[FFmpeg-trac] #5152(undetermined:new): Broken B frames while copying MPEG-2 ibp without recompression from some point
FFmpeg
trac at avcodec.org
Tue Jan 12 12:20:21 CET 2016
#5152: Broken B frames while copying MPEG-2 ibp without recompression from some
point
-------------------------------------+-------------------------------------
Reporter: | Owner:
Aleksandr_Slobodeniuk | Status: new
Type: defect | Component:
Priority: normal | undetermined
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by Aleksandr_Slobodeniuk):
{{{
C:\data>ffmpeg -i opengop.mov -ss 3 -t 1 -c copy result.mov
ffmpeg version N-77782-g42c54d4 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
libcaca --
enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
--enable-l
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
--enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
librtmp --en
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--ena
ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-
amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enabl
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
libzimg --
enable-lzma --enable-decklink --enable-zlib
libavutil 55. 13.100 / 55. 13.100
libavcodec 57. 22.100 / 57. 22.100
libavformat 57. 21.101 / 57. 21.101
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 23.100 / 6. 23.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 02cc0960] ignoring 'frma' atom of 'in24',
stream form
at is 'in24'
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'opengop.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf57.21.101
Duration: 00:00:05.04, start: 0.000000, bitrate: 51487 kb/s
Stream #0:0(eng): Video: mpeg2video (4:2:2) (xd5c / 0x63356478),
yuv422p(tv,
bt709), 1920x1080 [SAR 1:1 DAR 16:9], 50337 kb/s, 25 fps, 25 tbr, 12800
tbn, 50
tbc (default)
Metadata:
handler_name : DataHandler
encoder : XDCAM HD422 1080i50
timecode : 00:00:00:00
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz,
mono, s32
(24 bit), 1152 kb/s (default)
Metadata:
handler_name : DataHandler
Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
Metadata:
handler_name : DataHandler
timecode : 00:00:00:00
File 'result.mov' already exists. Overwrite ? [y/N] y
[mov @ 02cc3d00] Codec for stream 0 does not use global headers but
container fo
rmat requires global headers
[mov @ 02cc3d00] Codec for stream 1 does not use global headers but
container fo
rmat requires global headers
Output #0, mov, to 'result.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf57.21.101
Stream #0:0(eng): Video: mpeg2video (xd5c / 0x63356478), yuv422p,
1920x1080
[SAR 1:1 DAR 16:9], q=2-31, 50337 kb/s, 25 fps, 25 tbr, 12800 tbn, 12800
tbc (de
fault)
Metadata:
handler_name : DataHandler
encoder : XDCAM HD422 1080i50
timecode : 00:00:00:00
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono
(24 b
it), 1152 kb/s (default)
Metadata:
handler_name : DataHandler
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 17 fps=0.0 q=-1.0 Lsize= 3655kB time=00:00:01.00
bitrate=29943.0kbit
s/s speed=83.3x
video:3512kB audio:141kB subtitle:0kB other streams:0kB global headers:0kB
muxin
g overhead: 0.065367%
C:\data>ffmpeg -i result.mov %d.png
ffmpeg version N-77782-g42c54d4 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.2.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
libcaca --
enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
--enable-l
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
--enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
librtmp --en
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--ena
ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-
amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enabl
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
libzimg --
enable-lzma --enable-decklink --enable-zlib
libavutil 55. 13.100 / 55. 13.100
libavcodec 57. 22.100 / 57. 22.100
libavformat 57. 21.101 / 57. 21.101
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 23.100 / 6. 23.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 00a90480] ignoring 'frma' atom of 'in24',
stream form
at is 'in24'
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'result.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf57.21.101
Duration: 00:00:01.00, start: 0.000000, bitrate: 29943 kb/s
Stream #0:0(eng): Video: mpeg2video (4:2:2) (xd5c / 0x63356478),
yuv422p(tv,
bt709), 1920x1080 [SAR 1:1 DAR 16:9], 42311 kb/s, 25 fps, 25 tbr, 12800
tbn, 50
tbc (default)
Metadata:
handler_name : DataHandler
encoder : XDCAM HD422 1080i50
timecode : 00:00:00:00
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz,
mono, s32
(24 bit), 1152 kb/s (default)
Metadata:
handler_name : DataHandler
Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
Metadata:
handler_name : DataHandler
timecode : 00:00:00:00
Output #0, image2, to '%d.png':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf57.21.101
Stream #0:0(eng): Video: png, rgb24, 1920x1080 [SAR 1:1 DAR 16:9],
q=2-31, 2
00 kb/s, 25 fps, 25 tbn, 25 tbc (default)
Metadata:
handler_name : DataHandler
timecode : 00:00:00:00
encoder : Lavc57.22.100 png
Stream mapping:
Stream #0:0 -> #0:0 (mpeg2video (native) -> png (native))
Press [q] to stop, [?] for help
frame= 13 fps=0.0 q=-0.0 size=N/A time=00:00:00.36 bitrate=N/A dup=11
drop=0 s
frame= 17 fps= 11 q=-0.0 size=N/A time=00:00:00.52 bitrate=N/A dup=11
drop=0 s
frame= 22 fps=9.1 q=-0.0 size=N/A time=00:00:00.72 bitrate=N/A dup=11
drop=0 s
frame= 27 fps=9.2 q=-0.0 size=N/A time=00:00:00.92 bitrate=N/A dup=12
drop=0 s
frame= 27 fps=7.7 q=-0.0 Lsize=N/A time=00:00:01.08 bitrate=N/A dup=12
drop=0
speed=0.309x
video:58376kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing
overhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5152#comment:2>
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