[FFmpeg-trac] #11373(avcodec:new): Assertion ret >= 0 failed at libavcodec/vlc.c:238

[FFmpeg]

#11373: Assertion ret >= 0 failed at libavcodec/vlc.c:238
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             Reporter:  Kyant       |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Description changed by Kyant:

Old description:

> Summary of the bug: I got crash when using avformat_find_stream_info for
> m4a (maybe), randomly.
>
> Here is the log:
> FFmpeg: incorrect codes
> FFmpeg: needed 144 had 352
> FFmpeg: Assertion ret >= 0 failed at libavcodec/vlc.c:238
>
> Stack trace:
> {{{
>     #00 pc 000000000004fe2c
> /apex/com.android.runtime/lib64/bionic/libc.so (abort+180)
>     #01 pc 000000000013580c  /lib/arm64/libffmpeg.so
>     #02 pc 00000000001356c8  /lib/arm64/libffmpeg.so
> (ff_vlc_init_sparse+1340)
>     #03 pc 0000000000135db8  /lib/arm64/libffmpeg.so
> (ff_vlc_init_table_sparse+72)
>     #04 pc 0000000000131ad8  /lib/arm64/libffmpeg.so
> (ff_aac_decode_init+400)
>     #05 pc 000000000012e5ac  /lib/arm64/libffmpeg.so (avcodec_open2+1040)
>     #06 pc 00000000001215d0  /lib/arm64/libffmpeg.so
> (avformat_find_stream_info+532)
> }}}
>
> How to reproduce:
> Use avformat_find_stream_info for m4a (alac) may occasionally get crash.

New description:

 Summary of the bug: I got crash when using avformat_find_stream_info for
 some m4a.

 Here is the log:
 FFmpeg: incorrect codes
 FFmpeg: needed 144 had 352
 FFmpeg: Assertion ret >= 0 failed at libavcodec/vlc.c:238

 Stack trace:
 {{{
     #00 pc 000000000004fe2c
 /apex/com.android.runtime/lib64/bionic/libc.so (abort+180)
     #01 pc 000000000013580c  /lib/arm64/libffmpeg.so
     #02 pc 00000000001356c8  /lib/arm64/libffmpeg.so
 (ff_vlc_init_sparse+1340)
     #03 pc 0000000000135db8  /lib/arm64/libffmpeg.so
 (ff_vlc_init_table_sparse+72)
     #04 pc 0000000000131ad8  /lib/arm64/libffmpeg.so
 (ff_aac_decode_init+400)
     #05 pc 000000000012e5ac  /lib/arm64/libffmpeg.so (avcodec_open2+1040)
     #06 pc 00000000001215d0  /lib/arm64/libffmpeg.so
 (avformat_find_stream_info+532)
 }}}

 How to reproduce:
 Use avformat_find_stream_info for m4a (alac) may occasionally get crash.

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Ticket URL: <https://trac.ffmpeg.org/ticket/11373#comment:1>
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