Michael Niedermayer
bf97d11b08
avcodec/ivi: Factor width dereference out of the loops in ivi_output_plane()
...
396078 -> 268468 dezicycles
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
6 years ago
Michael Niedermayer
82920bf494
avcodec/ivi: Only clip samples when needed in ivi_output_plane()
...
435740 -> 396078 dezicycles
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
6 years ago
Michael Niedermayer
a824685140
avcodec/ivi: Use av_image_check_size2()
...
Fixes OOM
Fixes: 1514/clusterfuzz-testcase-minimized-6437666243477504
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
8 years ago
Michael Niedermayer
12dea8a5a1
avcodec/ivi: Free custom blk_vlc
...
Fixes memleak
Fixes: 1351/clusterfuzz-testcase-minimized-5861971645693952
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
8 years ago
Diego Biurrun
a25dac976a
Use bitstream_init8() where appropriate
8 years ago
Paul B Mahol
c331be21c4
avcodec/ivi: use init_get_bits8()
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
8 years ago
Alexandra Hájková
c3defda0d8
indeo: Convert to the new bitstream reader
8 years ago
Diego Biurrun
746c56b773
indeo: Change type of array pitch parameters to ptrdiff_t
...
ptrdiff_t is the correct type for array pitches and similar.
8 years ago
Diego Biurrun
b668662939
get_bits: Move BITSTREAM_READER_LE definition before all relevant #includes
...
This avoids the danger that get_bits.h might get indirectly #included before
BITSTREAM_READER_LE is defined.
Also sort headers into canonical order where appropriate.
9 years ago
Vittorio Giovara
6202e2fede
indeo4: Rework stream analysis report
...
* Change log level from error to debug
* Print report after the first decoded frame, not at the end of decoding
* Drop macro guard and use a context variable instead
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
9 years ago
Diego Biurrun
69a68593ce
Remove stray line breaks from avpriv_{report_missing_feature|request_samples}
9 years ago
Michael Niedermayer
df91aa034b
avcodec/ivi: Check image dimensions
...
Fixes integer overflow
Fixes: 1e32c6c591d940337c20b197ec1c4d3d/asan_heap-oob_4a52e5_8946_0bb0d9e863def56005e49f1d89bdc94d.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 years ago
Vittorio Giovara
6a85dfc830
lavc: Replace av_dlog and tprintf with internal macros
10 years ago
Diego Biurrun
23944d29a2
indeo: Give Indeo4/5 shared code a more consistent name
10 years ago
Michael Niedermayer
114a2eb272
avcodec: Use av_clip_uintp2() where possible
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Dirk Ausserhaus
5ec6d152e2
indeo4: B-frames decoding
...
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
11 years ago
Dirk Ausserhaus
e121ac634b
indeo45: use is_indeo4 context flag instead of checking codec ID
...
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
11 years ago
Dirk Ausserhaus
f76e3669bb
Decode both parts of Indeo4 IP frames
...
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
11 years ago
Dirk Ausserhaus
3df0d20028
Move Indeo4 frametypes into common header.
...
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
11 years ago
Dirk Ausserhaus
8bfb4d72dd
avcodec/indeo4: Decode both parts of IP frames
...
Fixes part of Ticket845
av_frame_move_ref() idea by Anton Khirnov
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Dirk Ausserhaus
d24673a2c8
avcodec/indeo4: Move frametypes into common header.
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
f08ca91b05
avcodec/ivi_common: Use av_mallocz_array()
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Diego Biurrun
cc8163e1a3
avcodec: more correct printf specifiers
11 years ago
Janne Grunau
fb0c9d41d6
avutil: remove timer.h include from internal.h
...
Added libavutil/timer.h include to all files with {START,STOP}_TIMER.
11 years ago
Michael Niedermayer
d164ad3298
avcodec/ivi_common: use av_mallocz() to allocate mbs array
...
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f1dffa1c016_8245_sasha.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Anton Khirnov
d184cd1dac
ivi_common: stop using deprecated avcodec_set_dimensions
11 years ago
Michael Niedermayer
489c575bd6
avcodec/ivi_common: make while get_bits loop more robust by checking bits left
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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
12 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
...
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
...
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
...
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
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
6a10142faa
indeo: reject negative array indexes
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
12 years ago
Luca Barbato
6dfacd7ab1
indeo: Cosmetic formatting
...
Trim some overly long lines.
12 years ago
Luca Barbato
62256010e9
indeo: Refactor ff_ivi_init_tiles and ivi_decode_blocks
...
Spin large and mostly self contained blocks into stand alone
functions.
12 years ago
Luca Barbato
f6f36ca8ca
indeo: Refactor ff_ivi_dec_huff_desc
...
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
...
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
...
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
...
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
Clément Bœsch
1ec94b0f06
lavc: factorize ff_{thread_,re,}get_buffer error messages.
...
Coccinelle profile used:
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_get_buffer(ctx, f, flags)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str;
@@
-if ((r = ff_reget_buffer(ctx, f)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_reget_buffer(ctx, f)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
+ return r;
...along with some manual patches for the remaining ones.
12 years ago
Anton Khirnov
3ba40ebb6c
ivi_common: do not call MC for intra frames when dc_transform is unset
...
CC:libav-stable@libav.org
12 years ago
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
12 years ago
Michael Niedermayer
30872fa09b
ivi_common: Fix use of uninitialized warnings
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
deabb52ab4
ivi_common: check that scan pattern is set before using it.
...
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