[FFmpeg-trac] #2078(undetermined:new): FFMPEG created WTV files cannot be fast forwarded or fast rewound in Windows Media Center

FFmpeg trac at avcodec.org
Sat Dec 29 19:31:02 CET 2012


#2078: FFMPEG created WTV files cannot be fast forwarded or fast rewound in
Windows Media Center
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  wtv          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by ramitbhalla):

 WTV support for H.264 -> Ticket #1945 (been marked as duplicate of #536)

 Here is the output of recoding, still the same issue while FF / RW:

 {{{
 ffmpeg -i "..\Himoe_USA_WRC-HD.ts" -vcodec mpeg2video -qscale 2 -acodec
 ac3 -ab 384k test.wtv

 ffmpeg version N-48065-g6375318 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Dec 21 2012 09:06:30 with gcc 4.7.2 (GCC)
   configuration: --enable-static --arch=x86 --target-os=mingw32 --cross-
 prefix=/home/rdp/dev/ffmpeg-windows-build-helper
 s/sandbox/mingw-w64-i686/bin/i686-w64-mingw32- --pkg-config=pkg-config
 --enable-gpl --enable-libx264 --enable-avisynth -
 -enable-libxvid --enable-libmp3lame --enable-version3 --enable-zlib
 --enable-librtmp --enable-libvorbis --enable-libtheo
 ra --enable-libspeex --enable-libopenjpeg --enable-gnutls --enable-libgsm
 --enable-libfreetype --enable-fontconfig --ena
 ble-libass --enable-libutvideo --enable-libopus --disable-w32threads
 --enable-frei0r --enable-filter=frei0r --enable-lib
 vo-aacenc --enable-bzlib --enable-libxavs --extra-
 cflags=-DPTW32_STATIC_LIB --enable-libopencore-amrnb --enable-libopenc
 ore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-
 libbluray --enable-libvpx --enable-runtime-cpudetect

   libavutil      52. 12.100 / 52. 12.100
   libavcodec     54. 81.100 / 54. 81.100
   libavformat    54. 49.102 / 54. 49.102
   libavdevice    54.  3.102 / 54.  3.102
   libavfilter     3. 29.100 /  3. 29.100
   libswscale      2.  1.103 /  2.  1.103
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, mpeg, from '..\Himoe_USA_WRC-HD.ts':
   Duration: 00:20:26.79, start: 0.200000, bitrate: 15313 kb/s
     Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p, 1920x1080 [SAR
 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn,
 59.94 tbc
     Stream #0:1[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 96 kb/s (visual
 impaired)
 Please use -q:a or -q:v, -qscale is ambiguous
 File 'test.wtv' already exists. Overwrite ? [y/N] y
 Output #0, wtv, to 'test.wtv':
   Metadata:
     encoder         : Lavf54.49.102
     Stream #0:0: Video: mpeg2video (mpg2 / 0x3267706D), yuv420p, 1920x1080
 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 10000k
 tbn, 29.97 tbc
     Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, fltp,
 384 kb/s (visual impaired)
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg2video -> mpeg2video)
   Stream #0:1 -> #0:1 (ac3 -> ac3)
 Press [q] to stop, [?] for help
 incomplete frame 42 q=2.0 size= 3780118kB time=00:20:26.77
 bitrate=25242.3kbits/s dup=1 drop=0
 frame=36774 fps= 42 q=2.0 Lsize= 3784576kB time=00:20:26.99
 bitrate=25267.7kbits/s dup=1 drop=0    =0
 video:3714268kB audio:57507kB subtitle:0 global headers:0kB muxing
 overhead 0.339377%

 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2078#comment:7>
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