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This commit is contained in:
Isaac Connor 2017-05-20 09:03:04 -04:00
parent 381d44439a
commit dba947346a
2 changed files with 43 additions and 35 deletions
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74
src/zm_rtp_source.cpp
View File

@ -64,7 +64,7 @@ RtpSource::RtpSource( int id, const std::string &localHost, int localPortBase, c
mLastSrTimeReal = tvZero();
mLastSrTimeNtp = tvZero();
mLastSrTimeRtp = 0;
if(mCodecId != AV_CODEC_ID_H264 && mCodecId != AV_CODEC_ID_MPEG4)
Warning( "The device is using a codec that may not be supported. Do not be surprised if things don't work." );
}
@ -120,7 +120,7 @@ bool RtpSource::updateSeq( uint16_t seq )
{
if ( uDelta == 1 )
{
Debug( 3, "Packet in sequence, gap %d", uDelta );
Debug( 4, "Packet in sequence, gap %d", uDelta );
}
else
{
@ -198,7 +198,7 @@ void RtpSource::updateRtcpData( uint32_t ntpTimeSecs, uint32_t ntpTimeFrac, uint
struct timeval ntpTime = tvMake( ntpTimeSecs, suseconds_t((USEC_PER_SEC*(ntpTimeFrac>>16))/(1<<16)) );
Debug( 5, "ntpTime: %ld.%06ld, rtpTime: %x", ntpTime.tv_sec, ntpTime.tv_usec, rtpTime );
if ( mBaseTimeNtp.tv_sec == 0 )
{
mBaseTimeReal = tvNow();
@ -276,54 +276,55 @@ bool RtpSource::handlePacket( const unsigned char *packet, size_t packetLen )
if ( mFrameGood )
{
int extraHeader = 0;
if( mCodecId == AV_CODEC_ID_H264 )
{
int nalType = (packet[rtpHeaderSize] & 0x1f);
Debug( 3, "Have H264 frame: nal type is %d", nalType );
switch (nalType)
{
case 24: // STAP-A
{
extraHeader = 2;
break;
}
{
extraHeader = 2;
break;
}
case 25: // STAP-B
case 26: // MTAP-16
case 27: // MTAP-24
{
extraHeader = 3;
break;
}
// FU-A and FU-B
case 28: case 29:
{
// Is this NAL the first NAL in fragmentation sequence
if ( packet[rtpHeaderSize+1] & 0x80 )
{
// Now we will form new header of frame
mFrame.append( "\x0\x0\x1\x0", 4 );
// Reconstruct NAL header from FU headers
*(mFrame+3) = (packet[rtpHeaderSize+1] & 0x1f) |
(packet[rtpHeaderSize] & 0xe0);
extraHeader = 3;
break;
}
// FU-A and FU-B
case 28: case 29:
{
// Is this NAL the first NAL in fragmentation sequence
if ( packet[rtpHeaderSize+1] & 0x80 )
{
// Now we will form new header of frame
mFrame.append( "\x0\x0\x1\x0", 4 );
// Reconstruct NAL header from FU headers
*(mFrame+3) = (packet[rtpHeaderSize+1] & 0x1f) |
(packet[rtpHeaderSize] & 0xe0);
}
extraHeader = 2;
break;
}
default:
{
Debug(3, "Unhandled nalType %d", nalType );
}
extraHeader = 2;
break;
}
default: {
Debug(3, "Unhandled nalType %d", nalType );
}
}
// Append NAL frame start code
if ( !mFrame.size() )
mFrame.append( "\x0\x0\x1", 3 );
}
mFrame.append( packet+rtpHeaderSize+extraHeader, packetLen-rtpHeaderSize-extraHeader );
} else {
Debug( 3, "NOT H264 frame: type is %d", mCodecId );
} else {
Debug( 3, "NOT H264 frame: type is %d", mCodecId );
}
Hexdump( 4, mFrame.head(), 16 );
@ -332,12 +333,15 @@ bool RtpSource::handlePacket( const unsigned char *packet, size_t packetLen )
{
if ( mFrameGood )
{
Debug( 2, "Got new frame %d, %d bytes", mFrameCount, mFrame.size() );
Debug( 3, "Got new frame %d, %d bytes", mFrameCount, mFrame.size() );
mFrameProcessed.setValueImmediate( false );
mFrameReady.updateValueSignal( true );
if ( !mFrameProcessed.getValueImmediate() )
{
// What is the point of this for loop? Is it just me, or will it call getUpdatedValue once or twice? Could it not be better written as
// if ( ! mFrameProcessed.getUpdatedValue( 1 ) && mFrameProcessed.getUpdatedValue( 1 ) ) return false;
for ( int count = 0; !mFrameProcessed.getUpdatedValue( 1 ); count++ )
if( count > 1 )
return( false );
@ -390,7 +394,7 @@ bool RtpSource::getFrame( Buffer &buffer )
buffer = mFrame;
mFrameReady.setValueImmediate( false );
mFrameProcessed.updateValueSignal( true );
Debug( 3, "Copied %d bytes", buffer.size() );
Debug( 4, "Copied %d bytes", buffer.size() );
return( true );
}

4
src/zm_video.cpp
View File

@ -70,7 +70,11 @@ X264MP4Writer::X264MP4Writer(const char* p_path, const unsigned int p_width, con
/* Calculate the image sizes. We will need this for parameter checking */
zm_imgsize = colours * width * height;
#if LIBAVUTIL_VERSION_CHECK(54, 6, 0, 6, 0)
codec_imgsize = av_image_get_buffer_size( codec_pf, width, height, 1 );
#else
codec_imgsize = avpicture_get_size( codec_pf, width, height);
#endif
if(!codec_imgsize) {
Error("Failed calculating codec pixel format image size");
}