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1f0c607560
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108 Commits

Author SHA1 Message Date
Luca Barbato
1f0c607560 4xm: drop pointless assert 
Make sure the value of wlog2 is always between 0 and 3.
 2013-06-12 14:45:46 +02:00
Luca Barbato
b8b809908e 4xm: forward errors from decode_p_block 
Partially mitigate out of memory writes.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-06-12 14:45:46 +02:00
Luca Barbato
50ec1db62d 4xm: fold last_picture lazy allocation in decode_p_frame 2013-06-12 14:45:46 +02:00
Luca Barbato
e7a44f87d0 4xm: refactor fourxm_read_header 
Split sound and video tag parsing in separate functions.
 2013-06-12 14:45:46 +02:00
Luca Barbato
08859d19b4 4xm: use the correct logging context 2013-06-12 14:45:46 +02:00
Diego Biurrun
2832ea26f3 Remove commented-out debug #define cruft 2013-05-16 00:23:30 +02:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Anton Khirnov
8097fc9a2d 4xm: check the return value of read_huffman_tables(). 
CC:libav-stable@libav.org
 2013-02-23 09:13:08 +01:00
Diego Biurrun
88bd7fdc82 Drop DCTELEM typedef 
It does not help as an abstraction and adds dsputil dependencies.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2013-01-22 18:32:56 -08:00
Anton Khirnov
f7d15d2f42 4xm: operate with pointers to AVFrames instead of whole structs. 
This is more correct and avoids breaking extended_data.
 2013-01-06 13:31:39 +01:00
Anton Khirnov
85383d139a 4xm: eliminate a pointless indirection 2013-01-06 13:31:39 +01:00
Anton Khirnov
aa15afb7ce 4xm: simplify code with FFSWAP 2013-01-06 13:31:39 +01:00
Anton Khirnov
10c26e928a 4xm: return meaningful error codes 2013-01-06 13:31:39 +01:00
Anton Khirnov
b047c68783 4xm: don't rely on get_buffer() initializing the frame. 2012-12-23 11:17:53 +01:00
Diego Biurrun
511cf612ac miscellaneous typo fixes 2012-12-21 00:18:34 +01:00
Anton Khirnov
df9b956751 lavc: fix decode_frame() third parameter semantics for video decoders 
It's got_frame, not data size
 2012-12-04 21:45:36 +01:00
Anton Khirnov
594d4d5df3 lavc: add a wrapper for AVCodecContext.get_buffer(). 
It will be useful in the upcoming transition to refcounted AVFrames.
 2012-12-04 21:41:59 +01:00
Anton Khirnov
716d413c13 Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat 2012-10-08 07:13:26 +02:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Mans Rullgard
acb2c79c21 4xm: fix invalid array indexing 
Indexing outside arrays is invalid and breaks with gcc 4.8.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-04-29 01:08:37 +01:00
Diego Biurrun
a92be9b856 Replace memset(0) by zero initializations. 
Also remove one pointless zero initialization in rangecoder.c.
 2012-03-28 09:38:33 +02:00
Martin Storsjö
9cf0841ef3 dsputil: Add ff_ prefix to the dsputil*_init* functions 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:06:34 +02:00
Martin Storsjö
e96b4a53df vlc/rl: Add ff_ prefix to the nonstatic symbols 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:06:26 +02:00
Yordan Makariev
0c5d78a898 4xm, timefilter: K&R formatting cosmetics 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-02-10 15:48:50 +01:00
Alex Converse
7181c4edee cosmetics: Remove extra newlines at EOF 2012-01-27 17:19:09 -08:00
Aneesh Dogra
9b55b4bb3a 4xm: Prevent buffer overreads. 
4xm decoder while decoding i2 frames can overread the buffer if proper checks
are not made.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2012-01-05 09:37:16 -08:00
Ronald S. Bultje
3fa646e859 Revert "4xm: Prevent buffer overreads." 
This reverts commit 295a7c0238. The
patch breaks decoding of regular files (e.g. fate-4xm-2).
 2012-01-04 21:27:31 -08:00
Aneesh Dogra
295a7c0238 4xm: Prevent buffer overreads. 
4xm decoder while decoding i2 frames can overread the buffer if proper checks
are not made.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2012-01-04 21:15:50 -08:00
Aneesh Dogra
4b84f68223 4xm: pass the correct remaining buffer size to decode_i2_frame(). 
frame_size is the number of bytes left in the packet, so if we are passing
buf-4 we can safely read frame_size+4 bytes.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2012-01-04 21:10:11 -08:00
Aneesh Dogra
893f137679 4xm: fix calculation of the next output line position in decode_i2_frame(). 
The current code doesn't work unless width is an exact multiple of 16.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2012-01-04 21:09:22 -08:00
Anton Khirnov
d09298f0d6 4xm: remove unused variables. 2011-12-23 09:23:20 +01:00
Shitiz Garg
355d917c0b 4xm: Add a check in decode_i_frame to prevent buffer overreads 
Fixes bugzilla #135

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-12-22 23:26:55 +01:00
Aneesh Dogra
1443ea93d9 4xm: Use bytestream2 functions to prevent overreads 
Fixes Bug 110.

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
 2011-12-20 13:17:09 -05:00
Justin Ruggles
bc78ceec2b 4xm: remove unneeded check for remaining unused data. 
This is unnecessary complication that only prints a message and does not
affect decoding.
 2011-12-18 13:43:45 -05:00
Laurent Aimar
1b1182ce97 4xm: prevent NULL dereference with invalid huffman table 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-10 21:37:36 +02:00
Laurent Aimar
8d518a9c4f 4xm: clear FF_INPUT_BUFFER_PADDING_SIZE bytes in temporary buffers 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-10 21:37:35 +02:00
Mans Rullgard
84dda40762 4xm: fix signed overflow 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-10-09 23:13:35 +01:00
Anton Khirnov
ec6402b7c5 lavc: use designated initialisers for all codecs. 
It's more readable and less prone to breakage.
 2011-07-29 08:42:34 +02:00
Stefano Sabatini
975a1447f7 Replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_*. 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-05-02 12:18:44 +02:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Diego Elio Pettenò
d36beb3f69 Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf. 
None of these symbols should be accessed directly, so declare them as
hidden.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-26 16:08:45 +00:00
Michael Niedermayer
013291501f Allocate last picture for 4xm pfrm if its not allocated. 
Fixes segfault and issue2527

Originally committed as revision 26397 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2011-01-16 22:08:34 +00:00
Vitor Sessak
c4e8733ac1 Fix visual artifacts in 4XM decoding on big-endian system 
Originally committed as revision 25734 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-12 19:55:26 +00:00
Måns Rullgård
8fc0162ac4 Add av_ prefix to bswap macros 
Originally committed as revision 24170 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-10 22:12:30 +00:00
Måns Rullgård
e6b22522c9 bswap: change ME to NE in macro names 
Other parts of FFmpeg use NE (native endian) rather than ME (machine).
This makes it consistent.

Originally committed as revision 24169 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-10 22:09:01 +00:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-20 14:45:34 +00:00
Stefano Sabatini
72415b2adb Define AVMediaType enum, and use it instead of enum CodecType, which 
is deprecated and will be dropped at the next major bump.

Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-30 23:30:55 +00:00
Måns Rullgård
84dc2d8afa Remove DECLARE_ALIGNED_{8,16} macros 
These macros are redundant.  All uses are replaced with the generic
DECLARE_ALIGNED macro instead.

Originally committed as revision 22233 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-06 14:24:59 +00:00
Måns Rullgård
c67278098d Move array specifiers outside DECLARE_ALIGNED() invocations 
Originally committed as revision 21377 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-22 03:25:11 +00:00
Carl Eugen Hoyos
59043195d4 Fix red/blue swap for 4xa files. 
Originally committed as revision 21070 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-01-07 22:33:26 +00:00