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stash refactor in zm_remote_camera_rtsp

This commit is contained in:
Isaac Connor 2016-09-01 10:10:03 -04:00
parent 17e7f0ecfb
commit f723e29b33
1 changed files with 80 additions and 82 deletions
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120
src/zm_remote_camera_rtsp.cpp
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@ -58,7 +58,6 @@ RemoteCameraRtsp::RemoteCameraRtsp( unsigned int p_monitor_id, const std::string
mRawFrame = NULL;
mFrame = NULL;
frameCount = 0;
wasRecording = false;
startTime=0;
#if HAVE_LIBSWSCALE
@ -402,19 +401,48 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
uint8_t* directbuffer;
int frameComplete = false;
/* Request a writeable buffer of the target image */
directbuffer = image.WriteBuffer(width, height, colours, subpixelorder);
if(directbuffer == NULL) {
Error("Failed requesting writeable buffer for the captured image.");
return (-1);
}
while ( true ) {
// WHY Are we clearing it? Might be something good in it.
buffer.clear();
if ( !rtspThread->isRunning() )
return (-1);
//Video recording
if ( recording ) {
// 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
// Not sure why we are only doing this on keyframe, al
if ( videoStore && (strcmp(oldDirectory, event_file)!=0) ) {
//don't open new videostore until we're on a key frame..would this require an offset adjustment for the event as a result?...if we store our key frame location with the event will that be enough?
Info("Re-starting video storage module");
if ( videoStore ) {
delete videoStore;
videoStore = NULL;
}
} // end if changed to new event
if ( ! videoStore ) {
//Instantiate the video storage module
videoStore = new VideoStore((const char *)event_file, "mp4",
mFormatContext->streams[mVideoStreamId],
mAudioStreamId==-1?NULL:mFormatContext->streams[mAudioStreamId],
startTime,
this->getMonitor()->getOrientation() );
strcpy(oldDirectory, event_file);
} // end if ! videoStore
} else {
if ( videoStore ) {
Info("Deleting videoStore instance");
delete videoStore;
videoStore = NULL;
}
} // end if recording or not
if ( rtspThread->getFrame( buffer ) ) {
Debug( 3, "Read frame %d bytes", buffer.size() );
Debug( 4, "Address %p", buffer.head() );
@ -423,7 +451,7 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
if ( !buffer.size() )
return( -1 );
if(mCodecContext->codec_id == AV_CODEC_ID_H264) {
if ( mCodecContext->codec_id == AV_CODEC_ID_H264 ) {
// SPS and PPS frames should be saved and appended to IDR frames
int nalType = (buffer.head()[3] & 0x1f);
@ -446,14 +474,14 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
av_init_packet( &packet );
// Why are we checking for it being the video stream? Because it might be audio or something else.
// Um... we just initialized packet... we can't be testing for what it is yet....
if ( packet.stream_index == mVideoStreamId ) {
// Keep decoding until a complete frame is had.
while ( !frameComplete && buffer.size() > 0 ) {
packet.data = buffer.head();
packet.size = buffer.size();
// Why are we checking for it being the video stream? Because it might be audio or something else.
// Um... we just initialized packet... we can't be testing for what it is yet....
if ( packet.stream_index == mVideoStreamId ) {
// So this does the decode
#if LIBAVCODEC_VERSION_CHECK(52, 23, 0, 23, 0)
int len = avcodec_decode_video2( mCodecContext, mRawFrame, &frameComplete, &packet );
@ -471,12 +499,18 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
//Hexdump( 0, buffer.head(), buffer.size() );
buffer -= len;
} // end while get & decode a frame
if ( frameComplete ) {
Debug( 3, "Got frame %d", frameCount );
/* Request a writeable buffer of the target image */
directbuffer = image.WriteBuffer(width, height, colours, subpixelorder);
if(directbuffer == NULL) {
Error("Failed requesting writeable buffer for the captured image.");
return (-1);
}
#if LIBAVUTIL_VERSION_CHECK(54, 6, 0, 6, 0)
av_image_fill_arrays(mFrame->data, mFrame->linesize,
directbuffer, imagePixFormat, width, height, 1);
@ -485,57 +519,24 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
imagePixFormat, width, height);
#endif
//Video recording
if ( recording && !wasRecording ) {
//Instantiate the video storage module
} // endif frameComplete
videoStore = new VideoStore((const char *)event_file, "mp4",
mFormatContext->streams[mVideoStreamId],
mAudioStreamId==-1?NULL:mFormatContext->streams[mAudioStreamId],
startTime,
this->getMonitor()->getOrientation() );
wasRecording = true;
strcpy(oldDirectory, event_file);
} else if ( !recording && wasRecording && videoStore ) {
// Why are we deleting the videostore? Becase for soem reason we are no longer recording? How does that happen?
Info("Deleting videoStore instance");
delete videoStore;
videoStore = NULL;
}
//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
if ( recording && wasRecording && (strcmp(oldDirectory, event_file)!=0) && (packet.flags & AV_PKT_FLAG_KEY) ) {
//don't open new videostore until we're on a key frame..would this require an offset adjustment for the event as a result?...if we store our key frame location with the event will that be enough?
Info("Re-starting video storage module");
if ( videoStore ) {
delete videoStore;
videoStore = NULL;
}
videoStore = new VideoStore((const char *)event_file, "mp4",
mFormatContext->streams[mVideoStreamId],
mAudioStreamId==-1?NULL:mFormatContext->streams[mAudioStreamId],
startTime,
this->getMonitor()->getOrientation() );
strcpy( oldDirectory, event_file );
}
if ( videoStore && recording ) {
//Write the packet to our video store
int ret = videoStore->writeVideoFramePacket(&packet, mFormatContext->streams[mVideoStreamId]);//, &lastKeyframePkt);
if ( ret < 0 ) {//Less than zero and we skipped a frame
// Should not
av_free_packet( &packet );
return 0;
}
}
} // end if videoStore, so we are recording
#if HAVE_LIBSWSCALE
// Why are we re-scaling after writing out the packet?
if(mConvertContext == NULL) {
if ( mConvertContext == NULL ) {
mConvertContext = sws_getContext( mCodecContext->width, mCodecContext->height, mCodecContext->pix_fmt, width, height, imagePixFormat, SWS_BICUBIC, NULL, NULL, NULL );
if(mConvertContext == NULL)
if ( mConvertContext == NULL )
Fatal( "Unable to create conversion context");
}
@ -547,11 +548,9 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
frameCount++;
} /* frame complete */
} else if ( packet.stream_index == mAudioStreamId ) {
Debug( 4, "Got audio packet" );
if ( videoStore && recording ) {
if ( record_audio ) {
if ( videoStore && record_audio ) {
Debug( 4, "Storing Audio packet" );
//Write the packet to our video store
int ret = videoStore->writeAudioFramePacket(&packet, mFormatContext->streams[packet.stream_index]); //FIXME no relevance of last key frame
@ -564,7 +563,6 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
return 0;
}
}
}
} // end if video or audio packet
#if LIBAVCODEC_VERSION_CHECK(57, 8, 0, 12, 100)
@ -572,18 +570,18 @@ int RemoteCameraRtsp::CaptureAndRecord(Image &image, bool recording, char* event
#else
av_free_packet( &packet );
#endif
} /* getFrame() */
} // end while ! framecomplete and buffer.size()
if(frameComplete)
return (0);
} // end while true
} /* getFrame() */
// can never get here.
} // end while true
// can never get here.
return (0) ;
} // int RemoteCameraRtsp::CaptureAndRecord( Image &image, bool recording, char* event_file )
int RemoteCameraRtsp::PostCapture()
{
int RemoteCameraRtsp::PostCapture() {
return( 0 );
}
#endif // HAVE_LIBAVFORMAT