CodecState *codec_init_session ( uint32_t audio_bitrate,
uint16_t audio_frame_duration,
uint32_t audio_sample_rate,
uint32_t audio_channels,
uint16_t video_width,
uint16_t video_height,
uint32_t video_bitrate )
{
CodecState *retu = calloc(sizeof(CodecState), 1);
assert(retu);
retu->audio_bitrate = audio_bitrate;
retu->audio_sample_rate = audio_sample_rate;
/* Encoders */
if (!video_width || !video_height) { /* Disable video */
/*video_width = 320;
video_height = 240; */
}
else {
retu->supported_actions |= ( 0 == init_video_encoder(retu, video_width, video_height, video_bitrate) ) ? v_encoding : 0;
retu->supported_actions |= ( 0 == init_video_decoder(retu) ) ? v_decoding : 0;
}
retu->supported_actions |= ( 0 == init_audio_encoder(retu, audio_channels) ) ? a_encoding : 0;
retu->supported_actions |= ( 0 == init_audio_decoder(retu, audio_channels) ) ? a_decoding : 0;
return retu;
}
CodecState *codec_init_session ( uint32_t audio_bitrate,
uint16_t audio_frame_duration,
uint32_t audio_sample_rate,
uint32_t audio_channels,
uint16_t video_width,
uint16_t video_height,
uint32_t video_bitrate )
{
CodecState *retu = calloc(sizeof(CodecState), 1);
if (!retu) return NULL;
retu->audio_bitrate = audio_bitrate;
retu->audio_sample_rate = audio_sample_rate;
/* Encoders */
if (!video_width || !video_height) { /* Disable video */
/*video_width = 320;
video_height = 240; */
} else {
retu->capabilities |= ( 0 == init_video_encoder(retu, video_width, video_height, video_bitrate) ) ? v_encoding : 0;
retu->capabilities |= ( 0 == init_video_decoder(retu) ) ? v_decoding : 0;
}
retu->capabilities |= ( 0 == init_audio_encoder(retu, audio_channels) ) ? a_encoding : 0;
retu->capabilities |= ( 0 == init_audio_decoder(retu, audio_channels) ) ? a_decoding : 0;
if ( retu->capabilities == 0 ) { /* everything failed */
free (retu);
return NULL;
}
return retu;
}
CSSession *cs_new(const ToxAvCSettings *cs_self, const ToxAvCSettings *cs_peer, uint32_t jbuf_size, int has_video)
{
CSSession *cs = calloc(sizeof(CSSession), 1);
if (!cs) {
LOGGER_WARNING("Allocation failed! Application might misbehave!");
return NULL;
}
if (create_recursive_mutex(cs->queue_mutex) != 0) {
LOGGER_WARNING("Failed to create recursive mutex!");
free(cs);
return NULL;
}
if ( !(cs->j_buf = jbuf_new(jbuf_size)) ) {
LOGGER_WARNING("Jitter buffer creaton failed!");
goto error;
}
cs->audio_encoder_bitrate = cs_self->audio_bitrate;
cs->audio_encoder_sample_rate = cs_self->audio_sample_rate;
cs->audio_encoder_channels = cs_self->audio_channels;
cs->audio_encoder_frame_duration = cs_self->audio_frame_duration;
cs->audio_decoder_bitrate = cs_peer->audio_bitrate;
cs->audio_decoder_sample_rate = cs_peer->audio_sample_rate;
cs->audio_decoder_channels = cs_peer->audio_channels;
cs->audio_decoder_frame_duration = cs_peer->audio_frame_duration;
cs->capabilities |= ( 0 == init_audio_encoder(cs) ) ? cs_AudioEncoding : 0;
cs->capabilities |= ( 0 == init_audio_decoder(cs) ) ? cs_AudioDecoding : 0;
if ( !(cs->capabilities & cs_AudioEncoding) || !(cs->capabilities & cs_AudioDecoding) ) goto error;
if ((cs->support_video = has_video)) {
cs->max_video_frame_size = MAX_VIDEOFRAME_SIZE;
cs->video_frame_piece_size = VIDEOFRAME_PIECE_SIZE;
cs->capabilities |= ( 0 == init_video_encoder(cs, cs_self->max_video_width,
cs_self->max_video_height, cs_self->video_bitrate) ) ? cs_VideoEncoding : 0;
cs->capabilities |= ( 0 == init_video_decoder(cs) ) ? cs_VideoDecoding : 0;
if ( !(cs->capabilities & cs_VideoEncoding) || !(cs->capabilities & cs_VideoDecoding) ) goto error;
if ( !(cs->frame_buf = calloc(cs->max_video_frame_size, 1)) ) goto error;
if ( !(cs->split_video_frame = calloc(cs->video_frame_piece_size + VIDEOFRAME_HEADER_SIZE, 1)) )
goto error;
if ( !(cs->vbuf_raw = buffer_new(VIDEO_DECODE_BUFFER_SIZE)) ) goto error;
}
return cs;
error:
LOGGER_WARNING("Error initializing codec session! Application might misbehave!");
pthread_mutex_destroy(cs->queue_mutex);
if ( cs->audio_encoder ) opus_encoder_destroy(cs->audio_encoder);
if ( cs->audio_decoder ) opus_decoder_destroy(cs->audio_decoder);
if (has_video) {
if ( cs->capabilities & cs_VideoDecoding ) vpx_codec_destroy(&cs->v_decoder);
if ( cs->capabilities & cs_VideoEncoding ) vpx_codec_destroy(&cs->v_encoder);
buffer_free(cs->vbuf_raw);
free(cs->frame_buf);
free(cs->split_video_frame);
}
jbuf_free(cs->j_buf);
free(cs);
return NULL;
}
