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13 Commits

Author SHA1 Message Date
Michael Niedermayer
4ef32aa2a6 avformat/apngdec: Use 64bit for ret to avoid overflow 
Missed this hunk in first commit

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 80a851aa5ef2c848449f741365968c8f0ccf4531)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-21 01:52:50 +01:00
Michael Niedermayer
7fe22c3fe6 avformat/apngdec: Use 64bit ret to avoid overflow 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 0e3d6e17dea758fdb7d0adfc57f7655551ab32b3)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-21 01:52:50 +01:00
Clément Bœsch
f295f9488a avformat/apngdec: make tag_buf string larger 
av_get_codec_tag_string() uses more that 1 char for unprintable characters.

(cherry picked from commit d60fb4f7946272d2ef39703762b54c5f3a1b5789)
 2014-12-19 18:00:40 -03:00
Benoit Fouet
d7716961a8 avformat/apngdec: exit probing when skipping is not possible. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-02 16:02:01 +01:00
Benoit Fouet
543fceba9c apng: move shared header from avformat to avcodec. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-02 15:52:31 +01:00
Benoit Fouet
e2b8b4caf6 avformat/apngdec: validate frame dimensions. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-26 23:51:07 +01:00
Benoit Fouet
8b8cb30d11 avformat/apngdec: use packet pts and duration instead of altering stream framerate. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-26 12:41:56 +01:00
Benoit Fouet
4acefd2521 avformat/apngdec: account for blend and dispose operations. 
When the dimensions are the entire frame ones, and the dispose operation
is to reset to background, or the new frame overwrites the new one, then
consider the frame as a key one.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-26 00:59:45 +01:00
Benoit Fouet
9e1cfbd38a avformat/apngdec: transmit all the chunks between consecutive fcTL ones. 
In order to support multiple IDAT of fdAT chunks following an fcTL one,
transmit all the chunks between two fcTL ones (or between fcTL and IEND
one).

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-24 21:10:03 +01:00
James Almer
305b03097d lavf/apngdec: print currently unsupported in-stream tags in a more readable form 
Also use length and not stream position

Reviewed-by: Benoit Fouet <benoit.fouet@free.fr>
Signed-off-by: James Almer <jamrial@gmail.com>
 2014-11-23 13:01:26 -03:00
Matthew Oliver
3bedd72a9e lavf: fix apngdec under msvc. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-22 13:20:34 +01:00
James Almer
14b9302f5f lavf/apngdec: properly skip currently unsupported in-stream tags 
Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Benoit Fouet <benoit.fouet@free.fr>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-22 13:14:28 +01:00
Benoit Fouet
5d37d70b0b avformat/apngdec: add APNG demuxer. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-21 17:13:56 +01:00