diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/Makefile | 2 | ||||
| -rw-r--r-- | examples/script.c | 125 |
2 files changed, 126 insertions, 1 deletions
diff --git a/examples/Makefile b/examples/Makefile index 7f2b2bf..b167416 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -8,7 +8,7 @@ LIBNAME = xas CFLAGS += -I$(INCLUDE_PATH) LDFLAGS += -L../src -l$(LIBNAME) -lm -EXAMPLES = test open say spatial +EXAMPLES = test open say spatial script all: $(EXAMPLES) diff --git a/examples/script.c b/examples/script.c new file mode 100644 index 0000000..f9faccc --- /dev/null +++ b/examples/script.c @@ -0,0 +1,125 @@ +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <sysexits.h> +#include <fcntl.h> +#include <math.h> + +#include <xas/vox.h> +#include <xas/audio.h> +#include <xas/riff.h> +#include <xas/spatial.h> +#include <xas/script.h> + +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_script *script; + + 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 ((script = xas_script_new(scene, buffer_size)) == NULL) { + goto error_script_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_script_add_set_frequency(script, synth_l, (struct timeval){ 0, 0 }, 220); + xas_script_add_event_on( script, synth_l, (struct timeval){ 0, 0 }); + xas_script_add_event_off(script, synth_l, (struct timeval){ 60, 0 }); + + xas_script_destroy(script); + 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_script_destroy(script); + +error_script_new: + xas_spatial_scene_destroy(scene); + +error_spatial_scene_new: + xas_audio_stream_destroy(wave); + +error_riff_new_file: + return EX_OSERR; +} |