); rv = EXIT_FAILURE; goto out; } if (argc == 2) { error_dialog(NULL, "Failed to set up a test", "Only one sample filename given in the command line.\n" "Two samples are required."); rv = EXIT_FAILURE; goto out; } else if (argc >= 3) { if (set_up_test(argv[1], argv[2], ntrials, NULL) == 0) { /* test initialization successful */ show_main_window(); reset_test_widgets(); } else { rv = EXIT_FAILURE; goto out; } } else { /* no current test available */ current_trial = -1; show_main_window(); update_main_window(); } gtk_main(); rv = EXIT_SUCCESS; out: /* Clean up. */ discard_test(); playback_close(); if (audio_close() != 0) { g_warning("failed to shut down audio subsystem: %s", playback_error); } return rv; } void error_dialog(GtkWidget *parent_win, const gchar *title, const gchar *message) { GtkWidget *errdialog; errdialog = gtk_message_dialog_new (GTK_WINDOW(parent_win), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", title); gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(errdialog), "%s", message); gtk_window_set_title(GTK_WINDOW(errdialog), "Error"); gtk_window_set_icon_list(GTK_WINDOW(errdialog), icons); gtk_dialog_run(GTK_DIALOG(errdialog)); gtk_widget_destroy(errdialog); } void warning_dialog(GtkWidget *parent_win, const gchar *title, const gchar *message) { GtkWidget *dialog; dialog = gtk_message_dialog_new (GTK_WINDOW(parent_win), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE, "%s", title); gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog), "%s", message); gtk_window_set_title(GTK_WINDOW(dialog), "Warning"); gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); } int set_up_test(const gchar *a, const gchar *b, int ntrials, GtkWidget *parent) { /* Discard the current test if one is in progress. */ discard_test(); /* Initialize playback for the samples. */ int res = playback_open_samples(a, b); if (res != 0) { switch (res) { case 1: case 2: { const gchar *sample = (res == 1 ? a : b); show_sample_playback_init_error(sample, parent); return res; } case 3: warning_dialog(parent, "Difference in sample durations", "The chosen samples have different durations. Both samples\n" "should have approximately the same duration.\n\n" "Continue the test only if you know what you are doing."); break; case 4: case 5: { const gchar *sample = (res == 4 ? a : b); show_sample_playback_init_error(sample, parent); return res; } } } /* Initialize a new test. */ if (test_init(ntrials) != 0) { error_dialog(parent, "Failed to set up a test", "Invalid number of trials."); playback_close_samples(); return 6; } return 0; } void discard_test(void) { playback_close_samples(); test_close(); } abx-0.2.1/src/Makefile.am0000664000175000017500000000163015213531106010567 bin_PROGRAMS = abx abx_SOURCES = abx.c audio.c audio.h gtkui.c gtkui.h mainwin.c \ mathlib.c mathlib.h newtestwin.c playback.c playback.h player.c \ player.h resultwin.c soundfile.c soundfile.h test.c test.h nodist_abx_SOURCES = resources.c resources.h BUILT_SOURCES = resources.c resources.h CLEANFILES = resources.c resources.h abx_CC = $(PTHREAD_CC) abx_CFLAGS = $(PTHREAD_CFLAGS) $(gtk_CFLAGS) $(portaudio_CFLAGS) \ $(sndfile_CFLAGS) abx_LDADD = $(PTHREAD_LIBS) $(gtk_LIBS) $(portaudio_LIBS) \ $(sndfile_LIBS) icons = abx-16.png abx-32.png abx-48.png abx-64.png abx-80.png \ abx-96.png abx-128.png abx-160.png dist_noinst_DATA = $(icons) abx.svg abx.gresource.xml resources.c: abx.gresource.xml $(icons) resources.h glib-compile-resources --target $@ --sourcedir $(srcdir) --generate-source $< resources.h: abx.gresource.xml $(icons) glib-compile-resources --target $@ --sourcedir $(srcdir) --generate-header $< abx-0.2.1/src/player.h0000664000175000017500000000603515213250716010211 /* player.h - low level audio player interface * * Copyright 2010, 2016, 2024 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #ifndef ABX_PLAYER_H #define ABX_PLAYER_H #include "soundfile.h" /* Player handle type. */ typedef struct Player Player; /* Error string for the most recent error. */ extern const char *player_error; /* * Create and return a new player. * * Use PortAudio device outdev for audio output, or scan for the * default host API output device if outdev is -1. * * latency is the desired output latency in milliseconds. If it is * negative, try to use the default (high) output latency from * PortAudio. If that fails, fall back to 50 ms. */ extern Player *player_new(int outdev, int latency); /* * Destroy player and free the allocated resources. * * Player must be empty (ejected) before calling this function. */ extern void player_destroy(Player *player); /* * Prepare player to play sound file sf. * * Player must be empty (ejected) before calling this function. * * Return zero on success, nonzero otherwise. */ extern int player_load(Player *player, Sndfile *sf); /* * Eject loaded sound file from player. * * If player is playing, stop the playback. * * Return zero on success, nonzero otherwise. */ extern int player_eject(Player *player); /* * Return the loaded sound file, or NULL if player is not loaded. */ extern Sndfile *player_loaded(Player *player); /* * Start playback. * * Return zero on success, nonzero otherwise. */ extern int player_start(Player *player); /* * Stop playback. * * Note that calling this function is always required before playback * can be restarted. This is true even if playback has stopped * already due to the end of the input file. * * Return zero on success, nonzero otherwise. */ extern int player_stop(Player *player); /* * Return nonzero if player is currently playing, or zero if it is * stopped. */ extern int player_playing(Player *player); /* * Seek player to position pos in seconds. * * If pos is less than zero or larger than the duration, clamp pos to * a valid position. If playback is in progress, continue it from the * new location. * * Return the new location if seek is successful, otherwise return -1. */ extern double player_seek(Player *player, double pos); /* * Return the current playback position in seconds, or -1 if player is * not loaded. */ extern double player_tell(Player *player); #endif abx-0.2.1/src/test.h0000644000175000017500000000410614757171255007703 /* test.h - ABX test interface * * Copyright 2010, 2016, 2024 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #ifndef ABX_TEST_H #define ABX_TEST_H typedef enum { TEST_SAMPLE_A, TEST_SAMPLE_B, TEST_SAMPLE_NA } Test_answer; /* * Initialize a new ABX test with the given number of trials. * * Return zero on success, nonzero otherwise. */ extern int test_init(int ntrials); /* * Close the current test. * * Release all test-related resources and mark the current test * invalid. */ extern void test_close(void); /* * Get the listener's guess for trial t (zero-based). * * Return * SAMPLE_A if the listener has guessed sample A, * SAMPLE_B if the listener has guessed sample B, * SAMPLE_NA if the listener has not yet guessed, or * -1 on error. */ extern Test_answer test_get_guess(int t); /* * Get the correct answer for trial t (zero-based). * * Return * SAMPLE_A if sample A is the correct answer, * SAMPLE_B if sample B is the correct answer, or * -1 on error. */ extern Test_answer test_get_answer(int t); /* * Set the guessed value to ans for trial t (zero-based). * * Return 0 on success, or nonzero on error. */ extern int test_set_guess(int t, Test_answer ans); /* * Return the number of test trials, or -1 if no test is in progress. */ extern int test_get_ntrials(void); /* * Return the p-value for the test statistic under the null * hypothesis. */ extern double test_get_pvalue(void); #endif abx-0.2.1/src/audio.c0000644000175000017500000000532014757171255010017 /* audio.c - interface to system audio * * This version uses PortAudio (http://www.portaudio.com). * * Copyright 2024 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "audio.h" #include #include const char *last_audio_error; /* Whether PortAudio has been initialized or not. */ static int initialized = 0; /* Available output devices. */ static Audio_device *devices = NULL; static int ndevices; int audio_init(void) { if (initialized) return 0; g_debug("initializing PortAudio"); PaError rv = Pa_Initialize(); if (rv != paNoError) { last_audio_error = Pa_GetErrorText(rv); return 1; } else { initialized = 1; return 0; } } int audio_close(void) { if (!initialized) return 0; g_debug("terminating PortAudio"); if (devices) { g_free(devices); devices = NULL; } PaError rv = Pa_Terminate(); if (rv != paNoError) { last_audio_error = Pa_GetErrorText(rv); return 1; } else { initialized = 0; return 0; } } int audio_get_outputs(const Audio_device **devs) { g_assert(initialized); PaDeviceIndex count = Pa_GetDeviceCount(); if (count < 0) { last_audio_error = Pa_GetErrorText(count); return -1; } if (!devices) { devices = g_malloc(count * sizeof(Audio_device)); ndevices = count; } else if (count != ndevices) { devices = g_realloc(devices, count * sizeof(Audio_device)); ndevices = count; } PaDeviceIndex default_dev = Pa_GetDefaultOutputDevice(); for (PaDeviceIndex i = 0; i < ndevices; i++) { const PaDeviceInfo *devinfo = Pa_GetDeviceInfo(i); if (!devinfo) { g_warning("failed to fetch device information " "for device %d", i); continue; } devices[i].index = i; devices[i].name = devinfo->name; devices[i].latency = 1000 * devinfo->defaultHighOutputLatency + 0.5; devices[i].sysdefault = (i == default_dev); } *devs = devices; return ndevices; } abx-0.2.1/src/abx.c0000644000175000017500000000154714757171255007477 /* abx.c - program for software-based ABX testing * * Copyright 2010, 2016, 2024 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "gtkui.h" int main(int argc, char *argv[]) { return gtk_ui_main(argc, argv); } abx-0.2.1/src/abx.svg0000664000175000017500000001463515213330632010040 abx-0.2.1/src/mainwin.c0000644000175000017500000010514615052617712010357 /* mainwin.c - main window * * Copyright 2010, 2013, 2016, 2024, 2025 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ #include "config.h" #include "gtkui.h" #include "playback.h" #include "soundfile.h" #include "test.h" #include static Sndfile_metadata metadata_a; /* Metadata for sample A. */ static Sndfile_metadata metadata_b; /* Metadata for sample B. */ static gchar *basename_a; /* Basename for file A. */ static gchar *basename_b; /* Basename for file B. */ static GtkWidget *main_window; /* How often we should update the location scale (in ms). Note that GTK can't handle very rapid updates. */ static const int UPDATE_LOCATION_TIMEOUT = 1000; /* Delay for doing an actual seek operation after a scrolling event * happens on the location scale. This is used to prevent bursts of * (redundant) seek requests, for example when the user rolls the * scroll wheel. */ static const int SEEK_DELAY_TIMEOUT = 250; /* Location scale increments. */ static const gdouble STEP_INCREMENT = 1.0; static const gdouble PAGE_INCREMENT = 10.0; /* Glib event source id for timers. */ static guint update_timeout_id; static guint seek_delay_id; static GtkWidget *new_test_menu_item; static GtkWidget *about_menu_item; static GtkWidget *quit_menu_item; static GtkWidget *status_bar; static gint play_context; static gint non_play_context; static GtkWidget *first_sample; static GtkWidget *second_sample; static GtkWidget *pause_button; static GtkWidget *test_sample; static GtkWidget *prev_marker; static GtkWidget *next_marker; static GtkAdjustment *adjustment; static GtkWidget *scale; static int is_user_seeking; static GtkWidget *markers; static GtkListStore *marker_list; static GtkWidget *add_marker; static GtkWidget *remove_marker; static GtkWidget *trial_label; static GtkWidget *meta_a_label; static GtkWidget *meta_b_label; static gboolean recurrent_update_location(gpointer data); static void delayed_seek(gpointer data); static void clear_status_bar(void); static GtkWidget *create_metadata_box(void); static GtkWidget *create_test_box(void); static GtkWidget *create_menu_bar(void); static void create_main_window(void); static void create_status_bar(void); static GtkWidget *create_icon_button(const gchar *icon, gchar *label); static GtkWidget *create_playback_box(void); static GtkWidget *create_marker_box(void); static void format_marker(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data); static gboolean delete_event_handler(GtkWidget *widget, gpointer data); static void destroy_event_handler(GtkWidget *widget, gpointer data); static void marker_activated(GtkTreeView *markers, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data); static gboolean key_pressed(GtkWidget *widget, GdkEvent *event, gpointer user_data); static void clear_marker_selection(void); static void rewind_button_clicked(GtkWidget *widget, gpointer data); static void pause_button_clicked(GtkWidget *widget, gpointer data); static void play_button_clicked(GtkWidget *widget, gpointer data); static void decide_button_clicked(GtkWidget *widget, gpointer data); static gboolean scale_button_pressed_or_released(GtkWidget *widget, GdkEventButton *event, gpointer data); static void adjust_scale(gdouble offset); static gboolean scale_scroll_action(GtkRange *range, GtkScrollType scroll, double value, gpointer data); static void add_marker_clicked(GtkWidget *widget, gpointer data); static void remove_marker_clicked(GtkWidget *widget, gpointer data); static void menu_item_clicked(GtkWidget *widget, gpointer data); static gboolean confirm(const gchar *message); static void show_about_dialog(void); static void decide_current_trial(void); void show_main_window(void) { if (!main_window) { create_main_window(); gtk_widget_show_all(main_window); } else { gtk_window_present(GTK_WINDOW(main_window)); } } void update_main_window(void) { static GString *label = NULL; static GString *meta_a = NULL; static GString *meta_b = NULL; if (!label) label = g_string_new(NULL); if (!meta_a) meta_a = g_string_new(NULL); if (!meta_b) meta_b = g_string_new(NULL); if (current_trial < 0) { g_string_printf(label, "No test in progress."); g_string_printf(meta_a, "(none)"); g_string_printf(meta_b, "(none)"); g_object_set(adjustment, "upper", 0.0, "value", 0.0, NULL); gtk_list_store_clear(marker_list); } else if (current_trial == 0) { double limit = MIN(metadata_a.duration, metadata_b.duration); g_string_printf(label, "Test trial 1 of %d", test_get_ntrials()); g_string_printf(meta_a, "%s, %d Hz, %d channels", basename_a, metadata_a.rate, metadata_a.channels); g_string_printf(meta_b, "%s, %d Hz, %d channels", basename_b, metadata_b.rate, metadata_b.channels); g_object_set(adjustment, "upper", (gdouble) limit, "value", 0.0, NULL); gtk_list_store_clear(marker_list); } else { g_string_printf(label, "Test trial %d of %d", current_trial + 1, test_get_ntrials()); } gtk_label_set_text(GTK_LABEL(trial_label), label->str); gtk_label_set_text(GTK_LABEL(meta_a_label), meta_a->str); gtk_label_set_text(GTK_LABEL(meta_b_label), meta_b->str); } void reset_test_widgets(void) { if (basename_a) g_free(basename_a); if (basename_b) g_free(basename_b); current_trial = 0; playback_get_metadata(&metadata_a, &metadata_b); basename_a = g_path_get_basename(metadata_a.filename); basename_b = g_path_get_basename(metadata_b.filename); update_main_window(); } /* * Update time slider to the current playback location. Remove * possible previous recurrent update timer, and reinstall a new one. * (This is done mostly for consistent UI behavior.) */ static void update_location(void) { if (update_timeout_id) { g_source_remove(update_timeout_id); update_timeout_id = 0; } if (recurrent_update_location(NULL)) { update_timeout_id = g_timeout_add(UPDATE_LOCATION_TIMEOUT, recurrent_update_location, NULL); } } /* * Update current location to the time slider unless the user is * seeking. This function is added to the Glib main event loop * whenever update_location is called. * * Return FALSE if playback has been stopped, so that glib will remove * the function from its event loop. Otherwise, return TRUE. */ static gboolean recurrent_update_location(gpointer data) { (void)(data); Playback_state state = playback_get_state(); if (!is_user_seeking && !seek_delay_id && state.location >= 0) { gtk_range_set_value(GTK_RANGE(scale), state.location); } switch (state.playback) { case STOPPED: clear_status_bar(); update_timeout_id = 0; return FALSE; case PAUSED: update_timeout_id = 0; return FALSE; case PLAYING: return TRUE; } return TRUE; } /* * Seek to the current scale position. This function is meant to be * called by the seek delay timer. */ static void delayed_seek(gpointer data) { (void)(data); playback_seek(gtk_range_get_value(GTK_RANGE(scale))); update_location(); seek_delay_id = 0; } /* * Restore "Stopped" to the status bar. */ static void clear_status_bar(void) { /* pop twice to remove possible "Paused" from the status bar */ gtk_statusbar_pop(GTK_STATUSBAR(status_bar), play_context); gtk_statusbar_pop(GTK_STATUSBAR(status_bar), play_context); } /* * Create main window elements and lay them into main_box. */ static void create_main_window(void) { main_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); GtkWidget *playback_box = create_playback_box(); GtkWidget *test_box = create_test_box(); GtkWidget *marker_box = create_marker_box(); GtkWidget *meta_box = create_metadata_box(); GtkWidget *menu_bar = create_menu_bar(); create_status_bar(); GtkWidget *left_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 20); gtk_box_pack_start(GTK_BOX(left_box), test_box, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(left_box), meta_box, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(left_box), playback_box, TRUE, FALSE, 0); GtkWidget *main_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 20); gtk_container_set_border_width(GTK_CONTAINER(main_hbox), 10); gtk_box_pack_start(GTK_BOX(main_hbox), left_box, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(main_hbox), marker_box, TRUE, TRUE, 0); GtkWidget *main_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_box_pack_start(GTK_BOX(main_box), menu_bar, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(main_box), main_hbox, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(main_box), status_bar, FALSE, FALSE, 0); gtk_window_set_title(GTK_WINDOW(main_window), "ABX Tester"); gtk_window_set_icon_list(GTK_WINDOW(main_window), icons); g_signal_connect(G_OBJECT(main_window), "delete-event", G_CALLBACK(delete_event_handler), NULL); g_signal_connect(G_OBJECT(main_window), "destroy", G_CALLBACK(destroy_event_handler), NULL); g_signal_connect(G_OBJECT(main_window), "key-press-event", G_CALLBACK(key_pressed), NULL); gtk_container_add(GTK_CONTAINER(main_window), main_box); } /* * Return a new button with a stock icon. */ static GtkWidget * create_icon_button(const gchar *icon, gchar *label) { GtkWidget *button = gtk_button_new(); GtkWidget *aligned_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); GtkWidget *box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); gtk_box_set_spacing(GTK_BOX(box), 5); gtk_container_add(GTK_CONTAINER(box), gtk_image_new_from_icon_name(icon, GTK_ICON_SIZE_BUTTON)); gtk_container_add(GTK_CONTAINER(box), gtk_label_new_with_mnemonic(label)); gtk_box_pack_start(GTK_BOX(aligned_box), box, TRUE, FALSE, 0); gtk_container_add(GTK_CONTAINER(button), aligned_box); return button; } /* * Create playback-related widgets (time scale and control buttons), * and lay them into a vbox. Return the box. */ static GtkWidget * create_playback_box(void) { adjustment = gtk_adjustment_new(0, 0, 60, STEP_INCREMENT, PAGE_INCREMENT, 0); scale = gtk_scale_new(GTK_ORIENTATION_HORIZONTAL, adjustment); gtk_scale_set_digits(GTK_SCALE(scale), 0); is_user_seeking = 0; g_signal_connect(G_OBJECT(scale), "button_press_event", G_CALLBACK(scale_button_pressed_or_released), NULL); g_signal_connect(G_OBJECT(scale), "button_release_event", G_CALLBACK(scale_button_pressed_or_released), NULL); g_signal_connect(G_OBJECT(scale), "change_value", G_CALLBACK(scale_scroll_action), NULL); first_sample = create_icon_button("media-playback-start", "_A"); g_signal_connect(G_OBJECT(first_sample), "clicked", G_CALLBACK(play_button_clicked), NULL); second_sample = create_icon_button("media-playback-start", "_B"); g_signal_connect(G_OBJECT(second_sample), "clicked", G_CALLBACK(play_button_clicked), NULL); test_sample = create_icon_button("media-playback-start", "_X"); g_signal_connect(G_OBJECT(test_sample), "clicked", G_CALLBACK(play_button_clicked), NULL); pause_button = create_icon_button("media-playback-pause", "_Pause"); g_signal_connect(G_OBJECT(pause_button), "clicked", G_CALLBACK(pause_button_clicked), NULL); prev_marker = create_icon_button("media-skip-backward", "P_revious"); g_signal_connect(G_OBJECT(prev_marker), "clicked", G_CALLBACK(rewind_button_clicked), NULL); next_marker = create_icon_button("media-skip-forward", "_Next"); g_signal_connect(G_OBJECT(next_marker), "clicked", G_CALLBACK(rewind_button_clicked), NULL); GtkWidget *button_grid = gtk_grid_new(); gtk_grid_set_column_homogeneous(GTK_GRID(button_grid), TRUE); gtk_widget_set_halign(button_grid, GTK_ALIGN_CENTER); gtk_widget_set_valign(button_grid, GTK_ALIGN_CENTER); gtk_grid_attach(GTK_GRID(button_grid), first_sample, 0, 0, 1, 1); gtk_grid_attach(GTK_GRID(button_grid), second_sample, 1, 0, 1, 1); gtk_grid_attach(GTK_GRID(button_grid), test_sample, 2, 0, 1, 1); gtk_grid_attach(GTK_GRID(button_grid), pause_button, 0, 1, 1, 1); gtk_grid_attach(GTK_GRID(button_grid), prev_marker, 1, 1, 1, 1); gtk_grid_attach(GTK_GRID(button_grid), next_marker, 2, 1, 1, 1); gtk_grid_set_row_spacing(GTK_GRID(button_grid), 10); gtk_grid_set_column_spacing(GTK_GRID(button_grid), 10); GtkWidget *playback_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 20); gtk_box_pack_start(GTK_BOX(playback_box), scale, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(playback_box), button_grid, FALSE, FALSE, 0); return playback_box; } /* * Create marker-related widgets and lay them into a vbox. Return the * box. */ static GtkWidget * create_marker_box(void) { marker_list = gtk_list_store_new(1, G_TYPE_DOUBLE); markers = gtk_tree_view_new_with_model(GTK_TREE_MODEL(marker_list)); g_signal_connect(G_OBJECT(markers), "row-activated", G_CALLBACK(marker_activated), NULL); GtkCellRenderer *renderer = gtk_cell_renderer_text_new(); GtkTreeViewColumn *column = gtk_tree_view_column_new_with_attributes ("_Markers", renderer, "text", 0, NULL); gtk_tree_view_column_set_cell_data_func(column, renderer, format_marker, NULL, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(markers), column); add_marker = gtk_button_new_from_icon_name ("list-add", GTK_ICON_SIZE_BUTTON); remove_marker = gtk_button_new_from_icon_name ("list-remove", GTK_ICON_SIZE_BUTTON); GtkWidget *clear_markers = gtk_button_new_from_icon_name ("edit-clear", GTK_ICON_SIZE_BUTTON); g_signal_connect(G_OBJECT(add_marker), "clicked", G_CALLBACK(add_marker_clicked), NULL); g_signal_connect(G_OBJECT(remove_marker), "clicked", G_CALLBACK(remove_marker_clicked), NULL); g_signal_connect_swapped(G_OBJECT(clear_markers), "clicked", G_CALLBACK(gtk_list_store_clear), G_OBJECT(marker_list)); GtkWidget *marker_buttons_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); gtk_widget_set_halign(marker_buttons_box, GTK_ALIGN_CENTER); gtk_container_add(GTK_CONTAINER(marker_buttons_box), add_marker); gtk_container_add(GTK_CONTAINER(marker_buttons_box), remove_marker); gtk_container_add(GTK_CONTAINER(marker_buttons_box), clear_markers); GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL); gtk_container_add(GTK_CONTAINER(scrolled_window), markers); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); GtkWidget *marker_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10); gtk_box_pack_start(GTK_BOX(marker_box), GTK_WIDGET(scrolled_window), TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(marker_box), marker_buttons_box, FALSE, FALSE, 0); return marker_box; } /* * Format marker time point to two digits precision. */ static void format_marker(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data) { (void)(tree_column); (void)(data); static GString *timepoint = NULL; if (!timepoint) timepoint = g_string_new(NULL); gdouble marker; gtk_tree_model_get(tree_model, iter, 0, &marker, -1); g_string_printf(timepoint, "%.2f", marker); GValue formatted = G_VALUE_INIT; g_value_init(&formatted, G_TYPE_STRING); g_value_set_string(&formatted, timepoint->str); g_object_set_property(G_OBJECT(cell), "text", &formatted); g_value_unset(&formatted); } /* * Create test-related widgets and lay them into a hbox. Return the * box. */ static GtkWidget * create_test_box(void) { GtkWidget *decide = gtk_button_new_with_mnemonic("_Decide X"); GtkWidget *test_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0); g_signal_connect(G_OBJECT(decide), "clicked", G_CALLBACK(decide_button_clicked), NULL); trial_label = gtk_label_new(NULL); gtk_box_pack_start(GTK_BOX(test_box), trial_label, FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(test_box), decide, FALSE, FALSE, 0); return test_box; } /* * Create metadata-related widgets and lay them into a vbox. Return * the box. */ static GtkWidget * create_metadata_box(void) { GtkWidget *sample_a_label = gtk_label_new("Sample A:"); GtkWidget *sample_b_label = gtk_label_new("Sample B:"); meta_a_label = gtk_label_new(NULL); meta_b_label = gtk_label_new(NULL); GtkWidget *meta_a_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); GtkWidget *meta_b_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10); gtk_box_pack_start(GTK_BOX(meta_a_hbox), sample_a_label, FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(meta_a_hbox), meta_a_label, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(meta_b_hbox), sample_b_label, FALSE, FALSE, 0); gtk_box_pack_end(GTK_BOX(meta_b_hbox), meta_b_label, FALSE, FALSE, 0); GtkWidget *meta_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5); gtk_box_pack_start(GTK_BOX(meta_vbox), meta_a_hbox, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(meta_vbox), meta_b_hbox, FALSE, FALSE, 0); return meta_vbox; } /* * Create menu bar and items. Return the menu bar. */ static GtkWidget * create_menu_bar(void) { g_assert(main_window); /* the main window must exist for quit callback */ GtkWidget *test_menu = gtk_menu_new(); new_test_menu_item = gtk_menu_item_new_with_mnemonic("_New"); quit_menu_item = gtk_menu_item_new_with_mnemonic("_Quit"); gtk_menu_shell_append(GTK_MENU_SHELL(test_menu), new_test_menu_item); gtk_menu_shell_append(GTK_MENU_SHELL(test_menu), quit_menu_item); g_signal_connect(G_OBJECT (new_test_menu_item), "activate", G_CALLBACK(menu_item_clicked), NULL); g_signal_connect(G_OBJECT(quit_menu_item), "activate", G_CALLBACK(menu_item_clicked), NULL); GtkWidget *test_menu_item = gtk_menu_item_new_with_mnemonic("_Test"); gtk_menu_item_set_submenu(GTK_MENU_ITEM (test_menu_item), test_menu); GtkWidget *help_menu = gtk_menu_new(); about_menu_item = gtk_menu_item_new_with_mnemonic("_About"); gtk_menu_shell_append(GTK_MENU_SHELL (help_menu), about_menu_item); g_signal_connect(G_OBJECT (about_menu_item), "activate", G_CALLBACK (menu_item_clicked), NULL); GtkWidget *help_menu_item = gtk_menu_item_new_with_mnemonic("_Help"); gtk_menu_item_set_submenu(GTK_MENU_ITEM (help_menu_item), help_menu); GtkWidget *menu_bar = gtk_menu_bar_new(); gtk_menu_shell_append(GTK_MENU_SHELL(menu_bar), test_menu_item); gtk_menu_shell_append(GTK_MENU_SHELL(menu_bar), help_menu_item); return menu_bar; } /* * Create the status bar. */ static void create_status_bar(void) { status_bar = gtk_statusbar_new(); play_context = (gtk_statusbar_get_context_id (GTK_STATUSBAR(status_bar), "Playback status")); non_play_context = (gtk_statusbar_get_context_id (GTK_STATUSBAR(status_bar), "Non-playback status")); gtk_statusbar_push(GTK_STATUSBAR(status_bar), non_play_context, "Stopped"); } /* * Handle main window delete signal. * * Ask for confirmation if there is a test in progress. */ static gboolean delete_event_handler(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); return !confirm("Are you sure you want to exit?"); } /* * Handle main window destroy signal. This will eventually exit the * program. */ static void destroy_event_handler(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); main_window = NULL; gtk_main_quit(); } /* * Handler marker selection (activation in GTK lingo). */ static void marker_activated(GtkTreeView *markers, GtkTreePath *path, GtkTreeViewColumn *column, gpointer user_data) { (void)(markers); (void)(column); (void)(user_data); GtkTreeIter iter; if (!gtk_tree_model_get_iter (GTK_TREE_MODEL(marker_list), &iter, path)) { g_warning("can't get iterator for marked item"); return; } gdouble marker; gtk_tree_model_get(GTK_TREE_MODEL(marker_list), &iter, 0, &marker, -1); playback_seek(marker); update_location(); } /* * Handle key press events. * * Simulate button press and scale scroll events to mimic the * corresponding mouse actions. * * Key events with GDK_MOD1_MASK modifier are passed verbatim so that * mnemonic accelerators will still work. It is thus tacitly assumed * that Alt generates GDK_MOD1_MASK. */ static gboolean key_pressed(GtkWidget *widget, GdkEvent *event, gpointer user_data) { guint keyval; if (!gdk_event_get_keyval(event, &keyval)) { return FALSE; } GdkModifierType state; if (!gdk_event_get_state(event, &state) || (state & GDK_MOD1_MASK) == GDK_MOD1_MASK) { return FALSE; } switch (keyval) { case GDK_KEY_a: play_button_clicked(first_sample, NULL); break; case GDK_KEY_b: play_button_clicked(second_sample, NULL); break; case GDK_KEY_x: play_button_clicked(test_sample, NULL); break; case GDK_KEY_space: pause_button_clicked(pause_button, NULL); break; case GDK_KEY_n: rewind_button_clicked(next_marker, NULL); break; case GDK_KEY_p: rewind_button_clicked(prev_marker, NULL); break; case GDK_KEY_plus: case GDK_KEY_KP_Add: add_marker_clicked(add_marker, NULL); break; case GDK_KEY_minus: case GDK_KEY_KP_Subtract: remove_marker_clicked(remove_marker, NULL); break; case GDK_KEY_Left: if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) { adjust_scale(-PAGE_INCREMENT); } else { adjust_scale(-STEP_INCREMENT); } break; case GDK_KEY_Right: if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) { adjust_scale(PAGE_INCREMENT); } else { adjust_scale(STEP_INCREMENT); } break; case GDK_KEY_Home: case GDK_KEY_KP_Home: adjust_scale(-gtk_adjustment_get_upper(adjustment)); break; case GDK_KEY_End: case GDK_KEY_KP_End: adjust_scale(gtk_adjustment_get_upper(adjustment)); break; case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up: adjust_scale(-PAGE_INCREMENT); break; case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down: adjust_scale(PAGE_INCREMENT); break; default: return FALSE; } return TRUE; } /* * Clear marker selection, if any. */ static void clear_marker_selection(void) { gtk_tree_selection_unselect_all (gtk_tree_view_get_selection(GTK_TREE_VIEW(markers))); } /* * Handle scale button dragging. */ static gboolean scale_button_pressed_or_released(GtkWidget *widget, GdkEventButton *event, gpointer data) { (void)(widget); (void)(data); static double previous = -1; if (event->type == GDK_BUTTON_PRESS) { is_user_seeking = 1; gtk_scale_set_digits(GTK_SCALE(scale), 2); previous = gtk_range_get_value(GTK_RANGE(scale)); } else if (event->type == GDK_BUTTON_RELEASE) { double current = gtk_range_get_value(GTK_RANGE(scale)); if (fabs(previous - current) > 0.001) { clear_marker_selection(); playback_seek(gtk_range_get_value(GTK_RANGE(scale))); update_location(); } gtk_scale_set_digits(GTK_SCALE(scale), 0); is_user_seeking = 0; } return FALSE; } /* * Adjust scale by offset by simulating a scroll action. */ static void adjust_scale(gdouble offset) { double value = gtk_range_get_value(GTK_RANGE(scale)) + offset; scale_scroll_action(GTK_RANGE(scale), GTK_SCROLL_NONE, value, NULL); } /* * Seek after scale scroll action. */ static gboolean scale_scroll_action(GtkRange *range, GtkScrollType scroll, double value, gpointer data) { (void)(scroll); (void)(data); if (!is_user_seeking) { double current = gtk_range_get_value(range); gtk_range_set_value(range, value); double new = gtk_range_get_value(range); /* Seek only when there is a difference between positions. */ if (fabs(current - new) > 0.001) { clear_marker_selection(); if (seek_delay_id) { g_source_remove(seek_delay_id); } seek_delay_id = g_timeout_add_once(SEEK_DELAY_TIMEOUT, delayed_seek, NULL); } } return FALSE; } /* * Add current location as marker. If playback is in progress, use * playback location. Otherwise use the slider value. */ static void add_marker_clicked(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); if (current_trial < 0) return; GtkTreeIter new; gtk_list_store_append(marker_list, &new); Playback_state state = playback_get_state(); if (state.location < 0) { gtk_list_store_set(marker_list, &new, 0, gtk_adjustment_get_value (GTK_ADJUSTMENT(adjustment)), -1); } else { gtk_list_store_set(marker_list, &new, 0, state.location, -1); } } /* * Remove the selected marker. */ static void remove_marker_clicked(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); GtkTreeIter iter; if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection(GTK_TREE_VIEW(markers)), NULL, &iter)) { gtk_list_store_remove(marker_list, &iter); } } /* * Handle menu item clicks. */ static void menu_item_clicked(GtkWidget *widget, gpointer data) { (void)(data); if (widget == new_test_menu_item) { if (confirm("Are you sure you want to replace the current test " "with a new test?")) { playback_stop(); show_new_test_window(GTK_WINDOW(main_window)); } } else if (widget == about_menu_item) { show_about_dialog(); } else if (widget == quit_menu_item) { if (confirm("Are you sure you want to exit?")) { gtk_widget_destroy(main_window); } } else { g_warning("menu item handler called with unknown widget"); } } /* * Show decide dialog. */ static void decide_button_clicked(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); if (current_trial >= 0) { playback_stop(); decide_current_trial(); } } /* * Start playback and update the status bar. */ static void play_button_clicked(GtkWidget *widget, gpointer data) { (void)(data); if (current_trial < 0) return; gint sampleid; if (widget == first_sample) { sampleid = 0; } else if (widget == second_sample) { sampleid = 1; } else { sampleid = test_get_answer(current_trial); } /* check for marker selection */ GtkTreeIter iter; int rv; if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection(GTK_TREE_VIEW(markers)), NULL, &iter)) { gdouble marker; gtk_tree_model_get(GTK_TREE_MODEL(marker_list), &iter, 0, &marker, -1); rv = playback_start(sampleid, marker); } else { Playback_state state = playback_get_state(); if (state.location < 0) { rv = playback_start(sampleid, gtk_adjustment_get_value (GTK_ADJUSTMENT(adjustment))); } else { rv = playback_start(sampleid, state.location); } } if (rv != 0) { error_dialog(main_window, "Failed to start playback", playback_error); return; } clear_status_bar(); if (widget == first_sample) { gtk_statusbar_push(GTK_STATUSBAR(status_bar), play_context, "Playing sample A"); } else if (widget == second_sample) { gtk_statusbar_push(GTK_STATUSBAR(status_bar), play_context, "Playing sample B"); } else { gtk_statusbar_push(GTK_STATUSBAR(status_bar), play_context, "Playing sample X"); } update_location(); } /* * Pause or resume the playback. */ static void pause_button_clicked(GtkWidget *widget, gpointer data) { (void)(widget); (void)(data); Playback_state state = playback_pause_or_resume(); switch (state.playback) { case PAUSED: gtk_statusbar_push(GTK_STATUSBAR(status_bar), play_context, "Paused"); break; case PLAYING: gtk_statusbar_pop(GTK_STATUSBAR(status_bar), play_context); break; default: clear_status_bar(); } update_location(); } /* * Seek to the next or previous marker. */ static void rewind_button_clicked(GtkWidget *widget, gpointer data) { (void)(data); GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(markers)); GtkTreeIter iter; if (gtk_tree_selection_get_selected(selection, NULL, &iter) == FALSE) { gtk_tree_selection_select_path(selection, gtk_tree_path_new_first()); } else { GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL(marker_list), &iter); if (widget == prev_marker && gtk_tree_path_prev(path)) { gtk_tree_selection_select_path(selection, path); } else if (widget == next_marker) { gtk_tree_path_next(path); gtk_tree_selection_select_path(selection, path); } gtk_tree_path_free(path); } if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection(GTK_TREE_VIEW(markers)), NULL, &iter)) { gdouble marker; gtk_tree_model_get(GTK_TREE_MODEL(marker_list), &iter, 0, &marker, -1); playback_seek(marker); update_location(); } } /* * If there is a test in progress, ask for confirmation before * creating a new test. * * Return TRUE if affirmative or if there is not test in progress, * FALSE otherwise. */ static gboolean confirm(const gchar *message) { if (current_trial != -1) { GtkDialogFlags flags = GTK_DIALOG_DESTROY_WITH_PARENT; GtkWidget *dialog = gtk_message_dialog_new (GTK_WINDOW(main_window), flags, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, "Test in progress"); gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG(dialog), "%s", message); gtk_window_set_title(GTK_WINDOW(dialog), "Warning"); gint result = gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); return result == GTK_RESPONSE_YES; } else { return TRUE; } } /* * Fill in and show the about dialog. */ static void show_about_dialog(void) { static const gchar *authors[] = { "Petteri Hintsanen ", NULL }; GdkPixbuf *logo = gdk_pixbuf_new_from_resource ("/fi/kapsi/phintsan/abx/abx-128.png", NULL); gtk_show_about_dialog(GTK_WINDOW(main_window), "program-name", "ABX Tester", "title", "About ABX Tester", "authors", authors, "comments", "Fidelity testing program.", "website", PACKAGE_URL, "license-type", GTK_LICENSE_GPL_3_0, "version", VERSION, "logo", logo, NULL); } /* * Show decide dialog and act according to the user response. */ static void decide_current_trial(void) { GtkWidget *dialog = (gtk_message_dialog_new (GTK_WINDOW(main_window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, "Decide X")); gtk_window_set_title(GTK_WINDOW(dialog), "Decision"); gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG(dialog), "Which one is X, A or B?"); gtk_dialog_add_button(GTK_DIALOG(dialog), "_A", 0); gtk_dialog_add_button(GTK_DIALOG(dialog), "_B", 1); gtk_dialog_add_button(GTK_DIALOG(dialog), "_Cancel", GTK_RESPONSE_CANCEL); gint response = gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); if (response == 0 || response == 1) { test_set_guess(current_trial, response); if (current_trial == test_get_ntrials() - 1) { /* test over */ show_result_window(GTK_WINDOW(main_window)); } else { /* proceed to the next trial */ current_trial++; update_main_window(); } } } abx-0.2.1/src/abx.gresource.xml0000664000175000017500000000054115211007652012026 abx-16.png abx-32.png abx-48.png abx-64.png abx-80.png abx-96.png abx-128.png abx-160.png abx-0.2.1/src/audio.h0000644000175000017500000000350114765551627010027 /* audio.h - interface to system audio * * Copyright 2024 Petteri Hintsanen * * This file is part of abx. * * abx is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * abx is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public License * along with abx. If not, see . */ /* Output device structure. */ typedef struct { int index; /* Device index for playback_init. */ const char *name; /* Device name. */ int latency; /* Default output latency. */ int sysdefault; /* If nonzero, this is the system * default output. */ } Audio_device; /* Error string for the most recent error. */ extern const char *last_audio_error; /* * Initialize PortAudio. * * This function must be called before any audio or playback * functions. * * Return 0 on success, nonzero otherwise. */ extern int audio_init(void); /* * Shut down PortAudio. * * This function must be called before the program exits, otherwise * persistent resource leaks may occur. * * Return zero on success, nonzero otherwise. */ extern int audio_close(void); /* * Get the available output devices. * * Set the given pointer to the array of devices and return the number * of elements in that array. * * Return -1 in case of error. */ extern int audio_get_outputs(const Audio_device **devices); abx-0.2.1/src/abx-128.png0000664000175000017500000000606215213330635010333 PNG  IHDR>abKGD IDATxUU?,˲+&P[DE Kl&L+jjlbN%Vf:e?F͜2''4Kb!` ,?twaw_|߃w{=羷g̾{x<x<x<3<CB1ˁe2?OJj?=E F{ȹmMF0 erw$VJqR `fd+Co:մMZ^7:3!Æ of 4!fUzgSja[^ϡ62| Xv pX4"E29WyG0 v\Xe(wc#x7#C6rGJ3S\kWksXd.`L1 8ǐGRG?!(q m~)C_}\ZPxs.S5,gnG,2(:urY@%\Ș?< ȌS6(pzO.eމTqڀ8b N9JD^8mqiڀ݆mB Zڋ0p܌$ꑪDE.^ن.\}=2,s}26&fWd6X`c28?ėCc+ R~tQ9̓y1`1Rch tQyydBhẻs֝ RDisJY(,\. H͙+vݤXYo^1*ݨ[7!YsWsWY8:`EYgG -̋1$wXWHGʲz7g,/⧑3e/U3Q>K)͘]?e7hxAp.C[k ap{ڔu-5έ.| x ]T!?ޫ6e!} ?s(h6+i6XfskR̛:$C~S;&RmK`ͨaЌkS?07kHЄcz3sy|Y;7D4ȴxB[AޣNzɵHt"󇴙%CȴuȒu)ݥ-<"K08`xŘv땙}D:mhP4;47Nu(kG9>Y6-e<$^.[A A`"qHS(" Ǒ ӤH a^#9xjlX |tpv)ҳ]A_tY'? zAUE m9HԔg 阄# P #\'ҋh@ %lX~/7dFv:#yʤgśg3|n~"F`^"$Zic9Vjलikm +m {.3Ӧ--{pO"mn\)6dL(5K}ɣr @RLJ7?bB2{co)ݴmb(xL i|1d898tKq}:7zd:dp#d4,5Ukҹ'B^\G$ϡ]C_[L3 ٴҙa&"k}l=ڗGHR&D}$dX@kAf\ux Hh ﱌJ]G3j32-?6j4)܈#<ᴓpVG6x i]=>*js*. dnl Copyright © 2012-2015 Dan Nicholson dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA dnl 02111-1307, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a dnl configuration script generated by Autoconf, you may include it under dnl the same distribution terms that you use for the rest of that dnl program. dnl PKG_PREREQ(MIN-VERSION) dnl ----------------------- dnl Since: 0.29 dnl dnl Verify that the version of the pkg-config macros are at least dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's dnl installed version of pkg-config, this checks the developer's version dnl of pkg.m4 when generating configure. dnl dnl To ensure that this macro is defined, also add: dnl m4_ifndef([PKG_PREREQ], dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) dnl dnl See the "Since" comment for each macro you use to see what version dnl of the macros you require. m4_defun([PKG_PREREQ], [m4_define([PKG_MACROS_VERSION], [0.29.2]) m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) ])dnl PKG_PREREQ dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) dnl ---------------------------------- dnl Since: 0.16 dnl dnl Search for the pkg-config tool and set the PKG_CONFIG variable to dnl first found in the path. Checks that the version of pkg-config found dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is dnl used since that's the first version where most current features of dnl pkg-config existed. AC_DEFUN([PKG_PROG_PKG_CONFIG], [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) fi if test -n "$PKG_CONFIG"; then _pkg_min_version=m4_default([$1], [0.9.0]) AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) PKG_CONFIG="" fi fi[]dnl ])dnl PKG_PROG_PKG_CONFIG dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) dnl ------------------------------------------------------------------- dnl Since: 0.18 dnl dnl Check to see whether a particular set of modules exists. Similar to dnl PKG_CHECK_MODULES(), but does not set variables or print errors. dnl dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) dnl only at the first occurrence in configure.ac, so if the first place dnl it's called might be skipped (such as if it is within an "if", you dnl have to call PKG_CHECK_EXISTS manually AC_DEFUN([PKG_CHECK_EXISTS], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl if test -n "$PKG_CONFIG" && \ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then m4_default([$2], [:]) m4_ifvaln([$3], [else $3])dnl fi]) dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) dnl --------------------------------------------- dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting dnl pkg_failed based on the result. m4_define([_PKG_CONFIG], [if test -n "$$1"; then pkg_cv_[]$1="$$1" elif test -n "$PKG_CONFIG"; then PKG_CHECK_EXISTS([$3], [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes ], [pkg_failed=yes]) else pkg_failed=untried fi[]dnl ])dnl _PKG_CONFIG dnl _PKG_SHORT_ERRORS_SUPPORTED dnl --------------------------- dnl Internal check to see if pkg-config supports short errors. AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi[]dnl ])dnl _PKG_SHORT_ERRORS_SUPPORTED dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], dnl [ACTION-IF-NOT-FOUND]) dnl -------------------------------------------------------------- dnl Since: 0.4.0 dnl dnl Note that if there is a possibility the first call to dnl PKG_CHECK_MODULES might not happen, you should be sure to include an dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac AC_DEFUN([PKG_CHECK_MODULES], [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl pkg_failed=no AC_MSG_CHECKING([for $2]) _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) _PKG_CONFIG([$1][_LIBS], [libs], [$2]) m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS and $1[]_LIBS to avoid the need to call pkg-config. 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 # Create dirs (including intermediate dirs) using mode 755. # This is like GNU 'install' as of coreutils 8.32 (2020). mkdir_umask=22 backupsuffix= chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... 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This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: abx-0.2.1/NEWS0000664000175000017500000000646015236157015006461 * New in version 0.2.1 (9 Aug 2026) ** The current playback location is now correctly updated Especially with larger latencies the location is no more in the future. ** Icon source files are included in the distribution Previously icon data were binary blobs, which is incompatible with the GPL. See the README file for details. ** More controlled playback Playback delays when switching between samples should be now more consistent. * New in version 0.2 (24 Aug 2025) With respect to possible bugs, the same note as for 0.2-b0 below still applies. Please report any problems to petterih@iki.fi. ** The current playback position indicator has a variable precision During playback the position indicator has now one second precision, which is consistent with the position update rate. When seeking with the mouse the indicator has two digits of precision. This allows seeking to sub-second positions. ** Follow symbolic links when opening sample files ** Additional shortcut keys for playback Playback and markers can be controlled from the keyboard with certain key presses. See the web site for details. Mnemonics with Alt-key work as before, too. * New in version 0.2-b0 (20 Feb 2025) Please note that this is a "beta" version with lots of changes compared to the previous version. So, unfortunately, you can expect bugs and glitches. Should you encounter any, please report them to petterih@iki.fi. ** User interface has been changed to use GTK version 3 - Mouse wheel and keyboard can be used for seeking. - Improved error reporting and diagnostics. - Markers are displayed with two digit precision and p-value with three significant digits. - The selected marker is automatically deselected after manual seeking. - A confirmation is asked before exiting the program, if there is a test in progress. - The interface is now modal and (hopefully) less confusing. ** New command line option for listing output devices Add -D (--list-devices) option to command line to list available output devices. ** More lenient sound file format support abx can now open any format supported by libsndfile: it is no more restricted to PCM data. 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See the file NEWS for user-visible changes. abx is a program for performing software-based audio ABX testing. ABX test is a simple statistical method for assessing whether you are able to tell for audible differences between two samples. For example, one sample can be a compressed audio file, such as an Ogg Vorbis, and the another one its uncompressed variant (WAV, AU, ...). You can then use abx to infer whether you are able to separate the two samples due to compression artifacts. You will need the following libraries to compile abx: * libsndfile (any recent version should do) * PortAudio V19 * GTK+ version 3.24 (other 3.x versions may work as well) For generic compilation and installation instructions, see the file INSTALL. For usage and other information, see http://iki.fi/petterih/abx Note about the icons: the distributed src/abx-*.png files are renderings of src/abx.svg in various resolutions. 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"$ac_site_file" \ || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;} as_fn_error $? "failed to load site script $ac_site_file See 'config.log' for more details" "$LINENO" 5; } fi done if test -r "$cache_file"; then # Some versions of bash will fail to source /dev/null (special files # actually), so we avoid doing that. DJGPP emulates it as a regular file. if test /dev/null != "$cache_file" && test -f "$cache_file"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 printf "%s\n" "$as_me: loading cache $cache_file" >&6;} case $cache_file in [\\/]* | ?:[\\/]* ) . "$cache_file";; *) . "./$cache_file";; esac fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 printf "%s\n" "$as_me: creating cache $cache_file" >&6;} >$cache_file fi # Test code for whether the C compiler supports C89 (global declarations) ac_c_conftest_c89_globals=' /* Does the compiler advertise C89 conformance? Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (char **p, int i) { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* C89 style stringification. */ #define noexpand_stringify(a) #a const char *stringified = noexpand_stringify(arbitrary+token=sequence); /* C89 style token pasting. Exercises some of the corner cases that e.g. old MSVC gets wrong, but not very hard. */ #define noexpand_concat(a,b) a##b #define expand_concat(a,b) noexpand_concat(a,b) extern int vA; extern int vbee; #define aye A #define bee B int *pvA = &expand_concat(v,aye); int *pvbee = &noexpand_concat(v,bee); /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. It is necessary to write \x00 == 0 to get something that is true only with -std. */ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters inside strings and character constants. */ #define FOO(x) '\''x'\'' int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), int, int);' # Test code for whether the C compiler supports C89 (body of main). ac_c_conftest_c89_main=' ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); ' # Test code for whether the C compiler supports C99 (global declarations) ac_c_conftest_c99_globals=' /* Does the compiler advertise C99 conformance? */ #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L # error "Compiler does not advertise C99 conformance" #endif // See if C++-style comments work. #include extern int puts (const char *); extern int printf (const char *, ...); extern int dprintf (int, const char *, ...); extern void *malloc (size_t); extern void free (void *); // Check varargs macros. These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Work around memory leak warnings. free (ia); // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' /* Does the compiler advertise C11 conformance? */ #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" # Auxiliary files required by this configure script. ac_aux_files="compile missing install-sh" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." # Search for a directory containing all of the required auxiliary files, # $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. # If we don't find one directory that contains all the files we need, # we report the set of missing files from the *first* directory in # $ac_aux_dir_candidates and give up. ac_missing_aux_files="" ac_first_candidate=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR as_found=false for as_dir in $ac_aux_dir_candidates do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac as_found=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 ac_aux_dir_found=yes ac_install_sh= for ac_aux in $ac_aux_files do # As a special case, if "install-sh" is required, that requirement # can be satisfied by any of "install-sh", "install.sh", or "shtool", # and $ac_install_sh is set appropriately for whichever one is found. if test x"$ac_aux" = x"install-sh" then if test -f "${as_dir}install-sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 ac_install_sh="${as_dir}install-sh -c" elif test -f "${as_dir}install.sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 ac_install_sh="${as_dir}install.sh -c" elif test -f "${as_dir}shtool"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 ac_install_sh="${as_dir}shtool install -c" else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} install-sh" else break fi fi else if test -f "${as_dir}${ac_aux}"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" else break fi fi fi done if test "$ac_aux_dir_found" = yes; then ac_aux_dir="$as_dir" break fi ac_first_candidate=false as_found=false done IFS=$as_save_IFS if $as_found then : else case e in #( e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;; esac fi # These three variables are undocumented and unsupported, # and are intended to be withdrawn in a future Autoconf release. # They can cause serious problems if a builder's source tree is in a directory # whose full name contains unusual characters. if test -f "${ac_aux_dir}config.guess"; then ac_config_guess="$SHELL ${ac_aux_dir}config.guess" fi if test -f "${ac_aux_dir}config.sub"; then ac_config_sub="$SHELL ${ac_aux_dir}config.sub" fi if test -f "$ac_aux_dir/configure"; then ac_configure="$SHELL ${ac_aux_dir}configure" fi # Check that the precious variables saved in the cache have kept the same # value. ac_cache_corrupted=false for ac_var in $ac_precious_vars; do eval ac_old_set=\$ac_cv_env_${ac_var}_set eval ac_new_set=\$ac_env_${ac_var}_set eval ac_old_val=\$ac_cv_env_${ac_var}_value eval ac_new_val=\$ac_env_${ac_var}_value case $ac_old_set,$ac_new_set in set,) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5 printf "%s\n" "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;} ac_cache_corrupted=: ;; ,set) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5 printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;} ac_cache_corrupted=: ;; ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then # differences in whitespace do not lead to failure. ac_old_val_w=`echo x $ac_old_val` ac_new_val_w=`echo x $ac_new_val` if test "$ac_old_val_w" != "$ac_new_val_w"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5 printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;} ac_cache_corrupted=: else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5 printf "%s\n" "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;} eval $ac_var=\$ac_old_val fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: '$ac_old_val'" >&5 printf "%s\n" "$as_me: former value: '$ac_old_val'" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: '$ac_new_val'" >&5 printf "%s\n" "$as_me: current value: '$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. if test "$ac_new_set" = set; then case $ac_new_val in *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; *) ac_arg=$ac_var=$ac_new_val ;; esac case " $ac_configure_args " in *" '$ac_arg' "*) ;; # Avoid dups. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . abx-0.2.1/configure.ac0000664000175000017500000000061615213341667010250 AC_INIT([abx], [0.2.1], [petterih@iki.fi], [abx], [http://iki.fi/petterih/abx.html]) AM_INIT_AUTOMAKE([-Wall -Werror foreign]) AC_CONFIG_SRCDIR([src/abx.c]) AC_CONFIG_HEADERS([config.h]) AC_PROG_CC AM_PROG_CC_C_O AC_TYPE_SIZE_T PKG_CHECK_MODULES(portaudio, portaudio-2.0 >= 19) PKG_CHECK_MODULES(sndfile, sndfile) PKG_CHECK_MODULES(gtk, gtk+-3.0) AC_CONFIG_FILES([Makefile src/Makefile]) AC_OUTPUT abx-0.2.1/compile0000744000175000017500000001635014516013254007327 #! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2021 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: compile [--help] [--version] PROGRAM [ARGS] Wrapper for compilers which do not understand '-c -o'. Remove '-o dest.o' from ARGS, run PROGRAM with the remaining arguments, and rename the output as expected. If you are trying to build a whole package this is not the right script to run: please start by reading the file 'INSTALL'. Report bugs to . EOF exit $? ;; -v | --v*) echo "compile $scriptversion" exit $? ;; cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \ icl | *[/\\]icl | icl.exe | *[/\\]icl.exe ) func_cl_wrapper "$@" # Doesn't return... ;; esac ofile= cfile= for arg do if test -n "$eat"; then eat= else case $1 in -o) # configure might choose to run compile as 'compile cc -o foo foo.c'. # So we strip '-o arg' only if arg is an object. eat=1 case $2 in *.o | *.obj) ofile=$2 ;; *) set x "$@" -o "$2" shift ;; esac ;; *.c) cfile=$1 set x "$@" "$1" shift ;; *) set x "$@" "$1" shift ;; esac fi shift done if test -z "$ofile" || test -z "$cfile"; then # If no '-o' option was seen then we might have been invoked from a # pattern rule where we don't need one. That is ok -- this is a # normal compilation that the losing compiler can handle. If no # '.c' file was seen then we are probably linking. That is also # ok. exec "$@" fi # Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` # Create the lock directory. # Note: use '[/\\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d while true; do if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. "$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: abx-0.2.1/INSTALL0000664000175000017500000002245015211020702006771 Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== Briefly, the shell commands `./configure; make; make install' should configure, build, and install this package. The following more-detailed instructions are generic; see the `README' file for instructions specific to this package. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. Caching is disabled by default to prevent problems with accidental use of stale cache files. If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. Running `configure' might take a while. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. 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You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c99 CFLAGS=-g LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you can use GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. With a non-GNU `make', it is safer to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. 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Specifying the System Type ========================== There may be some features `configure' cannot figure out automatically, but needs to determine by the type of machine the package will run on. Usually, assuming the package is built to be run on the _same_ architectures, `configure' can figure that out, but if it prints a message saying it cannot guess the machine type, give it the `--build=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name which has the form: CPU-COMPANY-SYSTEM where SYSTEM can have one of these forms: OS KERNEL-OS See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the machine type. If you are _building_ compiler tools for cross-compiling, you should use the option `--target=TYPE' to select the type of system they will produce code for. If you want to _use_ a cross compiler, that generates code for a platform different from the build platform, you should specify the "host" platform (i.e., that on which the generated programs will eventually be run) with `--host=TYPE'. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Defining Variables ================== Variables not defined in a site shell script can be set in the environment passed to `configure'. However, some packages may run configure again during the build, and the customized values of these variables may be lost. In order to avoid this problem, you should set them in the `configure' command line, using `VAR=value'. For example: ./configure CC=/usr/local2/bin/gcc causes the specified `gcc' to be used as the C compiler (unless it is overridden in the site shell script). Unfortunately, this technique does not work for `CONFIG_SHELL' due to an Autoconf bug. Until the bug is fixed you can use this workaround: CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of the options to `configure', and exit. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. abx-0.2.1/config.h.in0000644000175000017500000000317215213342327007775 /* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDIO_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if all of the C89 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* Define as 'unsigned int' if doesn't define. */ #undef size_t