#include #include #include #include #include #include #include #include #include #include #include #include static void usage(int argc, char **argv, const char *message, ...) { va_list args; va_start(args, message); if (message) { vfprintf(stderr, message, args); fputc('\n', stderr); } va_end(args); fprintf(stderr, "usage: %s output.wav\n", argv[0]); exit(EX_USAGE); } int main(int argc, char **argv) { xas_spatial_scene *scene; xas_seq *seq; xas_spatial_object *synth_l, *synth_r, *voice; xas_audio_stream *output, *wave; xas_audio_format format = { .channels = XAS_AUDIO_STEREO, .sample_size = XAS_AUDIO_PCM_16_BIT, .sample_rate = 44100 }; size_t buffer_size = 735; xas_spatial_coord speakers[2] = { { -0.09, 0.0, 0.0 }, { 0.09, 0.0, 0.0 } }; if (argc != 2) { usage(argc, argv, "No output file provided"); } if ((wave = xas_riff_new_file(argv[1], format, O_WRONLY | O_CREAT | O_TRUNC)) == NULL) { goto error_riff_new_file; } if ((scene = xas_spatial_scene_new(format, speakers[0], speakers[1])) == NULL) { goto error_spatial_scene_new; } if ((seq = xas_seq_new(scene, buffer_size)) == NULL) { goto error_seq_new; } if ((voice = xas_spatial_scene_add_vox(scene, (xas_spatial_coord){ 0.0, 0.0, -20.0 }, "/usr/bin/text2wave")) == NULL) { goto error_spatial_scene_add_vox; } if ((synth_l = xas_spatial_scene_add_synth(scene, (xas_spatial_coord){ -20.0, 0.0, 0.0 }, XAS_SYNTH_SINE)) == NULL) { goto error_spatial_scene_add_synth_l; } if ((synth_r = xas_spatial_scene_add_synth(scene, (xas_spatial_coord){ 20.0, 0.0, 0.0 }, XAS_SYNTH_SINE)) == NULL) { goto error_spatial_scene_add_synth_r; } if ((output = xas_spatial_scene_stream_new(scene, buffer_size)) == NULL) { goto error_spatial_scene_stream_new; } xas_vox_set_parameter_float(voice->ctx, "Duration_Stretch", 1.3); xas_seq_add_set_frequency(seq, synth_l, (struct timeval){ 0, 0 }, 220); xas_seq_add_set_frequency(seq, synth_r, (struct timeval){ 0, 0 }, 420); xas_seq_add_event_on( seq, synth_l, (struct timeval){ 0, 0 }); xas_seq_add_event_on( seq, synth_r, (struct timeval){ 0, 0 }); xas_seq_add_set_position(seq, synth_l, (struct timeval){ 15, 0 }, (xas_spatial_coord){ -10.0, 0.0, 0.0 }); xas_seq_add_phrase(seq, voice, (struct timeval){ 10, 0 }, "I will eat your soul."); xas_seq_add_event_off(seq, synth_l, (struct timeval){ 60, 0 }); xas_seq_play(seq, wave); xas_seq_destroy(seq); xas_spatial_scene_destroy(scene); xas_audio_stream_destroy(wave); return EX_OK; error_spatial_scene_stream_new: error_spatial_scene_add_synth_r: error_spatial_scene_add_synth_l: error_spatial_scene_add_vox: xas_seq_destroy(seq); error_seq_new: xas_spatial_scene_destroy(scene); error_spatial_scene_new: xas_audio_stream_destroy(wave); error_riff_new_file: return EX_OSERR; }