Nevertheless changes were applied and compilation was successfull. Just
don't understand what does this error message mean.
Dňa 27. 10. 2010 11:15, Ján Kolár wrote / napísal(a):
How can I apply changes you sent to my source code? I downloaded
ffmpeg trunk from svn, successfully compiled. Now trying implement
changes from
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-October/098479.html
I am using following command:
"D:\Install\_Programming\GIT>git apply
--directory=C:\msys\1.0\home\ffmpeg patch2.diff" (patch2.diff is
renamed attachment.bin)
Getting following errors:
patch2.diff:9: trailing whitespace.
#define PCR_TIME_BASE 27000000
patch2.diff:10: trailing whitespace.
patch2.diff:19: trailing whitespace.
int64_t first_pcr;
patch2.diff:37: trailing whitespace.
ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE,
AV_TIME_BASE);
patch2.diff:45: trailing whitespace.
static int64_t get_pcr(const MpegTSWrite *ts, ByteIOContext *pb)
error: patch failed: C:\msys\1.0\home\ffmpeg/libavformat/mpegtsenc.c:27
error: C:\msys\1.0\home\ffmpeg/libavformat/mpegtsenc.c: patch does not
apply
Dňa 26. 10. 2010 16:32, Tomas Härdin wrote / napísal(a):
On Tue, 2010-10-26 at 16:20 +0200, Ján Kolár wrote:
When generating mpeg-ts stream using ffmpeg, I have observed, that PCR
marks are spaced too far apart one from another. Typical PCR period is
about 60 - 70 ms which is a way too much. Another problem is that this
value considerable varies at some moments. Especially on dynamic scenes
I have seen extraordinarily big PCR periods ranging to several hundreds
of milliseconds. Because of this I have disordered timing in output
module which sends created stream to network QAM modulator
(http://www.dektec.com/Products/IP/DTE-3114/). My output buffer can
accomodate max. 250 ms block of data. I have suspicion that this is a
ffmpeg bug, but not sure. Has this happened to someone?
Jan
I posted a couple of patches related to PCR generation a few weeks ago.
They have not been OK'd to commit yet though. Do try them out since
feedback on them would be good.
The following thread deals with PCR jitter and accuracy improvement:
https://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-September/097856.html
The latest version of that patch is at:
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-October/098479.html
This thread deals with forcing PCR to be written more often, at the cost
of some overhead. It is probably closer to what you want:
https://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-October/098484.html
/Tomas
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