[FFmpeg-devel] [PATCH] don't trust avi riff tag end
Thu Mar 19 20:17:14 CET 2009
Michael Niedermayer wrote:
> On Thu, Mar 19, 2009 at 11:32:32AM -0700, Baptiste Coudurier wrote:
>> On 3/18/2009 9:39 PM, Michael Niedermayer wrote:
>>> On Wed, Mar 18, 2009 at 06:35:21PM -0700, Baptiste Coudurier wrote:
>>>> This should fix demuxing avi generated through streaming and read
>>>> through streaming.
>>>> In the later case, RIFF tag end is 0, and when reading url_fsize will
>>>> return 0.
>>>> Like ffmpeg -i <file> -f avi - | ffmpeg -i -
>>>> Any problem with this ?
>>> fsize is used to detect damaged chunks, with INT64_MAX damaged chunks
>>> are accepted and can lead to skiping of the whole file instead of searching
>>> for the next valid chunk
>> I see, would it be ok to only set fsize to INT64_MAX when riff end tag
>> is not set then ?
Baptiste COUDURIER GnuPG Key Id: 0x5C1ABAAA
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FFmpeg maintainer http://www.ffmpeg.org
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