diff options
Diffstat (limited to 'src/script.c')
| -rw-r--r-- | src/script.c | 361 |
1 files changed, 0 insertions, 361 deletions
diff --git a/src/script.c b/src/script.c deleted file mode 100644 index 4bd69b1..0000000 --- a/src/script.c +++ /dev/null @@ -1,361 +0,0 @@ -#include <stdlib.h> -#include <string.h> - -#include <xas/object.h> -#include <xas/bank.h> -#include <xas/synth.h> -#include <xas/vox.h> -#include <xas/script.h> - -xas_script *xas_script_new(xas_spatial_scene *scene, size_t buffer_size) { - xas_script *script; - - if ((script = malloc(sizeof(*script))) == NULL) { - goto error_malloc_script; - } - - script->scene = scene; - script->first = NULL; - script->buffer_size = buffer_size; - - return script; - -error_malloc_script: - return NULL; -} - -void xas_script_destroy(xas_script *script) { - xas_script_event *event = script->first; - - while (event) { - xas_script_event *next = event->next; - - free(event); - - event = next; - } - - free(script); -} - -static void add_event(xas_script *script, xas_script_event *ev) { - xas_script_event *current = script->first; - - if (script->first == NULL) { - script->first = ev; - - return; - } - - while (current) { - xas_script_event *next = current->next; - - if (next == NULL) { - current->next = ev; - - return; - } - - if (timercmp(&ev->timestamp, ¤t->timestamp, >=) - && timercmp(&ev->timestamp, &next->timestamp, <)) { - current->next = ev; - ev->next = next; - - return; - } - - current = next; - } -} - -int xas_script_add_event_off(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_OFF; - ev->objtype = XAS_SCRIPT_OBJECT_ANY; - ev->object = object; - ev->timestamp = timestamp; - ev->next = NULL; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -int xas_script_add_event_on(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_ON; - ev->objtype = XAS_SCRIPT_OBJECT_ANY; - ev->object = object; - ev->timestamp = timestamp; - ev->next = NULL; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -int xas_script_add_set_position(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp, - xas_spatial_coord point) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_SET_POSITION; - ev->objtype = XAS_SCRIPT_OBJECT_ANY; - ev->object = object; - ev->timestamp = timestamp; - ev->point = point; - ev->next = NULL; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -int xas_script_add_set_gain(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp, - float gain) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_ON; - ev->objtype = XAS_SCRIPT_OBJECT_ANY; - ev->object = object; - ev->timestamp = timestamp; - ev->gain = gain; - ev->next = NULL; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -int xas_script_add_set_bank(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp, - size_t index) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_SET_BANK_INDEX; - ev->objtype = XAS_SCRIPT_OBJECT_BANK_PLAYER; - ev->object = object; - ev->timestamp = timestamp; - ev->next = NULL; - ev->index = index; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -int xas_script_add_set_frequency(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp, - size_t frequency) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_SET_FREQUENCY; - ev->objtype = XAS_SCRIPT_OBJECT_SYNTH; - ev->object = object; - ev->timestamp = timestamp; - ev->next = NULL; - ev->frequency = frequency; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -int xas_script_add_phrase(xas_script *script, - xas_spatial_object *object, - struct timeval timestamp, - const char *phrase) { - xas_script_event *ev; - - if ((ev = malloc(sizeof(*ev))) == NULL) { - goto error_malloc_ev; - } - - ev->type = XAS_SCRIPT_EVENT_SPEECH; - ev->objtype = XAS_SCRIPT_OBJECT_VOX; - ev->object = object; - ev->timestamp = timestamp; - ev->next = NULL; - ev->phrase = phrase; - - add_event(script, ev); - - return 0; - -error_malloc_ev: - return -1; -} - -static int event_trigger(xas_spatial_scene *scene, xas_script_event *ev) { - switch (ev->type) { - case XAS_SCRIPT_EVENT_OFF: - return xas_spatial_object_stop(ev->object); - - case XAS_SCRIPT_EVENT_ON: - return xas_spatial_object_start(ev->object); - - case XAS_SCRIPT_EVENT_SET_POSITION: - xas_spatial_scene_position_object(scene, - ev->object, - ev->point); - - break; - - case XAS_SCRIPT_EVENT_SET_GAIN: - xas_object_set_gain(ev->object->ctx, ev->gain); - - break; - - case XAS_SCRIPT_EVENT_SET_FREQUENCY: - if (ev->objtype != XAS_SCRIPT_OBJECT_SYNTH) { - goto error_invalid_event; - } - - xas_synth_set_frequency(ev->object->ctx, ev->frequency); - - break; - - case XAS_SCRIPT_EVENT_SET_BANK_INDEX: - if (ev->objtype != XAS_SCRIPT_OBJECT_BANK_PLAYER) { - goto error_invalid_event; - } - - xas_bank_player_set_entry(ev->object->ctx, ev->gain); - - break; - - case XAS_SCRIPT_EVENT_SPEECH: - if (ev->objtype != XAS_SCRIPT_OBJECT_VOX) { - goto error_invalid_event; - } - - xas_vox_say(ev->object->ctx, ev->phrase); - xas_vox_generate(ev->object->ctx); - - break; - } - - return 0; - -error_invalid_event: - return -1; -} - -static inline void timerupdate(struct timeval *tv, - suseconds_t interval, - size_t frame) { - suseconds_t usec = frame * interval; - - tv->tv_sec = usec / 1000000; - tv->tv_usec = usec % 1000000; -} - -int xas_script_play(xas_script *script, xas_audio_stream *sink) { - xas_script_event *ev = script->first; - xas_audio_stream *source; - - size_t frame = 0, - sample_rate = script->scene->format.sample_rate, - buffer_size = script->buffer_size; - - suseconds_t interval = 1000000 / (sample_rate / buffer_size); - - int16_t *samples; - - if ((source = xas_spatial_scene_stream_new(script->scene, - script->buffer_size)) == NULL) { - goto error_spatial_scene_stream_new; - } - - while (ev) { - struct timeval tv; - - ssize_t readlen; - - timerupdate(&tv, interval, frame); - - while (ev && !timercmp(&tv, &ev->timestamp, <)) { - if (event_trigger(script->scene, ev) < 0) { - goto error_event_trigger; - } - - ev = ev->next; - } - - if ((readlen = xas_audio_stream_read(source, - (void **)&samples, - buffer_size)) < 0) { - goto error_audio_stream_io; - } else if (readlen == 0) { - break; - } - - if (xas_audio_stream_write(sink, samples, readlen) < 0) { - goto error_audio_stream_io; - } - - frame++; - } - - return frame * buffer_size; - -error_audio_stream_io: -error_event_trigger: - xas_audio_stream_destroy(source); - -error_spatial_scene_stream_new: - return -1; -} |