[mythtv-users] [UK] BBC HD and BBC ONE HD - recording length incorrect

[Taylor Ralph]

On Wed, Dec 22, 2010 at 5:26 PM, David Knight <dlknight at sdf.lonestar.org> wrote:
> On Wed, December 22, 2010 12:11 pm, Taylor Ralph wrote:
>> On Wed, Dec 22, 2010 at 6:13 AM, David Knight <dlknight at sdf.lonestar.org>
>> wrote:
>>> FFmpeg version SVN-r25557-snapshot, Copyright (c) 2000-2010 the FFmpeg
>>> developers
>>> �built on Oct 24 2010 07:32:30 with gcc 4.4.4 20100630 (Red Hat
>>> 4.4.4-10)
>>> �configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
>>> --mandir=/usr/share/man --enable-shared --enable-gpl --enable-version3
>>> --enable-nonfree --enable-postproc --enable-avfilter --enable-pthreads
>>> --enable-x11grab --enable-vdpau --disable-avisynth --enable-libdc1394
>>> --enable-libdirac --enable-libfaac --enable-libgsm --enable-libmp3lame
>>> --enable-libnut --enable-libopencore-amrnb --enable-libopencore-amrwb
>>> --enable-libopenjpeg --enable-libschroedinger --enable-libspeex
>>> --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid
>>> --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
>>> -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC'
>>> --disable-stripping
>>> �libavutil � � 50.32. 3 / 50.32. 3
>>> �libavcore � � �0. 9. 1 / �0. 9. 1
>>> �libavcodec � �52.93. 0 / 52.93. 0
>>> �libavformat � 52.84. 0 / 52.84. 0
>>> �libavdevice � 52. 2. 2 / 52. 2. 2
>>> �libavfilter � �1.53. 0 / �1.53. 0
>>> �libswscale � � 0.12. 0 / �0.12. 0
>>> �libpostproc � 51. 2. 0 / 51. 2. 0
>>> [h264 @ 0x1e1c490] non-existing SPS 0 referenced in buffering period
>>> [h264 @ 0x1e1c490] non-existing PPS referenced
>>> [h264 @ 0x1e1c490] non-existing SPS 0 referenced in buffering period
>>> [h264 @ 0x1e1c490] non-existing PPS 0 referenced
>>> [h264 @ 0x1e1c490] decode_slice_header error
>>> [h264 @ 0x1e1c490] non-existing PPS 0 referenced
>>> [h264 @ 0x1e1c490] decode_slice_header error
>>> [h264 @ 0x1e1c490] non-existing PPS 0 referenced
>>> [h264 @ 0x1e1c490] decode_slice_header error
>>> [h264 @ 0x1e1c490] non-existing PPS 0 referenced
>>> [h264 @ 0x1e1c490] decode_slice_header error
>>> [h264 @ 0x1e1c490] non-existing PPS 0 referenced
>>> [h264 @ 0x1e1c490] decode_slice_header error
>>> [h264 @ 0x1e1c490] non-existing PPS 0 referenced
>>> [h264 @ 0x1e1c490] decode_slice_header error
>>> [h264 @ 0x1e1c490] no frame!
>>>
>>> Above errors repeated for couple of pages.
>>>
>>> [mpegts @ 0x1e166e0] max_analyze_duration reached
>>> [NULL @ 0x1e3a630] start time is not set in av_estimate_timings_from_pts
>>> Input #0, mpegts, from '/video/default/8941_20101127194500.mpg':
>>> �Duration: 00:46:26.00, start: 5649.660133, bitrate: 7424 kb/s
>>> �Program 1
>>> � �Stream #0.0[0x1518]: Video: h264, yuv420p, 1440x1080 [PAR 4:3 DAR
>>> 16:9], 27.53 fps, 25 tbr, 90k tbn, 50 tbc
>>> � �Stream #0.1[0x151a](NAR): Audio: mp2, 48000 Hz, 2 channels, s16, 256
>>> kb/s
>>> � �Stream #0.2[0x151b](eng): Subtitle: [6][0][0][0] / 0x0006
>>> � �Stream #0.3[0x151c](eng): Subtitle: dvbsub
>>> � �Stream #0.4[0x1519](eng): Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
>>> At least one output file must be specified
>>>
>>> Dave K.
>>>
>>
>> Is 00:46:26.00 the correct duration? What does MythTV show for the
>> duration? We now use the ffmpeg duration so if it's correct then the
>> next release will contain the fix.
>>
>> Regards.
>> --
>> Taylor
>>
>>
>
> Yes 00:46:26.00 is the correct duration, MythTV reports 00:36:07 when
> playing back the recording in mythfrontend. Playback continues when the
> status bar reaches the end but rewind and fast forward do not work
> correctly.
>
> Will the fix be backported to 0.24-fixes?
>
> Thanks,
>
> Dave
>

I wasn't planning on back-porting the change since it still needs
considerable testing and caused a few issues already that I had to
fix. Could you play the recording back with -v playback,timestamp and
see if you find any messages with "repeat_pict" in them?

Regards,
--
Taylor