static void ffmpeg_source_start(struct ffmpeg_source *s)
{
if (s->demuxer != NULL)
ff_demuxer_free(s->demuxer);
s->demuxer = ff_demuxer_init();
s->demuxer->options.is_hw_decoding = s->is_hw_decoding;
s->demuxer->options.is_looping = s->is_looping;
ff_demuxer_set_callbacks(&s->demuxer->video_callbacks,
video_frame, NULL,
NULL, NULL, NULL, s);
ff_demuxer_set_callbacks(&s->demuxer->audio_callbacks,
audio_frame, NULL,
NULL, NULL, NULL, s);
if (s->is_advanced) {
s->demuxer->options.audio_frame_queue_size =
s->audio_buffer_size;
s->demuxer->options.video_frame_queue_size =
s->video_buffer_size;
s->demuxer->options.frame_drop = s->frame_drop;
}
ff_demuxer_open(s->demuxer, s->input, s->input_format);
}
static void ffmpeg_source_destroy(void *data)
{
struct ffmpeg_source *s = data;
ff_demuxer_free(s->demuxer);
if (s->sws_ctx != NULL)
sws_freeContext(s->sws_ctx);
if (s->sws_data != NULL)
bfree(s->sws_data);
bfree(s);
}
static void ffmpeg_source_deactivate(void *data)
{
struct ffmpeg_source *s = data;
if (s->restart_on_activate) {
if (s->demuxer != NULL) {
ff_demuxer_free(s->demuxer);
s->demuxer = NULL;
if (s->is_clear_on_media_end)
obs_source_output_video(s->source, NULL);
}
}
}
static void ffmpeg_source_update(void *data, obs_data_t *settings)
{
struct ffmpeg_source *s = data;
bool is_local_file = obs_data_get_bool(settings, "is_local_file");
bool is_advanced = obs_data_get_bool(settings, "advanced");
bool is_looping;
char *input;
char *input_format;
if (is_local_file) {
input = (char *)obs_data_get_string(settings, "local_file");
input_format = NULL;
is_looping = obs_data_get_bool(settings, "looping");
} else {
input = (char *)obs_data_get_string(settings, "input");
input_format = (char *)obs_data_get_string(settings,
"input_format");
is_looping = false;
}
s->is_forcing_scale = obs_data_get_bool(settings, "force_scale");
s->is_hw_decoding = obs_data_get_bool(settings, "hw_decode");
s->is_clear_on_media_end = obs_data_get_bool(settings,
"clear_on_media_end");
if (s->demuxer != NULL)
ff_demuxer_free(s->demuxer);
s->demuxer = ff_demuxer_init();
s->demuxer->options.is_hw_decoding = s->is_hw_decoding;
s->demuxer->options.is_looping = is_looping;
if (is_advanced) {
int audio_buffer_size = (int)obs_data_get_int(settings,
"audio_buffer_size");
int video_buffer_size = (int)obs_data_get_int(settings,
"video_buffer_size");
enum AVDiscard frame_drop =
(enum AVDiscard)obs_data_get_int(settings,
"frame_drop");
if (audio_buffer_size < 1) {
audio_buffer_size = 1;
FF_BLOG(LOG_WARNING, "invalid audio_buffer_size %d",
audio_buffer_size);
}
if (video_buffer_size < 1) {
video_buffer_size = 1;
FF_BLOG(LOG_WARNING, "invalid audio_buffer_size %d",
audio_buffer_size);
}
s->demuxer->options.audio_frame_queue_size = audio_buffer_size;
s->demuxer->options.video_frame_queue_size = video_buffer_size;
if (frame_drop < AVDISCARD_NONE || frame_drop > AVDISCARD_ALL) {
frame_drop = AVDISCARD_NONE;
FF_BLOG(LOG_WARNING, "invalid frame_drop %d",
frame_drop);
}
s->demuxer->options.frame_drop = frame_drop;
}
ff_demuxer_set_callbacks(&s->demuxer->video_callbacks,
video_frame, NULL,
NULL, NULL, NULL, s);
ff_demuxer_set_callbacks(&s->demuxer->audio_callbacks,
audio_frame, NULL,
NULL, NULL, NULL, s);
dump_source_info(s, input, input_format, is_advanced);
ff_demuxer_open(s->demuxer, input, input_format);
}