[FFmpeg-trac] #3900(avformat:new): ff_check_h264_startcode does not support 3-byte startcodes

[FFmpeg]

#3900: ff_check_h264_startcode does not support 3-byte startcodes
----------------------------------+------------------------------------
             Reporter:  Lastique  |                    Owner:
                 Type:  defect    |                   Status:  new
             Priority:  normal    |                Component:  avformat
              Version:  2.3       |               Resolution:
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+------------------------------------

Comment (by Lastique):

 You can try the following command:


 {{{
 ffmpeg -i ticket3900.avi -vcodec copy -an out.avi
 }}}

 It produces the follwoing output for me:

 {{{
 ffmpeg version 2.3.3 Copyright (c) 2000-2014 the FFmpeg developers
   built on Aug 28 2014 10:54:00 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector
 --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-
 ldflags='-Wl,-Bsymbolic-functions -Wl,-z,relro' --cc='ccache cc' --enable-
 shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-
 libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-
 postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-
 libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-
 libschroedinger --disable-encoder=libschroedinger --enable-version3
 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-
 libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-
 amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-
 vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r
 --enable-openssl --enable-libass --enable-libopus --enable-fontconfig
 --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-
 mipsdspr2 --enable-libzvbi --enable-avresample --enable-libiec61883
 --enable-libfdk-aac --enable-vaapi --enable-libx265 --enable-libdc1394
 --disable-altivec --disable-armv5te --disable-armv6
 --shlibdir=/usr/lib/x86_64-linux-gnu
   libavutil      52. 92.100 / 52. 92.100
   libavcodec     55. 69.100 / 55. 69.100
   libavformat    55. 48.100 / 55. 48.100
   libavdevice    55. 13.102 / 55. 13.102
   libavfilter     4. 11.100 /  4. 11.100
   libavresample   1.  3.  0 /  1.  3.  0
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from 'ticket3900.avi':
   Metadata:
     encoder         : Lavf55.48.100
   Duration: 00:00:20.22, start: 0.000000, bitrate: 135 kb/s
     Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuvj420p(pc),
 320x240, 94 kb/s, 20 fps, 20 tbr, 20 tbn, 40 tbc
     Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), 16000 Hz, mono,
 fltp, 128 kb/s
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.48.100
     Stream #0:0: Video: h264 (H264 / 0x34363248), yuvj420p, 320x240,
 q=2-31, 94 kb/s, 20 fps, 20 tbn, 20 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [avi @ 0x10f8b20] H.264 bitstream malformed, no startcode found, use the
 h264_mp4toannexb bitstream filter (-bsf h264_mp4toannexb)
 av_interleaved_write_frame(): Invalid argument
 frame=    1 fps=0.0 q=-1.0 Lsize=       6kB time=00:00:00.05 bitrate=
 915.2kbits/s
 video:6kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Conversion failed!
 }}}

 It succeeds when the patch is applied.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3900#comment:2>
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