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RTC: Extract video to bridger

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This commit is contained in:
winlin 2020-05-13 15:15:57 +08:00
parent 8efbdec2af
commit e446cf466f
2 changed files with 40 additions and 1 deletions
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38
trunk/src/app/srs_app_rtc_source.cpp
View file

@ -476,6 +476,7 @@ SrsRtcFromRtmpBridger::SrsRtcFromRtmpBridger(SrsRtcSource* source)
rtc = new SrsRtc();
codec = new SrsAudioRecode(kChannel, kSamplerate);
discard_aac = false;
discard_bframe = false;
}
SrsRtcFromRtmpBridger::~SrsRtcFromRtmpBridger()
@ -506,7 +507,8 @@ srs_error_t SrsRtcFromRtmpBridger::initialize(SrsRequest* r)
// TODO: FIXME: Support reload and log it.
discard_aac = _srs_config->get_rtc_aac_discard(req->vhost);
srs_trace("RTC bridge from RTMP, discard_aac=%d", discard_aac);
discard_bframe = _srs_config->get_rtc_bframe_discard(req->vhost);
srs_trace("RTC bridge from RTMP, discard_aac=%d, discard_bframe=%d", discard_aac, discard_bframe);
return err;
}
@ -676,3 +678,37 @@ srs_error_t SrsRtcFromRtmpBridger::on_video(SrsSharedPtrMessage* msg)
return source_->on_video_imp(msg);
}
srs_error_t SrsRtcFromRtmpBridger::filter(SrsSharedPtrMessage* shared_frame, SrsFormat* format)
{
srs_error_t err = srs_success;
// If IDR, we will insert SPS/PPS before IDR frame.
if (format->video && format->video->has_idr) {
shared_frame->set_has_idr(true);
}
// Update samples to shared frame.
for (int i = 0; i < format->video->nb_samples; ++i) {
SrsSample* sample = &format->video->samples[i];
// Because RTC does not support B-frame, so we will drop them.
// TODO: Drop B-frame in better way, which not cause picture corruption.
if (discard_bframe) {
if ((err = sample->parse_bframe()) != srs_success) {
return srs_error_wrap(err, "parse bframe");
}
if (sample->bframe) {
continue;
}
}
}
if (format->video->nb_samples <= 0) {
return err;
}
shared_frame->set_samples(format->video->samples, format->video->nb_samples);
return err;
}

3
trunk/src/app/srs_app_rtc_source.hpp
View file

@ -179,6 +179,7 @@ private:
private:
bool discard_aac;
SrsAudioRecode* codec;
bool discard_bframe;
// rtc handler
SrsRtc* rtc;
public:
@ -195,6 +196,8 @@ private:
srs_error_t transcode(SrsSharedPtrMessage* shared_audio, char* adts_audio, int nn_adts_audio);
public:
virtual srs_error_t on_video(SrsSharedPtrMessage* video);
private:
srs_error_t filter(SrsSharedPtrMessage* shared_video, SrsFormat* format);
};
#endif