spacing, code structure and code documentation. Also, add in a flag to say whether to store the audio packets
This commit is contained in:
Isaac Connor
parent
fa08646243
commit
92b98e1953
|
|
@ -29,21 +29,21 @@
|
|||
#include <sys/socket.h>
|
||||
|
||||
RemoteCameraRtsp::RemoteCameraRtsp( int p_id, const std::string &p_method, const std::string &p_host, const std::string &p_port, const std::string &p_path, int p_width, int p_height, bool p_rtsp_describe, int p_colours, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture ) :
|
||||
RemoteCamera( p_id, "rtsp", p_host, p_port, p_path, p_width, p_height, p_colours, p_brightness, p_contrast, p_hue, p_colour, p_capture ),
|
||||
rtsp_describe( p_rtsp_describe ),
|
||||
rtspThread( 0 )
|
||||
RemoteCamera( p_id, "rtsp", p_host, p_port, p_path, p_width, p_height, p_colours, p_brightness, p_contrast, p_hue, p_colour, p_capture ),
|
||||
rtsp_describe( p_rtsp_describe ),
|
||||
rtspThread( 0 )
|
||||
|
||||
{
|
||||
if ( p_method == "rtpUni" )
|
||||
method = RtspThread::RTP_UNICAST;
|
||||
else if ( p_method == "rtpMulti" )
|
||||
method = RtspThread::RTP_MULTICAST;
|
||||
else if ( p_method == "rtpRtsp" )
|
||||
method = RtspThread::RTP_RTSP;
|
||||
else if ( p_method == "rtpRtspHttp" )
|
||||
method = RtspThread::RTP_RTSP_HTTP;
|
||||
else
|
||||
Fatal( "Unrecognised method '%s' when creating RTSP camera %d", p_method.c_str(), id );
|
||||
if ( p_method == "rtpUni" )
|
||||
method = RtspThread::RTP_UNICAST;
|
||||
else if ( p_method == "rtpMulti" )
|
||||
method = RtspThread::RTP_MULTICAST;
|
||||
else if ( p_method == "rtpRtsp" )
|
||||
method = RtspThread::RTP_RTSP;
|
||||
else if ( p_method == "rtpRtspHttp" )
|
||||
method = RtspThread::RTP_RTSP_HTTP;
|
||||
else
|
||||
Fatal( "Unrecognised method '%s' when creating RTSP camera %d", p_method.c_str(), id );
|
||||
|
||||
if ( capture )
|
||||
{
|
||||
|
|
@ -52,14 +52,14 @@ RemoteCameraRtsp::RemoteCameraRtsp( int p_id, const std::string &p_method, const
|
|||
|
||||
mFormatContext = NULL;
|
||||
mVideoStreamId = -1;
|
||||
mAudioStreamId = -1;
|
||||
mAudioStreamId = -1;
|
||||
mCodecContext = NULL;
|
||||
mCodec = NULL;
|
||||
mRawFrame = NULL;
|
||||
mFrame = NULL;
|
||||
frameCount = 0;
|
||||
wasRecording = false;
|
||||
startTime=0;
|
||||
wasRecording = false;
|
||||
startTime=0;
|
||||
|
||||
#if HAVE_LIBSWSCALE
|
||||
mConvertContext = NULL;
|
||||
|
|
@ -83,26 +83,26 @@ RemoteCameraRtsp::RemoteCameraRtsp( int p_id, const std::string &p_method, const
|
|||
RemoteCameraRtsp::~RemoteCameraRtsp()
|
||||
{
|
||||
#if LIBAVCODEC_VERSION_CHECK(55, 28, 1, 45, 101)
|
||||
av_frame_free( &mFrame );
|
||||
av_frame_free( &mRawFrame );
|
||||
av_frame_free( &mFrame );
|
||||
av_frame_free( &mRawFrame );
|
||||
#else
|
||||
av_freep( &mFrame );
|
||||
av_freep( &mRawFrame );
|
||||
av_freep( &mFrame );
|
||||
av_freep( &mRawFrame );
|
||||
#endif
|
||||
|
||||
#if HAVE_LIBSWSCALE
|
||||
if ( mConvertContext )
|
||||
{
|
||||
sws_freeContext( mConvertContext );
|
||||
mConvertContext = NULL;
|
||||
}
|
||||
if ( mConvertContext )
|
||||
{
|
||||
sws_freeContext( mConvertContext );
|
||||
mConvertContext = NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
if ( mCodecContext )
|
||||
{
|
||||
avcodec_close( mCodecContext );
|
||||
mCodecContext = NULL; // Freed by avformat_free_context in the destructor of RtspThread class
|
||||
}
|
||||
if ( mCodecContext )
|
||||
{
|
||||
avcodec_close( mCodecContext );
|
||||
mCodecContext = NULL; // Freed by avformat_free_context in the destructor of RtspThread class
|
||||
}
|
||||
|
||||
if ( capture )
|
||||
{
|
||||
|
|
@ -112,106 +112,109 @@ RemoteCameraRtsp::~RemoteCameraRtsp()
|
|||
|
||||
void RemoteCameraRtsp::Initialise()
|
||||
{
|
||||
RemoteCamera::Initialise();
|
||||
RemoteCamera::Initialise();
|
||||
|
||||
int max_size = width*height*colours;
|
||||
|
||||
// This allocates a buffer able to hold a raw fframe, which is a little artbitrary. Might be nice to get some
|
||||
// decent data on how large a buffer is really needed.
|
||||
buffer.size( max_size );
|
||||
|
||||
if ( logDebugging() )
|
||||
av_log_set_level( AV_LOG_DEBUG );
|
||||
else
|
||||
av_log_set_level( AV_LOG_QUIET );
|
||||
if ( logDebugging() )
|
||||
av_log_set_level( AV_LOG_DEBUG );
|
||||
else
|
||||
av_log_set_level( AV_LOG_QUIET );
|
||||
|
||||
av_register_all();
|
||||
av_register_all();
|
||||
|
||||
Connect();
|
||||
Connect();
|
||||
}
|
||||
|
||||
void RemoteCameraRtsp::Terminate()
|
||||
{
|
||||
Disconnect();
|
||||
Disconnect();
|
||||
}
|
||||
|
||||
int RemoteCameraRtsp::Connect()
|
||||
{
|
||||
rtspThread = new RtspThread( id, method, protocol, host, port, path, auth, rtsp_describe );
|
||||
rtspThread = new RtspThread( id, method, protocol, host, port, path, auth, rtsp_describe );
|
||||
|
||||
rtspThread->start();
|
||||
rtspThread->start();
|
||||
|
||||
return( 0 );
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int RemoteCameraRtsp::Disconnect()
|
||||
{
|
||||
if ( rtspThread )
|
||||
{
|
||||
rtspThread->stop();
|
||||
rtspThread->join();
|
||||
delete rtspThread;
|
||||
rtspThread = 0;
|
||||
}
|
||||
return( 0 );
|
||||
if ( rtspThread )
|
||||
{
|
||||
rtspThread->stop();
|
||||
rtspThread->join();
|
||||
delete rtspThread;
|
||||
rtspThread = 0;
|
||||
}
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int RemoteCameraRtsp::PrimeCapture()
|
||||
{
|
||||
Debug( 2, "Waiting for sources" );
|
||||
for ( int i = 0; i < 100 && !rtspThread->hasSources(); i++ )
|
||||
{
|
||||
usleep( 100000 );
|
||||
}
|
||||
if ( !rtspThread->hasSources() )
|
||||
Fatal( "No RTSP sources" );
|
||||
Debug( 2, "Waiting for sources" );
|
||||
for ( int i = 0; i < 100 && !rtspThread->hasSources(); i++ )
|
||||
{
|
||||
usleep( 100000 );
|
||||
}
|
||||
if ( !rtspThread->hasSources() )
|
||||
Fatal( "No RTSP sources" );
|
||||
|
||||
Debug( 2, "Got sources" );
|
||||
Debug( 2, "Got sources" );
|
||||
|
||||
mFormatContext = rtspThread->getFormatContext();
|
||||
mFormatContext = rtspThread->getFormatContext();
|
||||
|
||||
// Find first video stream present
|
||||
mVideoStreamId = -1;
|
||||
// Find first video stream present
|
||||
mVideoStreamId = -1;
|
||||
|
||||
for ( unsigned int i = 0; i < mFormatContext->nb_streams; i++ )
|
||||
// Find the first video stream.
|
||||
for ( unsigned int i = 0; i < mFormatContext->nb_streams; i++ )
|
||||
#if (LIBAVCODEC_VERSION_CHECK(52, 64, 0, 64, 0) || LIBAVUTIL_VERSION_CHECK(50, 14, 0, 14, 0))
|
||||
if ( mFormatContext->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO )
|
||||
#else
|
||||
if ( mFormatContext->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO )
|
||||
#endif
|
||||
{
|
||||
mVideoStreamId = i;
|
||||
break;
|
||||
}
|
||||
if ( mVideoStreamId == -1 )
|
||||
Fatal( "Unable to locate video stream" );
|
||||
{
|
||||
mVideoStreamId = i;
|
||||
break;
|
||||
}
|
||||
if ( mVideoStreamId == -1 )
|
||||
Fatal( "Unable to locate video stream" );
|
||||
|
||||
// Get a pointer to the codec context for the video stream
|
||||
mCodecContext = mFormatContext->streams[mVideoStreamId]->codec;
|
||||
// Get a pointer to the codec context for the video stream
|
||||
mCodecContext = mFormatContext->streams[mVideoStreamId]->codec;
|
||||
|
||||
// Find the decoder for the video stream
|
||||
mCodec = avcodec_find_decoder( mCodecContext->codec_id );
|
||||
if ( mCodec == NULL )
|
||||
Panic( "Unable to locate codec %d decoder", mCodecContext->codec_id );
|
||||
// Find the decoder for the video stream
|
||||
mCodec = avcodec_find_decoder( mCodecContext->codec_id );
|
||||
if ( mCodec == NULL )
|
||||
Panic( "Unable to locate codec %d decoder", mCodecContext->codec_id );
|
||||
|
||||
// Open codec
|
||||
// Open codec
|
||||
#if !LIBAVFORMAT_VERSION_CHECK(53, 8, 0, 8, 0)
|
||||
if ( avcodec_open( mCodecContext, mCodec ) < 0 )
|
||||
if ( avcodec_open( mCodecContext, mCodec ) < 0 )
|
||||
#else
|
||||
if ( avcodec_open2( mCodecContext, mCodec, 0 ) < 0 )
|
||||
if ( avcodec_open2( mCodecContext, mCodec, 0 ) < 0 )
|
||||
#endif
|
||||
Panic( "Can't open codec" );
|
||||
Panic( "Can't open codec" );
|
||||
|
||||
// Allocate space for the native video frame
|
||||
// Allocate space for the native video frame
|
||||
#if LIBAVCODEC_VERSION_CHECK(55, 28, 1, 45, 101)
|
||||
mRawFrame = av_frame_alloc();
|
||||
mRawFrame = av_frame_alloc();
|
||||
#else
|
||||
mRawFrame = avcodec_alloc_frame();
|
||||
mRawFrame = avcodec_alloc_frame();
|
||||
#endif
|
||||
|
||||
// Allocate space for the converted video frame
|
||||
// Allocate space for the converted video frame
|
||||
#if LIBAVCODEC_VERSION_CHECK(55, 28, 1, 45, 101)
|
||||
mFrame = av_frame_alloc();
|
||||
mFrame = av_frame_alloc();
|
||||
#else
|
||||
mFrame = avcodec_alloc_frame();
|
||||
mFrame = avcodec_alloc_frame();
|
||||
#endif
|
||||
|
||||
if(mRawFrame == NULL || mFrame == NULL)
|
||||
|
|
@ -232,27 +235,25 @@ int RemoteCameraRtsp::PrimeCapture()
|
|||
}
|
||||
|
||||
#else // HAVE_LIBSWSCALE
|
||||
Fatal( "You must compile ffmpeg with the --enable-swscale option to use RTSP cameras" );
|
||||
Fatal( "You must compile ffmpeg with the --enable-swscale option to use RTSP cameras" );
|
||||
#endif // HAVE_LIBSWSCALE
|
||||
*/
|
||||
|
||||
return( 0 );
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int RemoteCameraRtsp::PreCapture()
|
||||
{
|
||||
if ( !rtspThread->isRunning() )
|
||||
return( -1 );
|
||||
if ( !rtspThread->hasSources() )
|
||||
{
|
||||
Error( "Cannot precapture, no RTP sources" );
|
||||
return( -1 );
|
||||
}
|
||||
return( 0 );
|
||||
int RemoteCameraRtsp::PreCapture() {
|
||||
if ( !rtspThread->isRunning() )
|
||||
return( -1 );
|
||||
if ( !rtspThread->hasSources() )
|
||||
{
|
||||
Error( "Cannot precapture, no RTP sources" );
|
||||
return( -1 );
|
||||
}
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int RemoteCameraRtsp::Capture( Image &image )
|
||||
{
|
||||
int RemoteCameraRtsp::Capture( Image &image ) {
|
||||
AVPacket packet;
|
||||
uint8_t* directbuffer;
|
||||
int frameComplete = false;
|
||||
|
|
@ -264,280 +265,275 @@ int RemoteCameraRtsp::Capture( Image &image )
|
|||
return (-1);
|
||||
}
|
||||
|
||||
while ( true )
|
||||
{
|
||||
buffer.clear();
|
||||
if ( !rtspThread->isRunning() )
|
||||
return (-1);
|
||||
while ( true ) {
|
||||
buffer.clear();
|
||||
if ( !rtspThread->isRunning() )
|
||||
return (-1);
|
||||
|
||||
if ( rtspThread->getFrame( buffer ) )
|
||||
{
|
||||
Debug( 3, "Read frame %d bytes", buffer.size() );
|
||||
Debug( 4, "Address %p", buffer.head() );
|
||||
Hexdump( 4, buffer.head(), 16 );
|
||||
if ( rtspThread->getFrame( buffer ) ) {
|
||||
Debug( 3, "Read frame %d bytes", buffer.size() );
|
||||
Debug( 4, "Address %p", buffer.head() );
|
||||
Hexdump( 4, buffer.head(), 16 );
|
||||
|
||||
if ( !buffer.size() )
|
||||
return( -1 );
|
||||
if ( !buffer.size() )
|
||||
return( -1 );
|
||||
|
||||
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);
|
||||
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);
|
||||
|
||||
// SPS
|
||||
if(nalType == 7)
|
||||
{
|
||||
lastSps = buffer;
|
||||
continue;
|
||||
}
|
||||
// PPS
|
||||
else if(nalType == 8)
|
||||
{
|
||||
lastPps = buffer;
|
||||
continue;
|
||||
}
|
||||
// IDR
|
||||
else if(nalType == 5)
|
||||
{
|
||||
buffer += lastSps;
|
||||
buffer += lastPps;
|
||||
}
|
||||
}
|
||||
// SPS The SPS NAL unit contains parameters that apply to a series of consecutive coded video pictures
|
||||
if(nalType == 7)
|
||||
{
|
||||
lastSps = buffer;
|
||||
continue;
|
||||
}
|
||||
// PPS The PPS NAL unit contains parameters that apply to the decoding of one or more individual pictures inside a coded video sequence
|
||||
else if(nalType == 8)
|
||||
{
|
||||
lastPps = buffer;
|
||||
continue;
|
||||
}
|
||||
// IDR
|
||||
else if(nalType == 5)
|
||||
{
|
||||
buffer += lastSps;
|
||||
buffer += lastPps;
|
||||
}
|
||||
}
|
||||
|
||||
av_init_packet( &packet );
|
||||
av_init_packet( &packet );
|
||||
|
||||
while ( !frameComplete && buffer.size() > 0 )
|
||||
{
|
||||
packet.data = buffer.head();
|
||||
packet.size = buffer.size();
|
||||
#if LIBAVCODEC_VERSION_CHECK(52, 23, 0, 23, 0)
|
||||
int len = avcodec_decode_video2( mCodecContext, mRawFrame, &frameComplete, &packet );
|
||||
#else
|
||||
int len = avcodec_decode_video( mCodecContext, mRawFrame, &frameComplete, packet.data, packet.size );
|
||||
#endif
|
||||
if ( len < 0 )
|
||||
{
|
||||
Error( "Error while decoding frame %d", frameCount );
|
||||
Hexdump( Logger::ERROR, buffer.head(), buffer.size()>256?256:buffer.size() );
|
||||
buffer.clear();
|
||||
continue;
|
||||
}
|
||||
Debug( 2, "Frame: %d - %d/%d", frameCount, len, buffer.size() );
|
||||
//if ( buffer.size() < 400 )
|
||||
//Hexdump( 0, buffer.head(), buffer.size() );
|
||||
while ( !frameComplete && buffer.size() > 0 ) {
|
||||
packet.data = buffer.head();
|
||||
packet.size = buffer.size();
|
||||
|
||||
buffer -= len;
|
||||
// So I think this is the magic decode step. Result is a raw image?
|
||||
#if LIBAVCODEC_VERSION_CHECK(52, 23, 0, 23, 0)
|
||||
int len = avcodec_decode_video2( mCodecContext, mRawFrame, &frameComplete, &packet );
|
||||
#else
|
||||
int len = avcodec_decode_video( mCodecContext, mRawFrame, &frameComplete, packet.data, packet.size );
|
||||
#endif
|
||||
if ( len < 0 ) {
|
||||
Error( "Error while decoding frame %d", frameCount );
|
||||
Hexdump( Logger::ERROR, buffer.head(), buffer.size()>256?256:buffer.size() );
|
||||
buffer.clear();
|
||||
continue;
|
||||
}
|
||||
Debug( 2, "Frame: %d - %d/%d", frameCount, len, buffer.size() );
|
||||
//if ( buffer.size() < 400 )
|
||||
//Hexdump( 0, buffer.head(), buffer.size() );
|
||||
|
||||
}
|
||||
if ( frameComplete ) {
|
||||
buffer -= len;
|
||||
}
|
||||
// At this point, we either have a frame or ran out of buffer. What happens if we run out of buffer?
|
||||
if ( frameComplete ) {
|
||||
|
||||
Debug( 3, "Got frame %d", frameCount );
|
||||
Debug( 3, "Got frame %d", frameCount );
|
||||
|
||||
avpicture_fill( (AVPicture *)mFrame, directbuffer, imagePixFormat, width, height);
|
||||
avpicture_fill( (AVPicture *)mFrame, directbuffer, imagePixFormat, width, height );
|
||||
|
||||
#if HAVE_LIBSWSCALE
|
||||
if(mConvertContext == NULL) {
|
||||
mConvertContext = sws_getContext( mCodecContext->width, mCodecContext->height, mCodecContext->pix_fmt, width, height, imagePixFormat, SWS_BICUBIC, NULL, NULL, NULL );
|
||||
#if HAVE_LIBSWSCALE
|
||||
if(mConvertContext == NULL) {
|
||||
mConvertContext = sws_getContext( mCodecContext->width, mCodecContext->height, mCodecContext->pix_fmt, width, height, imagePixFormat, SWS_BICUBIC, NULL, NULL, NULL );
|
||||
|
||||
if(mConvertContext == NULL)
|
||||
Fatal( "Unable to create conversion context");
|
||||
}
|
||||
if(mConvertContext == NULL)
|
||||
Fatal( "Unable to create conversion context");
|
||||
}
|
||||
|
||||
if ( sws_scale( mConvertContext, mRawFrame->data, mRawFrame->linesize, 0, mCodecContext->height, mFrame->data, mFrame->linesize ) < 0 )
|
||||
Fatal( "Unable to convert raw format %u to target format %u at frame %d", mCodecContext->pix_fmt, imagePixFormat, frameCount );
|
||||
#else // HAVE_LIBSWSCALE
|
||||
Fatal( "You must compile ffmpeg with the --enable-swscale option to use RTSP cameras" );
|
||||
#endif // HAVE_LIBSWSCALE
|
||||
if ( sws_scale( mConvertContext, mRawFrame->data, mRawFrame->linesize, 0, mCodecContext->height, mFrame->data, mFrame->linesize ) < 0 )
|
||||
Fatal( "Unable to convert raw format %u to target format %u at frame %d", mCodecContext->pix_fmt, imagePixFormat, frameCount );
|
||||
#else // HAVE_LIBSWSCALE
|
||||
Fatal( "You must compile ffmpeg with the --enable-swscale option to use RTSP cameras" );
|
||||
#endif // HAVE_LIBSWSCALE
|
||||
|
||||
frameCount++;
|
||||
frameCount++;
|
||||
|
||||
} /* frame complete */
|
||||
} /* frame complete */
|
||||
|
||||
#if LIBAVCODEC_VERSION_CHECK(57, 8, 0, 12, 100)
|
||||
av_packet_unref( &packet);
|
||||
#else
|
||||
av_free_packet( &packet );
|
||||
#endif
|
||||
} /* getFrame() */
|
||||
#if LIBAVCODEC_VERSION_CHECK(57, 8, 0, 12, 100)
|
||||
av_packet_unref( &packet );
|
||||
#else
|
||||
av_free_packet( &packet );
|
||||
#endif
|
||||
} /* getFrame() */
|
||||
|
||||
if(frameComplete)
|
||||
return (0);
|
||||
if(frameComplete)
|
||||
return (0);
|
||||
|
||||
}
|
||||
return (0) ;
|
||||
} // end while true
|
||||
|
||||
// can never get here.
|
||||
return (0) ;
|
||||
}
|
||||
|
||||
//Function to handle capture and store
|
||||
int RemoteCameraRtsp::CaptureAndRecord( Image &image, bool recording, char* event_file )
|
||||
{
|
||||
AVPacket packet;
|
||||
uint8_t* directbuffer;
|
||||
int frameComplete = false;
|
||||
int RemoteCameraRtsp::CaptureAndRecord( Image &image, bool recording, char* event_file ) {
|
||||
AVPacket packet;
|
||||
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);
|
||||
}
|
||||
/* 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 )
|
||||
{
|
||||
buffer.clear();
|
||||
if ( !rtspThread->isRunning() )
|
||||
return (-1);
|
||||
while ( true ) {
|
||||
buffer.clear();
|
||||
if ( !rtspThread->isRunning() )
|
||||
return (-1);
|
||||
|
||||
if ( rtspThread->getFrame( buffer ) )
|
||||
{
|
||||
Debug( 3, "Read frame %d bytes", buffer.size() );
|
||||
Debug( 4, "Address %p", buffer.head() );
|
||||
Hexdump( 4, buffer.head(), 16 );
|
||||
if ( rtspThread->getFrame( buffer ) ) {
|
||||
Debug( 3, "Read frame %d bytes", buffer.size() );
|
||||
Debug( 4, "Address %p", buffer.head() );
|
||||
Hexdump( 4, buffer.head(), 16 );
|
||||
|
||||
if ( !buffer.size() )
|
||||
return( -1 );
|
||||
if ( !buffer.size() )
|
||||
return( -1 );
|
||||
|
||||
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);
|
||||
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);
|
||||
|
||||
// SPS
|
||||
if(nalType == 7)
|
||||
{
|
||||
lastSps = buffer;
|
||||
continue;
|
||||
}
|
||||
// PPS
|
||||
else if(nalType == 8)
|
||||
{
|
||||
lastPps = buffer;
|
||||
continue;
|
||||
}
|
||||
// IDR
|
||||
else if(nalType == 5)
|
||||
{
|
||||
buffer += lastSps;
|
||||
buffer += lastPps;
|
||||
}
|
||||
}
|
||||
// SPS
|
||||
if(nalType == 7) {
|
||||
lastSps = buffer;
|
||||
continue;
|
||||
}
|
||||
// PPS
|
||||
else if(nalType == 8) {
|
||||
lastPps = buffer;
|
||||
continue;
|
||||
}
|
||||
// IDR
|
||||
else if(nalType == 5) {
|
||||
buffer += lastSps;
|
||||
buffer += lastPps;
|
||||
}
|
||||
} // end if H264, what about other codecs?
|
||||
|
||||
av_init_packet( &packet );
|
||||
av_init_packet( &packet );
|
||||
|
||||
if ( packet.stream_index == mVideoStreamId )
|
||||
{
|
||||
// Why are we checking for it being the video stream
|
||||
if ( packet.stream_index == mVideoStreamId ) {
|
||||
|
||||
while ( !frameComplete && buffer.size() > 0 )
|
||||
{
|
||||
packet.data = buffer.head();
|
||||
packet.size = buffer.size();
|
||||
while ( !frameComplete && buffer.size() > 0 ) {
|
||||
packet.data = buffer.head();
|
||||
packet.size = buffer.size();
|
||||
|
||||
// So this does the decode
|
||||
#if LIBAVCODEC_VERSION_CHECK(52, 23, 0, 23, 0)
|
||||
int len = avcodec_decode_video2( mCodecContext, mRawFrame, &frameComplete, &packet );
|
||||
int len = avcodec_decode_video2( mCodecContext, mRawFrame, &frameComplete, &packet );
|
||||
#else
|
||||
int len = avcodec_decode_video( mCodecContext, mRawFrame, &frameComplete, packet.data, packet.size );
|
||||
int len = avcodec_decode_video( mCodecContext, mRawFrame, &frameComplete, packet.data, packet.size );
|
||||
#endif
|
||||
if ( len < 0 )
|
||||
{
|
||||
Error( "Error while decoding frame %d", frameCount );
|
||||
Hexdump( Logger::ERROR, buffer.head(), buffer.size()>256?256:buffer.size() );
|
||||
buffer.clear();
|
||||
continue;
|
||||
}
|
||||
Debug( 2, "Frame: %d - %d/%d", frameCount, len, buffer.size() );
|
||||
//if ( buffer.size() < 400 )
|
||||
//Hexdump( 0, buffer.head(), buffer.size() );
|
||||
if ( len < 0 ) {
|
||||
Error( "Error while decoding frame %d", frameCount );
|
||||
Hexdump( Logger::ERROR, buffer.head(), buffer.size()>256?256:buffer.size() );
|
||||
buffer.clear();
|
||||
continue;
|
||||
}
|
||||
Debug( 2, "Frame: %d - %d/%d", frameCount, len, buffer.size() );
|
||||
//if ( buffer.size() < 400 )
|
||||
//Hexdump( 0, buffer.head(), buffer.size() );
|
||||
|
||||
buffer -= len;
|
||||
buffer -= len;
|
||||
} // end while get & decode a frame
|
||||
|
||||
}
|
||||
if ( frameComplete ) {
|
||||
if ( frameComplete ) {
|
||||
|
||||
Debug( 3, "Got frame %d", frameCount );
|
||||
Debug( 3, "Got frame %d", frameCount );
|
||||
|
||||
avpicture_fill( (AVPicture *)mFrame, directbuffer, imagePixFormat, width, height);
|
||||
avpicture_fill( (AVPicture *)mFrame, directbuffer, imagePixFormat, width, height );
|
||||
|
||||
//Video recording
|
||||
if(recording && !wasRecording){
|
||||
//Instantiate the video storage module
|
||||
//Video recording
|
||||
if ( recording && !wasRecording ) {
|
||||
//Instantiate the video storage module
|
||||
|
||||
videoStore = new VideoStore((const char *)event_file, "mp4", mFormatContext->streams[mVideoStreamId],mAudioStreamId==-1?NULL:mFormatContext->streams[mAudioStreamId],startTime);
|
||||
wasRecording = true;
|
||||
strcpy(oldDirectory, event_file);
|
||||
videoStore = new VideoStore((const char *)event_file, "mp4", mFormatContext->streams[mVideoStreamId],mAudioStreamId==-1?NULL:mFormatContext->streams[mAudioStreamId],startTime);
|
||||
wasRecording = true;
|
||||
strcpy(oldDirectory, event_file);
|
||||
|
||||
}else if(!recording && wasRecording && videoStore){
|
||||
Info("Deleting videoStore instance");
|
||||
delete videoStore;
|
||||
videoStore = NULL;
|
||||
}
|
||||
} 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;
|
||||
}
|
||||
//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);
|
||||
strcpy(oldDirectory, event_file);
|
||||
}
|
||||
videoStore = new VideoStore((const char *)event_file, "mp4", mFormatContext->streams[mVideoStreamId],mAudioStreamId==-1?NULL:mFormatContext->streams[mAudioStreamId],startTime);
|
||||
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
|
||||
av_free_packet( &packet );
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
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
|
||||
av_free_packet( &packet );
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
#if HAVE_LIBSWSCALE
|
||||
if(mConvertContext == NULL) {
|
||||
mConvertContext = sws_getContext( mCodecContext->width, mCodecContext->height, mCodecContext->pix_fmt, width, height, imagePixFormat, SWS_BICUBIC, NULL, NULL, 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)
|
||||
Fatal( "Unable to create conversion context");
|
||||
}
|
||||
if(mConvertContext == NULL)
|
||||
Fatal( "Unable to create conversion context");
|
||||
}
|
||||
|
||||
if ( sws_scale( mConvertContext, mRawFrame->data, mRawFrame->linesize, 0, mCodecContext->height, mFrame->data, mFrame->linesize ) < 0 )
|
||||
Fatal( "Unable to convert raw format %u to target format %u at frame %d", mCodecContext->pix_fmt, imagePixFormat, frameCount );
|
||||
if ( sws_scale( mConvertContext, mRawFrame->data, mRawFrame->linesize, 0, mCodecContext->height, mFrame->data, mFrame->linesize ) < 0 )
|
||||
Fatal( "Unable to convert raw format %u to target format %u at frame %d", mCodecContext->pix_fmt, imagePixFormat, frameCount );
|
||||
#else // HAVE_LIBSWSCALE
|
||||
Fatal( "You must compile ffmpeg with the --enable-swscale option to use RTSP cameras" );
|
||||
Fatal( "You must compile ffmpeg with the --enable-swscale option to use RTSP cameras" );
|
||||
#endif // HAVE_LIBSWSCALE
|
||||
|
||||
frameCount++;
|
||||
frameCount++;
|
||||
|
||||
} /* frame complete */
|
||||
}
|
||||
else if(packet.stream_index == mAudioStreamId)
|
||||
{
|
||||
if(videoStore && recording)
|
||||
{
|
||||
//Write the packet to our video store
|
||||
int ret = videoStore->writeAudioFramePacket(&packet, mFormatContext->streams[packet.stream_index]); //FIXME no relevance of last key frame
|
||||
if(ret<0) //Less than zero and we skipped a frame
|
||||
{
|
||||
av_free_packet( &packet );
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
} /* frame complete */
|
||||
} else if ( packet.stream_index == mAudioStreamId ) {
|
||||
Debug( 4, "Got audio packet" );
|
||||
if ( videoStore && recording ) {
|
||||
if ( recordAudio ) {
|
||||
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
|
||||
if ( ret < 0 ) { //Less than zero and we skipped a frame
|
||||
av_free_packet( &packet );
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
Debug( 4, "Not storing audio" );
|
||||
}
|
||||
}
|
||||
} // end if video or audio packet
|
||||
|
||||
#if LIBAVCODEC_VERSION_CHECK(57, 8, 0, 12, 100)
|
||||
av_packet_unref( &packet);
|
||||
av_packet_unref( &packet);
|
||||
#else
|
||||
av_free_packet( &packet );
|
||||
av_free_packet( &packet );
|
||||
#endif
|
||||
} /* getFrame() */
|
||||
} /* getFrame() */
|
||||
|
||||
if(frameComplete)
|
||||
return (0);
|
||||
|
||||
}
|
||||
return (0) ;
|
||||
}
|
||||
if(frameComplete)
|
||||
return (0);
|
||||
} // end while true
|
||||
return (0) ;
|
||||
} // int RemoteCameraRtsp::CaptureAndRecord( Image &image, bool recording, char* event_file )
|
||||
|
||||
int RemoteCameraRtsp::PostCapture()
|
||||
{
|
||||
return( 0 );
|
||||
return( 0 );
|
||||
}
|
||||
#endif // HAVE_LIBAVFORMAT
|
||||
|
|
|
|||
Loading…
Reference in New Issue