/**@ingroup tmedia_consumer_group
* Initialize the consumer.
* @param self The consumer to initialize
* @retval Zero if succeed and non-zero error code otherwise.
*
* @sa @ref tmedia_consumer_deinit
*/
int tmedia_consumer_init(tmedia_consumer_t* self)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
self->video.in.chroma = TMEDIA_CONSUMER_CHROMA_DEFAULT;
self->video.display.chroma = TMEDIA_CONSUMER_CHROMA_DEFAULT;
self->audio.bits_per_sample = TMEDIA_CONSUMER_BITS_PER_SAMPLE_DEFAULT;
self->audio.ptime = tmedia_defaults_get_audio_ptime();
self->audio.volume = tmedia_defaults_get_volume();
return 0;
}
/**@ingroup tmedia_codec_group
* Initialize a Codec
* @param self The codec to initialize. Could be any type of codec (e.g. @ref tmedia_codec_audio_t or @ref tmedia_codec_video_t).
* @param type
* @param name the name of the codec. e.g. "G.711u" or "G.711a" etc used in the sdp.
* @param desc full description.
* @param format the format. e.g. "0" for G.711.u or "8" for G.711a or "*" for MSRP.
* @retval Zero if succeed and non-zero error code otherwise.
*/
int tmedia_codec_init(tmedia_codec_t* self, tmedia_type_t type, const char* name, const char* desc, const char* format)
{
if(!self || tsk_strnullORempty(name)) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
self->type = type;
tsk_strupdate(&self->name, name);
tsk_strupdate(&self->desc,desc);
tsk_strupdate(&self->format, format);
if(!self->bandwidth_max_upload) {
self->bandwidth_max_upload = (type == tmedia_video ? tmedia_defaults_get_bandwidth_video_upload_max() : INT_MAX); // INT_MAX or <=0 means undefined
}
if(!self->bandwidth_max_download) {
self->bandwidth_max_download = (type == tmedia_video ? tmedia_defaults_get_bandwidth_video_download_max() : INT_MAX); // INT_MAX or <=0 means undefined
}
if(!self->in.rate) {
self->in.rate = self->plugin->rate;
}
if(!self->out.rate) {
self->out.rate = self->plugin->rate;
}
if(type & tmedia_audio) {
tmedia_codec_audio_t* audio = TMEDIA_CODEC_AUDIO(self);
if(!audio->in.ptime) {
audio->in.ptime = (self->plugin->audio.ptime ? self->plugin->audio.ptime : tmedia_defaults_get_audio_ptime());
}
if(!audio->out.ptime) {
audio->out.ptime = (self->plugin->audio.ptime ? self->plugin->audio.ptime : tmedia_defaults_get_audio_ptime());
}
if(!audio->in.channels) {
audio->in.channels = self->plugin->audio.channels;
}
if(!audio->out.channels) {
audio->out.channels = self->plugin->audio.channels;
}
if(!audio->in.timestamp_multiplier) {
audio->in.timestamp_multiplier = tmedia_codec_audio_get_timestamp_multiplier(self->id, self->in.rate);
}
if(!audio->out.timestamp_multiplier) {
audio->out.timestamp_multiplier = tmedia_codec_audio_get_timestamp_multiplier(self->id, self->out.rate);
}
}
// Video flipping: For backward compatibility we have to initialize the default values
// according to the CFLAGS: 'FLIP_ENCODED_PICT' and 'FLIP_DECODED_PICT'. At any time you
// can update thse values (e.g. when the device switch from landscape to portrait) using video_session->set();
else if(type & tmedia_video) {
tmedia_codec_video_t* video = TMEDIA_CODEC_VIDEO(self);
#if FLIP_ENCODED_PICT
video->out.flip = tsk_true;
#endif
#if FLIP_DECODED_PICT
video->in.flip = tsk_true;
#endif
if(!video->in.fps) {
video->in.fps = self->plugin->video.fps ? self->plugin->video.fps : tmedia_defaults_get_video_fps();
}
if(!video->out.fps) {
video->out.fps = self->plugin->video.fps ? self->plugin->video.fps : tmedia_defaults_get_video_fps();
}
if(video->in.chroma == tmedia_chroma_none) {
video->in.chroma = tmedia_chroma_yuv420p;
}
if(video->out.chroma == tmedia_chroma_none) {
video->out.chroma = tmedia_chroma_yuv420p;
}
if(0) { // @deprecated
if(!video->in.width) {
video->in.width = video->out.width = self->plugin->video.width;
}
if(!video->in.height) {
video->in.height = video->out.height = self->plugin->video.height;
}
}
else {
int ret;
unsigned width, height;
video->pref_size = tmedia_defaults_get_pref_video_size();
if((ret = tmedia_video_get_size(video->pref_size, &width, &height)) != 0) {
width = self->plugin->video.width;
height = self->plugin->video.height;
}
if(!video->in.width) {
video->in.width = video->out.width = width;
}
if(!video->in.height) {
video->in.height = video->out.height = height;
}
}
}
return 0;
}
