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108 Commits

Author SHA1 Message Date
Vittorio Giovara
c6d7c201df indeo3: check ff_set_dimensions return value 
CC: libav-stable@libav.org
Bug-Id: CID 1135740
 2014-11-13 01:41:26 +01:00
Anton Khirnov
317d6a1503 indeo3: stop using deprecated avcodec_set_dimensions 2013-10-31 20:14:15 +01:00
Diego Biurrun
b2bed9325d cosmetics: Group .name and .long_name together in codec/format declarations 2013-10-03 23:32:01 +02:00
Janne Grunau
94235f2ba2 indeo3: avoid writes without necessary alignment in copy_cell() 
Cells starting at a position aligned to 8 pixels but wider than
4 blocks are copied with 3 blocks per loop. This creates problems on the
next loop iterations since the routine copying 2 blocks requires the
same alignment on some architectures like ARM NEON.
 2013-05-10 12:02:09 +02:00
Anton Khirnov
a97d8cc16e indeo3: use unaligned reads on reference blocks. 
They are not guaranteed to be aligned.
Fixes Bug 503.

CC:libav-stable@libav.org
 2013-05-07 12:29:56 +02:00
Anton Khirnov
bda9e6d923 indeo3: use put_pixels instead of put_no_rnd_pixels in copy_cell() 
They are the same in this case, except put_pixels also has blocksizes
smaller than 8.
 2013-04-30 11:06:03 +02:00
Anton Khirnov
95220be1fa indeo3: fix off by one in MV validity check 
CC:libav-stable@libav.org
 2013-04-30 11:06:03 +02:00
Ronald S. Bultje
8f992dc8c7 indeo3: Use hpeldsp instead of dsputil for half-pel functions 
This makes the Indeo 3 decoder independent of dsputil.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-04-19 23:17:50 +03:00
Anton Khirnov
a0a872d073 indeo3: check motion vectors. 
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
 2013-04-17 12:10:42 +02:00
Anton Khirnov
34e6af9e20 indeo3: fix data size check 
The data offsets are relative to the bistream header, which is 16 bytes
after the start of the data.
Fixes invalid reads with corrupted files.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
 2013-04-17 12:09:36 +02:00
Anton Khirnov
66531d634e indeo3: switch parsing the header to bytestream2 
Also add an additional sanity check to the alt_quant table.
Fixes invalid reads with corrupted files.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
 2013-04-17 12:08:49 +02:00
Diego Biurrun
6d97484d72 avcodec: av_log_ask_for_sample() ---> avpriv_request_sample() 2013-03-13 21:20:12 +01:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Mans Rullgard
b9ee5f2cab indeo3: replace use of copy_block4 with put_pixels 
The destination is sufficiently aligned for put_pixels here.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2013-02-07 22:08:19 +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
bff5e5f8b3 indeo3: remove duplicate capabilities line. 2012-10-29 20:04:56 +01:00
Anton Khirnov
f174fbac3c lavc: add CODEC_CAP_DR1 to all video decoders missing them 2012-10-29 09:51:23 +01:00
Kostya Shishkov
169514c440 indeo3: do not try to output more lines than we can fit 
Internally chroma planes have multiple of four height while allocated image
planes might be smaller if CODEC_FLAG_EMU_EDGE is set. Thus we should not
output more lines of chroma than frame can accept.

Also the decoder can be safely switched to direct rendering now.
 2012-10-19 07:58:51 +02:00
Anton Khirnov
716d413c13 Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat 2012-10-08 07:13:26 +02:00
Anton Khirnov
e4d4044339 indeo3: fix out of cell write. 
Fixes CVE-2012-2776.

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
 2012-09-29 19:12:04 +02:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Kostya Shishkov
6de226a2b8 indeo3: validate new frame size before resetting decoder 2012-05-15 19:05:39 +02:00
Kostya Shishkov
bc00da2701 indeo3: when freeing buffers, set pointers referencing them to NULL as well 2012-05-15 19:05:39 +02:00
Kostya Shishkov
81064a8045 indeo3: initialise pixel planes on allocation 
This prevents decoder from reading garbage from it in case of errors later.
 2012-05-15 19:05:39 +02:00
Kostya Shishkov
fc417db3f1 indeo3: ensure that decoded cell data is in 7-bit range as presumed by decoder 2012-05-15 19:05:39 +02:00
Hendrik Leppkes
4b7fa553a9 indeo3: fix motion vector validation 
The index of the motion vector has to be checked before being
multiplied by 2 for the array index.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2012-05-01 21:14:18 -04:00
Ronald S. Bultje
fc9bc08dca Indeo3: fix crashes on corrupt bitstreams. 
Splits at borders of cells are invalid, since it leaves one of the
cells with a width/height of zero. Also, propagate errors on buffer
allocation failures, so we don't continue decoding (which crashes).

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2012-02-28 10:34:35 -08:00
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
Janne Grunau
be540e0cb3 indeo3: check motion vectors for validity 
Fixes null pointer dereferences in fuzzed files found by Oana Stratulat.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2012-01-07 09:41:11 +01:00
Aneesh Dogra
464ccb0144 indeo3: check per-plane data buffer against input buffer bounds. 
Fixes : http://bugzilla.libav.org/show_bug.cgi?id=102

Signed-off-by: Alex Converse <alex.converse@gmail.com>
 2011-11-29 09:58:05 -08:00
Kostya Shishkov
1469f943ad indeo3: cosmetics 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-11-28 10:01:49 +01:00
Aneesh Dogra
97980db487 indeo3: error out if no motion vector is set. 
This fixes a crash on a corrupt bitstream (bugzilla #93).

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-11-27 13:30:00 -08:00
Alex Converse
1149fbc763 indeo3: Fix a fencepost error. 
Found with asan and the venerable 1-dog.avi sample.
 2011-11-08 10:59:52 -08:00
Maxim Poliakovski
594b54b51e replacement Indeo 3 decoder 
The new decoder is much smaller and has better code quality.
Cleanup and fixes courtesy of Kostya Shishkov.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-11-03 00:59:12 +01:00
Diego Biurrun
124e28847b Remove some stray unnecessary ffmpeg references. 2011-11-02 10:42:54 +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
Alex Converse
aab6374bbe indeo3: Eliminate use of long. 2011-05-03 21:20:05 -07:00
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
Reinhard Tartler
737eb5976f Merge libavcore into libavutil 
It is pretty hopeless that other considerable projects will adopt
libavutil alone in other projects. Projects that need small footprint
are better off with more specialized libraries such as gnulib or rather
just copy the necessary parts that they need. With this in mind, nobody
is helped by having libavutil and libavcore split. In order to ease
maintenance inside and around FFmpeg and to reduce confusion where to
put common code, avcore's functionality is merged (back) to avutil.

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
 2011-02-15 16:18:21 +01:00
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
Stefano Sabatini
e16f217ceb Use new imgutils.h API names, fix deprecation warnings. 
Originally committed as revision 25058 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-07 19:15:29 +00:00
Stefano Sabatini
6ce9b4310c Remove use of the deprecated function avcodec_check_dimensions(), use 
av_check_image_size() instead.

Originally committed as revision 24711 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-08-06 09:37:04 +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
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
63613fe615 Replace WORDS_BIGENDIAN with HAVE_BIGENDIAN 
Originally committed as revision 19508 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-26 12:20:04 +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
4f76697b3e Change av_free to av_freep 
Originally committed as revision 19360 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-06 16:49:36 +00:00
Reimar Döffinger
16c8318513 Reallocate internal buffer when coded frame size changes. 
Fixes out-of-bounds reads and writes with i32/smclocki32.avi.1.0 from issue 1240.

Originally committed as revision 19359 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-07-06 16:48:23 +00:00