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avfvideosrc: get connection and input clock early

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This commit is contained in:
Ilya Konstantinov 2015-04-17 05:12:10 +03:00 committed by Alessandro Decina
parent ed27244c03
commit a02a948a5d
1 changed files with 9 additions and 5 deletions
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14
sys/applemedia/avfvideosrc.m
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@ -83,6 +83,7 @@ G_DEFINE_TYPE (GstAVFVideoSrc, gst_avf_video_src, GST_TYPE_PUSH_SRC);
AVCaptureInput *input;
AVCaptureVideoDataOutput *output;
AVCaptureDevice *device;
AVCaptureConnection *connection;
CMClockRef inputClock;
dispatch_queue_t mainQueue;
@ -296,6 +297,10 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
[session addInput:input];
[session addOutput:output];
/* retained by session */
connection = [[output connections] firstObject];
inputClock = ((AVCaptureInputPort *)connection.inputPorts[0]).clock;
*successPtr = YES;
});
@ -311,6 +316,9 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
dispatch_sync (mainQueue, ^{
g_assert (![session isRunning]);
connection = nil;
inputClock = nil;
[session removeInput:input];
[session removeOutput:output];
@ -710,7 +718,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
offset = 0;
latency = GST_CLOCK_TIME_NONE;
inputClock = nil;
lastSampling = GST_CLOCK_TIME_NONE;
count = 0;
@ -728,7 +735,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
bufQueueLock = nil;
[bufQueue release];
bufQueue = nil;
inputClock = nil;
if (textureCache)
gst_core_video_texture_cache_free (textureCache);
@ -834,7 +840,7 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
- (void)captureOutput:(AVCaptureOutput *)captureOutput
didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
fromConnection:(AVCaptureConnection *)connection
fromConnection:(AVCaptureConnection *)aConnection
{
GstClockTime timestamp, duration;
@ -845,8 +851,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
return;
}
if (inputClock == nil)
inputClock = ((AVCaptureInputPort *)connection.inputPorts[0]).clock;
[self getSampleBuffer:sampleBuffer timestamp:&timestamp duration:&duration];
if ([bufQueue count] == BUFFER_QUEUE_SIZE)