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use new clear_unwanted_packets and a clearQueue version that keeps the approprate # of frames

This commit is contained in:
Isaac Connor 2017-04-12 13:38:12 -04:00
parent 954c863ad8
commit 8efeb41f7d
1 changed files with 15 additions and 15 deletions
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30
src/zm_ffmpeg_camera.cpp
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@ -224,8 +224,7 @@ int FfmpegCamera::Capture( Image &image )
return (0);
} // FfmpegCamera::Capture
int FfmpegCamera::PostCapture()
{
int FfmpegCamera::PostCapture() {
// Nothing to do here
return( 0 );
}
@ -301,7 +300,7 @@ int FfmpegCamera::OpenFfmpeg() {
#endif
Fatal( "Unable to find stream info from %s due to: %s", mPath.c_str(), strerror(errno) );
startTime=av_gettime();//FIXME here or after find_Stream_info
startTime = av_gettime();//FIXME here or after find_Stream_info
Debug ( 1, "Got stream info" );
// Find first video stream present
@ -333,7 +332,7 @@ int FfmpegCamera::OpenFfmpeg() {
Debug(2, "Have another audio stream." );
}
}
}
} // end foreach stream
if ( mVideoStreamId == -1 )
Fatal( "Unable to locate video stream in %s", mPath.c_str() );
if ( mAudioStreamId == -1 )
@ -431,7 +430,7 @@ int FfmpegCamera::OpenFfmpeg() {
Fatal( "You must compile ffmpeg with the --enable-swscale option to use ffmpeg cameras" );
#endif // HAVE_LIBSWSCALE
if ( mVideoCodecContext->width != width || mVideoCodecContext->height != height ) {
if ( (unsigned int)mVideoCodecContext->width != width || (unsigned int)mVideoCodecContext->height != height ) {
Warning( "Monitor dimensions are %dx%d but camera is sending %dx%d", width, height, mVideoCodecContext->width, mVideoCodecContext->height );
}
@ -534,7 +533,7 @@ void *FfmpegCamera::ReopenFfmpegThreadCallback(void *ctx){
}
//Function to handle capture and store
int FfmpegCamera::CaptureAndRecord( Image &image, bool recording, char* event_file ) {
int FfmpegCamera::CaptureAndRecord( Image &image, timeval recording, char* event_file ) {
if (!mCanCapture){
return -1;
}
@ -554,19 +553,15 @@ int FfmpegCamera::CaptureAndRecord( Image &image, bool recording, char* event_fi
mReopenThread = 0;
}
if (mVideoCodecContext->codec_id != AV_CODEC_ID_H264) {
Error( "Input stream is not h264. The stored event file may not be viewable in browser." );
}
int frameComplete = false;
while ( !frameComplete ) {
Debug(5, "Before av_init_packe");
while ( ! frameComplete ) {
av_init_packet( &packet );
Debug(5, "Before av_read_frame");
ret = av_read_frame( mFormatContext, &packet );
Debug(5, "After av_read_frame (%d)", ret );
if ( ret < 0 ) {
av_strerror( ret, errbuf, AV_ERROR_MAX_STRING_SIZE );
if (
@ -591,7 +586,7 @@ Debug(5, "After av_read_frame (%d)", ret );
);
//Video recording
if ( recording ) {
if ( recording.tv_sec ) {
// The directory we are recording to is no longer tied to the current event.
// Need to re-init the videostore with the correct directory and start recording again
// for efficiency's sake, we should test for keyframe before we test for directory change...
@ -612,9 +607,9 @@ Debug(5, "After av_read_frame (%d)", ret );
delete videoStore;
videoStore = NULL;
}
} // end if end of recording
if ( ( ! videoStore )&& key_frame && ( packet.stream_index == mVideoStreamId ) ) {
if ( ( ! videoStore ) && key_frame && ( packet.stream_index == mVideoStreamId ) ) {
//Instantiate the video storage module
if (record_audio) {
@ -645,10 +640,15 @@ Debug(5, "After av_read_frame (%d)", ret );
strcpy(oldDirectory, event_file);
// Need to write out all the frames from the last keyframe?
// No... need to write out all frames from when the event began. Due to PreEventFrames, this could be more than since the last keyframe.
unsigned int packet_count = 0;
ZMPacket *queued_packet;
packetqueue.clear_unwanted_packets( &recording, mVideoStreamId );
while ( ( queued_packet = packetqueue.popPacket() ) ) {
AVPacket *avp = queued_packet->av_packet();
packet_count += 1;
//Write the packet to our video store
Debug(2, "Writing queued packet stream: %d KEY %d, remaining (%d)", avp->stream_index, avp->flags & AV_PKT_FLAG_KEY, packetqueue.size() );
@ -681,7 +681,7 @@ Debug(5, "After av_read_frame (%d)", ret );
if ( packet.stream_index == mVideoStreamId) {
if ( key_frame ) {
Debug(3, "Clearing queue");
packetqueue.clearQueue();
packetqueue.clearQueue( monitor->GetPreEventCount(), mVideoStreamId );
}
#if 0
// Not sure this is valid. While a camera will PROBABLY always have an increasing pts... it doesn't have to.