James Almer
9ea6d2149e
avcodec/decode: add a flags parameter to ff_reget_buffer()
...
Some decoders may not need a writable buffer in some specific cases, but only
a reference to the existing buffer with updated frame properties instead, for
the purpose of returning duplicate frames. For this, the
FF_REGET_BUFFER_FLAG_READONLY flag is added, which will prevent potential
allocations and buffer copies when they are not needed.
Signed-off-by: James Almer <jamrial@gmail.com>
5 years ago
Michael Niedermayer
fee6661045
avcodec/dsicinvideo: check the amount decoded by cin_decode_huffman()
...
Fixes: Timeout (158sec -> 36sec)
Fixes: 14214/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSICINVIDEO_fuzzer-5633569034076160
This is untested with valid cin files as none of the files i found cover the changed
codepath
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
6 years ago
Paul B Mahol
ea6f61025e
avcodec/dsicinvideo: decoder supports init_cleanup capability
6 years ago
Michael Niedermayer
5549488bbf
avcodec/dsicinvideo: Fail if there is only a small fraction of the data available that comprises a full frame
...
Fixes: Timeout
Fixes: 6306/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSICINVIDEO_fuzzer-5079253549842432
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
7 years ago
Michael Niedermayer
942217b153
avcodec/dsicinvideo: Propagate errors from cin_decode_rle()
...
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
7 years ago
Vittorio Giovara
def97856de
lavc: AV-prefix all codec capabilities
...
Express bitfields more simply.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
9 years ago
Nidhi Makhijani
d6902070c5
dsicin: Split audio and video decoder
...
Signed-off-by: Diego Biurrun <diego@biurrun.de>
11 years ago
Anton Khirnov
01de3c1dd5
cin video: use the AVFrame API properly.
11 years ago
Diego Biurrun
b2bed9325d
cosmetics: Group .name and .long_name together in codec/format declarations
11 years ago
Luca Barbato
fd81899321
dsicinav: Clip the source size to the expected maximum
...
A packet larger than cin->bitmap_size does not make sense.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
11 years ago
Luca Barbato
dd0bfc3a6a
dsicinav: Bound-check the source buffer when needed
...
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
11 years ago
Luca Barbato
fcae3ff124
dsicinav: K&R formatting cosmetics
11 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
3b199d29cd
lavc decoders: properly initialize AVFrame.
12 years ago
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
12 years ago
Justin Ruggles
97c7bdc6d4
cinaudio: decode directly to the user-provided AVFrame
12 years ago
Anton Khirnov
df9b956751
lavc: fix decode_frame() third parameter semantics for video decoders
...
It's got_frame, not data size
12 years ago
Anton Khirnov
594d4d5df3
lavc: add a wrapper for AVCodecContext.get_buffer().
...
It will be useful in the upcoming transition to refcounted AVFrames.
12 years ago
Michael Niedermayer
0efcf16a3e
replace av_log(0, by av_log(NULL,
...
The first parameter is a pointer and NULL is more correct
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
7faa17764a
dsicinav: update bitmap_frame_size, avoid out of array reads.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Justin Ruggles
a903f8f087
Include libavutil/channel_layout.h instead of libavutil/audioconvert.h
...
Also reorder some other #include when applicable.
12 years ago
Justin Ruggles
4f56f9c48f
dsicinaudio: set channels and channel layout
12 years ago
Paul B Mahol
d8245c3bcd
dsicinav: return proper error code in case of malloc failure
...
Fixes null pointer dereference.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Paul B Mahol
296f9c2b3b
dsicinav: return meaningful error code
...
While here remove redundant references in error message.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Anton Khirnov
716d413c13
Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat
12 years ago
Michael Niedermayer
f61ee9b564
dsicinav: fix signed integer overflow
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Mans Rullgard
d55e5e6bae
dsicin: remove dead assignment
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
13 years ago
Michael Niedermayer
47f0beadba
dsicinav: Check for overread in RLE decode.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Martin Storsjö
00c3b67b8a
cosmetics: Align codec declarations
...
Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.
Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago
Ronald S. Bultje
c95fefa042
dsicinvideo: validate buffer offset before copying pixels.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
13 years ago
Michael Niedermayer
d8d1fbbd7f
dsicinav: fix 10l bug introduced in 999d38f3a9
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Ronald S. Bultje
999d38f3a9
dsicinvideo: validate buffer offset before copying pixels.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable-LOOeJiBropLYtjvyW6yDsg@public.gmane.org
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Justin Ruggles
0eea212943
Add avcodec_decode_audio4().
...
Deprecate avcodec_decode_audio3().
Implement audio support in avcodec_default_get_buffer().
Implement the new audio decoder API in all audio decoders.
13 years ago
Carl Eugen Hoyos
789da2e9f1
Set second Delphine Software International CIN palette opaque.
13 years ago
Carl Eugen Hoyos
dcbd18c615
Set Delphine Software International CIN palette opaque.
13 years ago
Justin Ruggles
7d1b17b833
cin audio: use sign_extend() instead of casting to int16_t
13 years ago
Justin Ruggles
405af43104
cin audio: restructure decoding loop to avoid a separate counter variable
...
Also check output buffer size instead of truncating output.
13 years ago
Justin Ruggles
859bdc33e4
cin audio: use local variable for delta value
13 years ago
Justin Ruggles
64e19ba48b
cin audio: remove unneeded cast from void*
13 years ago
Justin Ruggles
03381c12b3
cin audio: validate the channel count
13 years ago
Justin Ruggles
664eb77dc3
cin audio: remove unneeded AVCodecContext pointer from CinAudioContext
13 years ago
Laurent Aimar
1720603287
dsicinav: Check for out of bounds writes
...
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Laurent Aimar
e3ca9b93d9
dsicinav: Check for out of bounds reads
...
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Laurent Aimar
3035c4034b
Check for out of bounds writes in the Delphine Software International CIN decoder.
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Laurent Aimar
8e5f093c2c
Check for out of bounds reads in the Delphine Software International CIN decoder.
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Anton Khirnov
ec6402b7c5
lavc: use designated initialisers for all codecs.
...
It's more readable and less prone to breakage.
13 years ago
Stefano Sabatini
01042d4123
lavc: set defaults in internal codec frames
...
This is required specifically for setting frame->format to -1,
otherwise it will be set to 0 = PIX_FMT_YUV420P and code reading
the format from the output decoded frame will get misled.
In particular fix regressions occurring with the pending vsrc_buffer
patch.
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Diego Elio Pettenò
e7e2df27f8
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>
(cherry picked from commit d36beb3f69
)
14 years ago