[mythtv] ffmpeg sync
Mark Spieth
mark at dclabs.com.au
Wed Apr 25 09:27:56 UTC 2007
> Janne Grunau wrote:
>> On Tuesday 17 April 2007 20:58:44 Bruce Markey wrote:
>>>
>>>
>> Updated patch: http://www.grunau.be/ffmpeg_sync_8742_13272.diff.bz2
>
Ive just done a quick test with this patch and MPEG4 looks good too. handles
videos previously that did not decode correctly.
mpeg2 also looks ok.
I changed the include for the now missing liba52/a52.h to <a52dec/a52.h> in
avf and audiooutputbase and it all compiled ok. havent tested
ac3/multichannel yet.
however Ive noticed a problem in the preview generator. havent traced it
yet. (FE log with playback/libav on)
The double ringbuffer open is sus. this happened on a newly recorded dvb
recording which hadnt been accessed yet. I have preview + preview video
enabled in this FE.
after a killall mythfrontend (2.4 kernel) the next preview was fine (already
created of course) and the recording played fine too.
this changed in the last couple of months, but not sure when and I cant go
back as my test machine is live.
If someone has any ideas on this that may help or remember why they did
something, please let me know.
Ill chase this in the next few days when I have time if no one beats me.
cheers
mark
2007-04-25 18:39:01.040 Starting preview generator
2007-04-25 18:39:01.212 NVP: Exited decoder loop.
2007-04-25 18:39:01.254 ~VideoOutputNull()
2007-04-25 18:39:01.637
RingBuf(/data/mythtv/recordings/1007_20070425183900.mpg): OpenFile(/data/m
ythtv/recordings/1007_20070425183900.mpg, 1)
2007-04-25 18:39:01.640
RingBuf(/data/mythtv/recordings/1007_20070425183900.mpg): CalcReadAheadThr
esh(3221215036 KB)
-> threshhold(64 KB) min read(0 KB) blk size(32 KB)
2007-04-25 18:39:02.668
RingBuf(/data/mythtv/recordings/1007_20070425183900.mpg): OpenFile(/data/m
ythtv/recordings/1007_20070425183900.mpg, 0)
2007-04-25 18:39:02.672
RingBuf(/data/mythtv/recordings/1007_20070425183900.mpg): CalcReadAheadThr
esh(1234925180 KB)
-> threshhold(64 KB) min read(0 KB) blk size(32 KB)
mpegts_add_stream: at pid 0x302 with type 3
mpegts_add_stream: stream #0, has id 0x302 and codec MP3, type Audio at
0x83bfb50
mpegts_add_stream: at pid 0x304 with type 257
mpegts_add_stream: stream #1, has id 0x304 and codec DVB_VBI, type Data at
0x9081530
mpegts_add_stream: at pid 0x301 with type 2
mpegts_add_stream: stream #2, has id 0x301 and codec MPEG2VIDEO, type Video
at 0x9081b40
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