[FFmpeg-trac] #155(FFmpeg:new): Broken frames transcoding/subclipping from GoPro H.264 to XDCAM

[FFmpeg]

#155: Broken frames transcoding/subclipping from GoPro H.264 to XDCAM
--------------------------+---------------------
  Reporter:  rmk          |      Owner:  michael
      Type:  defect       |     Status:  new
  Priority:  normal       |  Component:  FFmpeg
   Version:  unspecified  |   Keywords:
Blocked By:               |   Blocking:
Reproduced:  0            |   Analyzed:  0
--------------------------+---------------------
 The following command line results in the last 2 frames being broken (see
 attached png export of the last frame):

 -y -i /Users/krueger/testdata/ffmpeg/GOPR0019.MP4 -t 2.96 -f mov -vcodec
 mpeg2video -r 25 -pix_fmt yuv422p -qscale 1.0 -qmax 1 -dc 10 -g 12 -bf 2
 -flags2 +ivlc+sgop+non_linear_q -acodec pcm_s24le -ar 48000
 /Users/krueger/testdata/ffmpeg/GOPR0019-XDCAM-HD422-720p25-clipped-
 ffmpeg.mov
 ffmpeg version git-N-29582-g707e861, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on May  4 2011 18:02:59 with gcc 4.2.1 (Apple Inc. build 5664)
   configuration: --enable-gpl --enable-nonfree --enable-libx264 --enable-
 libfaac --enable-libmp3lame
   libavutil    51.  2. 0 / 51.  2. 0
   libavcodec   53.  3. 0 / 53.  3. 0
   libavformat  53.  0. 3 / 53.  0. 3
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2.  4. 0 /  2.  4. 0
   libswscale    0. 14. 0 /  0. 14. 0
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
 '/Users/krueger/testdata/ffmpeg/GOPR0019.MP4':
   Metadata:
     major_brand     : avc1
     minor_version   : 0
     compatible_brands: avc1isom
     creation_time   : 2009-02-16 11:13:18
   Duration: 00:00:05.48, start: 0.000000, bitrate: 8916 kb/s
     Stream #0.0(eng): Video: h264 (Main), yuv420p, 1280x720 [PAR 1:1 DAR
 16:9], 8874 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
     Metadata:
       creation_time   : 2009-02-16 11:13:18
     Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 127 kb/s
     Metadata:
       creation_time   : 2009-02-16 11:13:18
 Incompatible sample format 's16' for codec 'pcm_s24le', auto-selecting
 format 's32'
 [buffer @ 0x100f01b80] w:1280 h:720 pixfmt:yuv420p
 [ffsink @ 0x100f023c0] auto-inserting filter 'auto-inserted scaler 0'
 between the filter 'src' and the filter 'out'
 [scale @ 0x100f026e0] w:1280 h:720 fmt:yuv420p -> w:1280 h:720 fmt:yuv422p
 flags:0xa0000004
 Output #0, mov, to '/Users/krueger/testdata/ffmpeg/GOPR0019-XDCAM-
 HD422-720p25-clipped-ffmpeg.mov':
   Metadata:
     major_brand     : avc1
     minor_version   : 0
     compatible_brands: avc1isom
     creation_time   : 2009-02-16 11:13:18
     encoder         : Lavf53.0.3
     Stream #0.0(eng): Video: mpeg2video, yuv422p, 1280x720 [PAR 1:1 DAR
 16:9], q=2-1, 200 kb/s, 25 tbn, 25 tbc
     Metadata:
       creation_time   : 2009-02-16 11:13:18
     Stream #0.1(eng): Audio: pcm_s24le, 48000 Hz, stereo, s32, 2304 kb/s
     Metadata:
       creation_time   : 2009-02-16 11:13:18
 Stream mapping:
   Stream #0.0 -> #0.0
   Stream #0.1 -> #0.1
 Press [q] to stop encoding
 frame=   74 fps= 24 q=1.0 Lsize=    6255kB time=2.92
 bitrate=17549.4kbits/s
 video:5419kB audio:834kB global headers:0kB muxing overhead 0.044231%

 I'm attaching the video here because upload.ffmpeg.org as described on the
 website does not seem to work.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/155>
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