int MediaBridgeSession::SendVideo()
{
VideoDecoder *decoder = VideoCodecFactory::CreateDecoder(VideoCodec::SORENSON);
VideoEncoder *encoder = VideoCodecFactory::CreateEncoder(rtpVideoCodec);
DWORD width = 0;
DWORD height = 0;
DWORD numpixels = 0;
QWORD lastVideoTs = 0;
Log(">SendVideo\n");
//Set video format
if (!rtpVideo.SetSendingCodec(rtpVideoCodec))
//Error
return Error("Peer do not support [%d,%s]\n",rtpVideoCodec,VideoCodec::GetNameFor(rtpVideoCodec));
//While sending video
while (sendingVideo)
{
//Wait for next video
if (!videoFrames.Wait(0))
//Check again
continue;
//Get audio grame
RTMPVideoFrame* video = videoFrames.Pop();
//check
if (!video)
//Again
continue;
//Get time difference
DWORD diff = 0;
//Get timestam
QWORD ts = video->GetTimestamp();
//If it is not the first frame
if (lastVideoTs)
//Calculate it
diff = ts - lastVideoTs;
//Set the last audio timestamp
lastVideoTs = ts;
//Check
if (video->GetVideoCodec()!=RTMPVideoFrame::FLV1)
//Error
continue;
//Decode frame
if (!decoder->Decode(video->GetMediaData(),video->GetMediaSize()))
{
Error("decode packet error");
//Next
continue;
}
//Check size
if (decoder->GetWidth()!=width || decoder->GetHeight()!=height)
{
//Get dimension
width = decoder->GetWidth();
height = decoder->GetHeight();
//Set size
numpixels = width*height*3/2;
//Set also frame rate and bps
encoder->SetFrameRate(25,300,500);
//Set them in the encoder
encoder->SetSize(width,height);
}
//Check size
if (!numpixels)
{
Error("numpixels equals 0");
//Next
continue;
}
//Check fpu
if (sendFPU)
{
//Send it
encoder->FastPictureUpdate();
//Reset
sendFPU = false;
}
//Encode it
VideoFrame *videoFrame = encoder->EncodeFrame(decoder->GetFrame(),numpixels);
//If was failed
if (!videoFrame)
{
Log("No video frame\n");
//Next
continue;
}
//Set frame time
videoFrame->SetTimestamp(diff);
//Send it smoothly
smoother.SendFrame(videoFrame,diff);
//Delete video frame
delete(video);
}
Log("<SendVideo\n");
return 1;
}
Vdec_ReturnType vdec_post_input_buffer(struct VDecoder *dec, video_input_frame_info *frame, void *cookie)
{
QTV_MSG_PRIO3(QTVDIAG_GENERAL,QTVDIAG_PRIO_LOW,"vdec: post_input data=%p len=%d cookie=%p\n", frame->data, frame->len, cookie);
#ifdef LOG_INPUT_BUFFERS
static int take_input = 1;
#endif
int fatal_err = 0;
/*checkBufAvail flag is needed since we do not need to checkout
* YUV/Slice buffer incase the NAL corresponds to same frame.
* This is required for multiple NALs in one input buffer
*/
bool checkBufAvail = true;
VDEC_INPUT_BUFFER input;
VideoDecoder *pDec = (VideoDecoder*)(dec->core);
VDEC_ERROR err = VDEC_ERR_EVERYTHING_FINE;
if (NULL == dec || NULL == frame || NULL == frame->data )
{
QTV_MSG_PRIO3(QTVDIAG_GENERAL,QTVDIAG_PRIO_ERROR,"vdec: error: encountered NULL parameter dec: 0x%x frame: 0x%x data: 0x%x\n",
(unsigned int)dec,
(unsigned int)frame,
(unsigned int)frame->data);
return VDEC_EFAILED;
}
input.buffer[0] = (unsigned char*)frame->data;
input.timestamp[0] = (long long)frame->timestamp;
input.buffer_size[0] = (unsigned long int)frame->len;
input.buffer_pos[0] = 0;
input.layers = 1;
input.eOSIndicator[0]= false;
QTV_MSG_PRIO1(QTVDIAG_GENERAL,QTVDIAG_PRIO_MED,"vdec: received ts: %lld", frame->timestamp);
if (frame->timestamp < timestamp )
{
QTV_MSG_PRIO2(QTVDIAG_GENERAL,QTVDIAG_PRIO_MED,"vdec: error: out of order stamp! %d < %d\n",
(int)(frame->timestamp&0xFFFFFFFF), timestamp);
}
timestamp = (int)frame->timestamp;
QTV_MSG_PRIO2(QTVDIAG_GENERAL,QTVDIAG_PRIO_MED,"vdec: vdec_core_post_input. buffer_size[0]: %ld frame->flags: 0x%x\n",
input.buffer_size[0], frame->flags);
if (input.buffer_size[0] == 0 && frame->flags & FRAME_FLAG_EOS)
{
QTV_MSG_PRIO(QTVDIAG_GENERAL,QTVDIAG_PRIO_LOW,"vdec: Zero-length buffer with EOS bit set\n");
input.eOSIndicator[0] = true;
if(pDec)
err = pDec->EOS( );
else
err = VDEC_ERR_NULL_STREAM_ID;
if(VDEC_ERR_OUT_OF_BUFFERS == err) return VDEC_EOUTOFBUFFERS;
vdec_decoder_info->ctxt->buffer_done(vdec_decoder_info->ctxt, cookie);
if (VDEC_ERR_EVERYTHING_FINE == err) return VDEC_SUCCESS;
return VDEC_EFAILED;
}
QTV_MSG_PRIO(QTVDIAG_GENERAL,QTVDIAG_PRIO_LOW,"vdec: vdec_core_post_input\n");
#ifdef LOG_INPUT_BUFFERS
if (take_input)
{
fwritex((unsigned char*)frame->data, frame->len, pInputFile);
QTV_MSG_PRIO2(QTVDIAG_GENERAL,QTVDIAG_PRIO_HIGH,"vdec: frame %d frame->len %d\n", counter++, frame->len);
}
#endif
do {
QPERF_TIME(arm_decode, err = pDec->Decode( &input, checkBufAvail ));
if (VDEC_ERR_EVERYTHING_FINE != err)
{
QTV_MSG_PRIO1(QTVDIAG_GENERAL,QTVDIAG_PRIO_HIGH,"vdec: vdec_decoder error: %d\n", (int)err);
if(VDEC_ERR_UNSUPPORTED_DIMENSIONS == err) {
fatal_err = 1;
break;
}
}
checkBufAvail = false;
} while( ( VDEC_ERR_EVERYTHING_FINE == err ) && ( 0 != input.buffer_size[0] ) );
#ifdef LOG_INPUT_BUFFERS
take_input = (err==14?0:1);
#endif
if(VDEC_ERR_OUT_OF_BUFFERS == err) return VDEC_EOUTOFBUFFERS;
vdec_input_buffer_release_cb_handler(pDec,&input,cookie);
if(VDEC_ERR_EVERYTHING_FINE == err) return VDEC_SUCCESS;
if(fatal_err) {
static struct vdec_frame frame;
memset(&frame, 0, sizeof(frame));
frame.flags |= FRAME_FLAG_FATAL_ERROR;
QPERF_END(frame_data);
vdec_decoder_info->ctxt->frame_done(vdec_decoder_info->ctxt, &frame);
}
return VDEC_EFAILED;
}
