Anton Khirnov
d184cd1dac
ivi_common: stop using deprecated avcodec_set_dimensions
11 years ago
Martin Storsjö
a92538b7c0
ivi_common: Make sure color planes have been initialized
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Diego Biurrun
060ce0c697
ivi_common: Make some tables only used within the file static
11 years ago
Luca Barbato
5b2a29552c
indeo: Reject impossible FRAMETYPE_NULL
...
A frame marked FRAMETYPE_NULL cannot be scalable and requires a
previous frame successfully decoded.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
f9e5261cab
indeo: Do not reference mismatched tiles
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
28dda8a691
indeo: Sanitize ff_ivi_init_planes fail paths
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
25a6666f6c
indeo: Bound-check before applying motion compensation
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
dc79685195
indeo: Bound-check before applying transform
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
6a10142faa
indeo: reject negative array indexes
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
6dfacd7ab1
indeo: Cosmetic formatting
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Trim some overly long lines.
12 years ago
Luca Barbato
62256010e9
indeo: Refactor ff_ivi_init_tiles and ivi_decode_blocks
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Spin large and mostly self contained blocks into stand alone
functions.
12 years ago
Luca Barbato
f6f36ca8ca
indeo: Refactor ff_ivi_dec_huff_desc
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Spare an indentation level.
12 years ago
Luca Barbato
e6d8acf6a8
indeo: use a typedef for the mc function pointer
12 years ago
Luca Barbato
b36e1893ef
indeo: check for reference when inheriting mvs
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The same is done already for qdelta.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
dd3754a488
indeo: use proper error code
12 years ago
Luca Barbato
7388c0c586
indeo: Properly forward the error codes
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If the tile data size does not match the buffer size it did not
return an AVERROR_INVALIDDATA causing futher corruption later.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Kostya Shishkov
33f64fd5d5
indeo4: expand allowed quantiser range
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Indeo 4 has quantiser range 0-31 instead of 0-23 for Indeo 5, and clipping
quantiser leads to incorrect quantisation and DC prediction on low-quality
videos.
This fixes bug 259.
12 years ago
Diego Biurrun
6fee1b90ce
avcodec: Add av_cold attributes to init functions missing them
12 years ago
Anton Khirnov
3ba40ebb6c
ivi_common: do not call MC for intra frames when dc_transform is unset
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CC:libav-stable@libav.org
12 years ago
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
12 years ago
Anton Khirnov
deabb52ab4
ivi_common: check that scan pattern is set before using it.
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Fixes CVE-2012-2791.
CC: libav-stable@libav.org
12 years ago
Anton Khirnov
07acdd651d
ivi_common: use proper logging context in ivi_decode_blocks().
12 years ago
Anton Khirnov
8ab42021f2
ivi_common: make some functions and tables static.
12 years ago
Anton Khirnov
df9b956751
lavc: fix decode_frame() third parameter semantics for video decoders
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It's got_frame, not data size
12 years ago
Anton Khirnov
594d4d5df3
lavc: add a wrapper for AVCodecContext.get_buffer().
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It will be useful in the upcoming transition to refcounted AVFrames.
12 years ago
Diego Biurrun
87cdd7c694
ivi_common: Drop unused function parameter from decode_band()
12 years ago
Diego Biurrun
d5c62122a7
Move av_reverse table to libavcodec
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It is only used in that library.
12 years ago
Janne Grunau
6d556e8327
indeo4/5: remove constant parameter num_bands from wavelet recomposition
...
Fixes bogus uninitialized value compiler and coverity warnings.
12 years ago
Anton Khirnov
ae3da0ae55
indeo4/5: check empty tile size in decode_mb_info().
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This prevents writing into a too small array if some parameters changed
without the tile being reallocated.
Based on a patch by Michael Niedermayer <michaelni@gmx.at>
Fixes CVE-2012-2800
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
12 years ago
Anton Khirnov
5d2170c53b
ivi_common: make ff_ivi_process_empty_tile() static.
...
It's not used outside of ivi_common.c
12 years ago
Michael Niedermayer
b146d74730
indeo4: update AVCodecContext width/height on size change
...
Fixes CVE-2012-2787
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
12 years ago
Michael Niedermayer
891918431d
indeo5dec: Make sure we have had a valid gop header.
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This prevents decoding happening on a half initialized context.
Fixes CVE-2012-2779
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Diego Biurrun
4f04f5cc8b
indeo: Make ivi_calc_band_checksum() static, it is only used in one file.
13 years ago
Diego Biurrun
9ccbdc0aca
indeo: Drop unused debug function ivi_check_band().
13 years ago
Kostya Shishkov
cf61aaaca1
indeo: check for invalid motion vectors
13 years ago
Kostya Shishkov
9603738221
indeo: check that band output buffer exists
13 years ago
Kostya Shishkov
23ba1503f2
indeo: clear allocated band buffers
13 years ago
Kostya Shishkov
a6e4ac40a6
indeo: track tile macroblock size
13 years ago
Kostya Shishkov
fe7a37c36f
indeo: check custom Huffman tables for errors
13 years ago
Kostya Shishkov
aa372cf470
factor out common decoding code for Indeo 4 and Indeo 5
13 years ago
Diego Biurrun
b1563d0cf9
ivi_common: Initialize a variable at declaration in ff_ivi_decode_blocks().
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This simplifies the code a bit and avoids an uninitialized variable warning.
13 years ago
Diego Biurrun
3dde147ff9
cosmetics: Consistently place static, inline and av_cold attributes/keywords.
13 years ago
Martin Storsjö
e96b4a53df
vlc/rl: Add ff_ prefix to the nonstatic symbols
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Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago
Michael Niedermayer
b18a0cc781
indeo5: Fix null pointer dereference.
...
Bug found by: Oana Stratulat
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
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.
13 years ago
Diego Biurrun
f190f676bc
Replace custom DEBUG preprocessor trickery by the standard one.
14 years ago
Diego Biurrun
2366462429
Replace #ifdef + av_log() combinations by av_dlog().
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Daniel Kang
eb40d7ffa7
Check symbol validity to avoid a crash, fixes issue 2523.
...
Patch by Daniel Kang, daniel.d.kang at gmail
Originally committed as revision 26360 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago