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avfvideosrc: log timestamps

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This commit is contained in:
Alessandro Decina 2015-04-14 18:05:31 +10:00
parent 5bc17dac29
commit 3e0391a1f1
1 changed files with 10 additions and 3 deletions
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13
sys/applemedia/avfvideosrc.m
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@ -939,7 +939,7 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
duration:(GstClockTime *)outDuration duration:(GstClockTime *)outDuration
{ {
CMSampleTimingInfo time_info; CMSampleTimingInfo time_info;
GstClockTime timestamp, duration, input_clock_now, input_clock_diff, running_time; GstClockTime timestamp, avf_timestamp, duration, input_clock_now, input_clock_diff, running_time;
CMItemCount num_timings; CMItemCount num_timings;
GstClock *clock; GstClock *clock;
CMTime now; CMTime now;
@ -947,7 +947,7 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
timestamp = GST_CLOCK_TIME_NONE; timestamp = GST_CLOCK_TIME_NONE;
duration = GST_CLOCK_TIME_NONE; duration = GST_CLOCK_TIME_NONE;
if (CMSampleBufferGetOutputSampleTimingInfoArray(sbuf, 1, &time_info, &num_timings) == noErr) { if (CMSampleBufferGetOutputSampleTimingInfoArray(sbuf, 1, &time_info, &num_timings) == noErr) {
timestamp = gst_util_uint64_scale (GST_SECOND, avf_timestamp = gst_util_uint64_scale (GST_SECOND,
time_info.presentationTimeStamp.value, time_info.presentationTimeStamp.timescale); time_info.presentationTimeStamp.value, time_info.presentationTimeStamp.timescale);
if (CMTIME_IS_VALID (time_info.duration) && time_info.duration.timescale != 0) if (CMTIME_IS_VALID (time_info.duration) && time_info.duration.timescale != 0)
@ -957,7 +957,7 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
now = CMClockGetTime(inputClock); now = CMClockGetTime(inputClock);
input_clock_now = gst_util_uint64_scale (GST_SECOND, input_clock_now = gst_util_uint64_scale (GST_SECOND,
now.value, now.timescale); now.value, now.timescale);
input_clock_diff = input_clock_now - timestamp; input_clock_diff = input_clock_now - avf_timestamp;
GST_OBJECT_LOCK (element); GST_OBJECT_LOCK (element);
clock = GST_ELEMENT_CLOCK (element); clock = GST_ELEMENT_CLOCK (element);
@ -972,6 +972,13 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
timestamp = running_time - input_clock_diff; timestamp = running_time - input_clock_diff;
else else
timestamp = running_time; timestamp = running_time;
GST_DEBUG_OBJECT (element, "AVF clock: %"GST_TIME_FORMAT ", AVF PTS: %"GST_TIME_FORMAT
", AVF clock diff: %"GST_TIME_FORMAT
", running time: %"GST_TIME_FORMAT ", out PTS: %"GST_TIME_FORMAT,
GST_TIME_ARGS (input_clock_now), GST_TIME_ARGS (avf_timestamp),
GST_TIME_ARGS (input_clock_diff),
GST_TIME_ARGS (running_time), GST_TIME_ARGS (timestamp));
} else { } else {
/* no clock, can't set timestamps */ /* no clock, can't set timestamps */
timestamp = GST_CLOCK_TIME_NONE; timestamp = GST_CLOCK_TIME_NONE;