[FFmpeg-devel] [FFmpeg-cvslog] avformat: add vividas demuxer

[Paul B Mahol]

On 12/22/18, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2018-12-20 19:33 GMT+01:00, Paul B Mahol <git at videolan.org>:
>> ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Dec 10
>> 12:15:50 2018 +0100| [d06aae732c16bd4c490c6dfa35cc2a35129c640f] |
>> committer:
>> Paul B Mahol
>>
>> avformat: add vividas demuxer
>
> Crashes here on stream-copying a sample from
> http://samples.ffmpeg.org/archive/container/unknown/
>
> $ valgrind ffmpeg_g -i
> unknown+unknown+unknown+unknown+5064_cliplive5-16_2_644.viv -c copy -f
> null -
> ==23818==
> ffmpeg version N-92766-g6a87729 Copyright (c) 2000-2018 the FFmpeg
> developers
>   built with gcc 6.4.0 (GCC)
>   configuration: --enable-gpl --enable-libxml2 --enable-gnutls
> --enable-gmp --enable-version3 --enable-libx264
>   libavutil      56. 25.100 / 56. 25.100
>   libavcodec     58. 42.104 / 58. 42.104
>   libavformat    58. 25.100 / 58. 25.100
>   libavdevice    58.  6.101 / 58.  6.101
>   libavfilter     7. 46.101 /  7. 46.101
>   libswscale      5.  4.100 /  5.  4.100
>   libswresample   3.  4.100 /  3.  4.100
>   libpostproc    55.  4.100 / 55.  4.100
> Input #0, vividas, from
> 'unknown+unknown+unknown+unknown+5064_cliplive5-16_2_644.viv':
>   Duration: N/A, start: 0.000000, bitrate: N/A
>     Stream #0:0: Video: vp6, yuv420p, 432x320, 25 tbr, 25 tbn, 25 tbc
>     Stream #0:1: Audio: vorbis, 44100 Hz, stereo, fltp
> Output #0, null, to 'pipe:':
>   Metadata:
>     encoder         : Lavf58.25.100
>     Stream #0:0: Video: vp6, yuv420p, 432x320, q=2-31, 25 tbr, 25 tbn, 25
> tbc
>     Stream #0:1: Audio: vorbis, 44100 Hz, stereo, fltp
> Stream mapping:
>   Stream #0:0 -> #0:0 (copy)
>   Stream #0:1 -> #0:1 (copy)
> Press [q] to stop, [?] for help
> ==23818== Invalid read of size 8=N/A time=00:06:00.63 bitrate=N/A speed=
> 103x
> ==23818==    at 0x6766CA: ffio_read_varlen (aviobuf.c:930)
> ==23818==    by 0x79F932: viv_read_packet (vividas.c:621)
> ==23818==    by 0x790A6D: ff_read_packet (utils.c:856)
> ==23818==    by 0x793ED3: read_frame_internal (utils.c:1582)
> ==23818==    by 0x795021: av_read_frame (utils.c:1779)
> ==23818==    by 0x4A8C07: transcode (ffmpeg.c:4147)
> ==23818==    by 0x486F82: main (ffmpeg.c:4891)
> ==23818==  Address 0x18 is not stack'd, malloc'd or (recently) free'd
> ==23818==
> ==23818==
> ==23818== Process terminating with default action of signal 11 (SIGSEGV)

Can not reproduce.