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84 Commits

Author SHA1 Message Date
Alexandra Khirnova
d744801f1a xan: Convert to bytestream2 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-01-09 09:59:55 +01:00
Anton Khirnov
d47dabbac2 xan: return a meaningful error code. 2013-01-06 13:31:40 +01:00
Anton Khirnov
51648da4dc xan: remove a trivially true if(). 
This function used to be shared with the xxan decoder, but that is not
true anymore.
 2012-12-24 09:17:57 +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
Diego Biurrun
5bac2d0c30 avutil: Move memcpy_backptr() to mem.c 
The function is used elsewhere and does not belong with the LZO code.
 2012-10-25 11:36:57 +02:00
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
Diego Biurrun
aaf47bcde7 Drop ALT_ prefix from BITSTREAM_READER_LE name. 
The prefix is a historic remnant that probably meant "alternative".
Now that the A32 bitstream reader has been dropped it makes no sense anymore.
 2011-12-22 16:51:23 +01:00
Nathan Adil Maxson
6eedeefe0b xan.c: coding style clean-up. 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-12-03 14:11:26 -08:00
Laurent Aimar
7d17a794f0 xan: Prevent NULL dereference with missing palette 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-07 17:15:31 +02:00
Laurent Aimar
3db3fdf4c6 xan: Check for out of bound reads in xan_huffman_decode() 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-07 16:25:32 +02:00
Laurent Aimar
3e0757c2a8 xan: Fixed out of bound accesses in xan_unpack() 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-07 16:25:32 +02:00
Laurent Aimar
06be075cda xan: Prevent NULL dereferences with missing reference frame 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-07 16:25:31 +02:00
Laurent Aimar
124a16f678 xan: Prevent out of bound accesses 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-07 16:25:30 +02:00
Alex Converse
0872bb23b4 xan: Add some buffer checks 2011-09-12 11:18:57 -07:00
Alex Converse
350f57bd7b xan: Remove extra trailing newline 2011-09-12 11:18:57 -07:00
Laurent Aimar
393d5031c6 Fixed size given to init_get_bits() in xan decoder. 2011-09-12 11:18:57 -07:00
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
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
Kostya
90e8a9c34f Remove Xan WC4 cruft from xan.c 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-02-07 08:06:16 -05:00
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
Reimar Döffinger
782f69e8a5 Fix memleak: free palette data on close. 
Originally committed as revision 25816 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-23 20:42:03 +00:00
Reimar Döffinger
18d761a1b1 Fix indentation. 
Originally committed as revision 25780 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-21 10:38:08 +00:00
Reimar Döffinger
3354b05187 Add explanation and alternative implementation for strange xan 
gamma correction.

Originally committed as revision 25779 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-21 10:37:26 +00:00
Reimar Döffinger
24ae353dfb WC3/xan: move palette handling to decoder, avoiding need for 
PaletteControl.
This also fixes playback of some files with ffplay (images were
corrupted for a short time after a palette change).

Originally committed as revision 25778 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-21 10:32:23 +00:00
Stefano Sabatini
f2f8fb1035 Remove redundant text in the log. 
Originally committed as revision 25517 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-10-18 13:19:59 +00:00
Stefano Sabatini
082a857522 Make XAN decoder return meaningful error codes. 
Originally committed as revision 25516 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-10-18 13:19:53 +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
Diego Biurrun
cb39768960 Add long_name for Xxan codec. 
Originally committed as revision 20900 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-12-19 18:41:03 +00:00
Kostya Shishkov
0080402d36 Improve handling allocated buffers in Xan decoder 
Originally committed as revision 20899 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-12-19 17:04:30 +00:00
Kostya Shishkov
2628f515fe cosmetics: reindent a bit 
Originally committed as revision 20898 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-12-19 16:39:21 +00:00
Reimar Döffinger
4a49ab77c6 Remove unnecessary calls to avcodec_check_dimensions, the check is already 
done at a higher level.

Originally committed as revision 20229 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-10-13 20:13:28 +00:00
Reimar Döffinger
5333450ce6 Use memcpy to copy till end of line in one go instead of copying pixel by pixel 
in xan_wc3_output_pixel_run and xan_wc3_copy_pixel_run

Originally committed as revision 19774 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-05 19:35:59 +00:00
Reimar Döffinger
64b8e620cb Slightly simplify detection of end of compressed data in xan_unpack 
Originally committed as revision 19772 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-05 19:14:44 +00:00
Måns Rullgård
3aab27b459 Remove useless #include <unistd.h> from many files 
Originally committed as revision 19499 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-22 23:37:53 +00:00
Reimar Döffinger
f63f689e10 Avoid code duplication in xan_unpack for the final memcpy. 
Originally committed as revision 18608 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-18 17:26:00 +00:00
Reimar Döffinger
d7670f2827 Use sign_extend function instead of reimplementing it. 
Originally committed as revision 18599 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 20:05:27 +00:00
Reimar Döffinger
e62f622193 Remove a useless "& 0xF" 
Originally committed as revision 18598 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 20:01:45 +00:00
Reimar Döffinger
977d813447 Use / and % operators instead of reimplementing them with a loop. 
Originally committed as revision 18597 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:56:50 +00:00
Reimar Döffinger
b1e309865f Change buffer check to avoid an unlikely pointer arithmetic overflow. 
Originally committed as revision 18596 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:49:55 +00:00
Reimar Döffinger
be50938073 Simplify xan_huffman_decode by using get_bits 
Originally committed as revision 18595 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:48:54 +00:00
Reimar Döffinger
e5986d0427 Cosmetics to improve xan_unpack readability 
Originally committed as revision 18590 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:14:11 +00:00
Reimar Döffinger
16cc5a738c Fix buffer size check for xan_unpack which was broken by r18586 
Originally committed as revision 18589 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:07:16 +00:00
Reimar Döffinger
c644665f42 Some more simplifications of xan_unpack 
Originally committed as revision 18588 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 19:03:43 +00:00
Reimar Döffinger
455fdd2f8c Reindent xan_unpack code 
Originally committed as revision 18587 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 18:56:47 +00:00
Reimar Döffinger
948f60fa24 Avoid some code duplication in xan_unpack 
Originally committed as revision 18586 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 18:54:17 +00:00
Reimar Döffinger
59bd7f23e8 Increase buffer padding to avoid most space checks in xan_unpack 
Originally committed as revision 18584 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 18:26:24 +00:00
Reimar Döffinger
4b96f43fe1 Change buffer size checks to avoid the very unlikely overflow case. 
Originally committed as revision 18576 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-17 18:03:00 +00:00