*****************************************************************************/
@interface VLCDecompressedVideoOutput : QTCaptureDecompressedVideoOutput
{
- CVImageBufferRef currentImageBuffer;
+ CVImageBufferRef currentImageBuffer;
+ mtime_t currentPts;
}
- (id)init;
- (void)outputVideoFrame:(CVImageBufferRef)videoFrame withSampleBuffer:(QTSampleBuffer *)sampleBuffer fromConnection:(QTCaptureConnection *)connection;
@implementation VLCDecompressedVideoOutput : QTCaptureDecompressedVideoOutput
- (id)init
{
- if( self = [super init] )
- {
- currentImageBuffer = nil;
- }
- return self;
+ if( self = [super init] )
+ {
+ currentImageBuffer = nil;
+ currentPts = 0;
+ }
+ return self;
}
- (void)dealloc
{
- @synchronized (self) {
- CVBufferRelease(currentImageBuffer);
- currentImageBuffer = nil;
- }
- [super dealloc];
+ @synchronized (self) {
+ CVBufferRelease(currentImageBuffer);
+ currentImageBuffer = nil;
+ }
+ [super dealloc];
}
- (void)outputVideoFrame:(CVImageBufferRef)videoFrame withSampleBuffer:(QTSampleBuffer *)sampleBuffer fromConnection:(QTCaptureConnection *)connection
{
- // Store the latest frame
- // This must be done in a @synchronized block because this delegate method is not called on the main thread
- CVImageBufferRef imageBufferToRelease;
+ // Store the latest frame
+ // This must be done in a @synchronized block because this delegate method is not called on the main thread
+ CVImageBufferRef imageBufferToRelease;
- CVBufferRetain(videoFrame);
+ CVBufferRetain(videoFrame);
- @synchronized (self) {
- imageBufferToRelease = currentImageBuffer;
- currentImageBuffer = videoFrame;
- }
- CVBufferRelease(imageBufferToRelease);
+ @synchronized (self) {
+ imageBufferToRelease = currentImageBuffer;
+ currentImageBuffer = videoFrame;
+ /* FIXME: is it the right PTS? */
+ currentPts = [sampleBuffer presentationTime].timeValue * 1000;
+ }
+ CVBufferRelease(imageBufferToRelease);
}
-- (BOOL)copyCurrentFrameToBuffer:(void *)buffer
+- (mtime_t)copyCurrentFrameToBuffer:(void *)buffer
{
- CVImageBufferRef imageBuffer;
-
- @synchronized (self) {
- if(!currentImageBuffer) return NO;
- imageBuffer = CVBufferRetain(currentImageBuffer);
- }
+ CVImageBufferRef imageBuffer;
+ mtime_t pts;
+ @synchronized (self) {
+ if(!currentImageBuffer) return 0;
+ imageBuffer = CVBufferRetain(currentImageBuffer);
+ pts = currentPts;
+ }
- CVPixelBufferLockBaseAddress(imageBuffer, 0);
- void * pixels = CVPixelBufferGetBaseAddress(imageBuffer);
- memcpy( buffer, pixels, CVPixelBufferGetBytesPerRow(imageBuffer) * CVPixelBufferGetHeight(imageBuffer) );
- CVPixelBufferUnlockBaseAddress(imageBuffer, 0);
+ CVPixelBufferLockBaseAddress(imageBuffer, 0);
+ void * pixels = CVPixelBufferGetBaseAddress(imageBuffer);
+ memcpy( buffer, pixels, CVPixelBufferGetBytesPerRow(imageBuffer) * CVPixelBufferGetHeight(imageBuffer) );
+ CVPixelBufferUnlockBaseAddress(imageBuffer, 0);
- CVBufferRelease(imageBuffer);
+ CVBufferRelease(imageBuffer);
- return YES;
+ return currentPts;
}
@end
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
- if( ![p_sys->output copyCurrentFrameToBuffer: p_block->p_buffer] )
+ p_block->i_pts = [p_sys->output copyCurrentFrameToBuffer: p_block->p_buffer];
+
+ if( !p_block->i_pts )
{
/* Nothing to display yet, just forget */
block_Release( p_block );
return 1;
}
- p_block->i_pts = mdate(); /* FIXME */
+ p_block->i_pts += mdate();
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
es_out_Send( p_demux->out, p_sys->p_es_video, p_block );