[FFmpeg-trac] #2968(undetermined:new): Possible regression for mpegts decoding

FFmpeg trac at avcodec.org
Tue Sep 17 16:12:11 CEST 2013


#2968: Possible regression for mpegts decoding
--------------------------------------+----------------------------------
             Reporter:  werner        |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  2.0.1
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+----------------------------------
 Summary of the bug: Using 0.8.x, I am able to produce a working file from
 the attached sample. Using 2.0.1, all I get is a static image.
 How to reproduce:
 {{{
 % ffmpeg -f mpegts -i astriah264_short.ts -an out.ts -y
 ffmpeg version 2.0.1
 built on Sep 17 2013 07:50:13 with gcc 4.1.2 (GCC) 20080704 (Red Hat
 4.1.2-54)
 }}}
 Output:
 {{{
 ...
 [h264 @ 0x569c0c0] sps_id out of range
 [h264 @ 0x569c0c0] non-existing PPS referenced
 [h264 @ 0x569c0c0] sps_id out of range
 [h264 @ 0x569c0c0] non-existing PPS 0 referenced
 [h264 @ 0x569c0c0] decode_slice_header error
 [h264 @ 0x569c0c0] non-existing PPS 0 referenced
 [h264 @ 0x569c0c0] decode_slice_header error
 [h264 @ 0x569c0c0] non-existing PPS 0 referenced
 [h264 @ 0x569c0c0] decode_slice_header error
 [h264 @ 0x569c0c0] no frame!
 [h264 @ 0x569c0c0] Missing reference picture, default is 65530
     Last message repeated 5 times
 [mpegts @ 0x567de00] decoding for stream 0 failed
 [mpegts @ 0x567de00] PES packet size mismatch
 Input #0, mpegts, from 'astriah264_short.ts':
   Duration: 00:00:42.31, start: 15024.363800, bitrate: 991 kb/s
   Program 1
     Stream #0:0[0x20]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
 yuv420p, 352x480 [SAR 20:11 DAR 4:3], 29.97 tbr, 90k tbn, 180k tbc
     Stream #0:1[0x21]: Audio: aac ([15][0][0][0] / 0x000F), 48000 Hz,
 stereo, fltp, 63 kb/s
 Output #0, mpegts, to 'out.ts':
   Metadata:
     encoder         : Lavf55.12.100
     Stream #0:0: Video: mpeg2video, yuv420p, 352x480 [SAR 20:11 DAR 4:3],
 q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> mpeg2video)
 Press [q] to stop, [?] for help
 [h264 @ 0x5739a20] Missing reference picture, default is 0
 [h264 @ 0x5739a20] decode_slice_header error
 [h264 @ 0x5739a20] Missing reference picture, default is 0
 [h264 @ 0x5739a20] decode_slice_header error
 [h264 @ 0x5739a20] Missing reference picture, default is 0
 [h264 @ 0x5739a20] decode_slice_header error
 [h264 @ 0x577e400] Missing reference picture, default is 0
 [h264 @ 0x577e400] decode_slice_header error
 [h264 @ 0x577e400] Missing reference picture, default is 0
 [h264 @ 0x577e400] decode_slice_header error
 [h264 @ 0x577e400] Missing reference picture, default is 0
 [h264 @ 0x577e400] decode_slice_header error
 [h264 @ 0x57ec880] Missing reference picture, default is 0
 [h264 @ 0x57ec880] decode_slice_header error
 [h264 @ 0x57ec880] Missing reference picture, default is 0
 [h264 @ 0x57ec880] decode_slice_header error
 [h264 @ 0x585ad20] Missing reference picture, default is 65546
     Last message repeated 2 times
 [h264 @ 0x58c91c0] Missing reference picture, default is 65546
     Last message repeated 2 times
 error while decoding MB 6 11, bytestream (-37)=00:00:00.00 bitrate=N/A
 [h264 @ 0x577e400] concealing 461 DC, 461 AC, 461 MV errors in I frame
 frame= 1260 fps=551 q=15.9 Lsize=    1630kB time=00:00:42.00 bitrate=
 318.0kbits/s dup=1259 drop=0
 video:1359kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 19.998678%
 }}}
 But as I said, the file is unusable.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2968>
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