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
09edcd3572
avcodec/jvdec: Use ff_get_buffer() when the content is not reused
...
Fixes: Timeout (11sec -> 5sec)
Fixes: 14473/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JV_fuzzer-5761630857592832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
6 years ago
Michael Niedermayer
61523683c5
avcodec/jvdec: Check available input space before decode8x8()
...
Fixes: Timeout (78 sec -> 15 millisec)
Fixes: 13147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JV_fuzzer-5727107827630080
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
Diego Biurrun
dcc39ee10e
lavc: Remove deprecated XvMC support hacks
...
Deprecated in 11/2013.
8 years ago
Diego Biurrun
a25dac976a
Use bitstream_init8() where appropriate
8 years ago
Alexandra Hájková
15d4dbfd4a
jvdec: Convert to the new bitstream reader
...
Signed-off-by: Anton Khirnov <anton@khirnov.net>
8 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
Anton Khirnov
88626e5af8
jvdec: check frame dimensions
...
The frame size must be set by the caller and each dimension must be a
multiple of 8.
CC: libav-stable@libav.org
Bug-ID: CVE-2014-8542
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
10 years ago
Diego Biurrun
e74433a8e6
dsputil: Split clear_block*/fill_block* off into a separate context
11 years ago
Vittorio Giovara
d509ae5be0
jvdec: K&R formatting cosmetics
...
Signed-off-by: Diego Biurrun <diego@biurrun.de>
11 years ago
Anton Khirnov
b7462a3904
jvdec: use the AVFrame API properly.
11 years ago
Paul B Mahol
678431d3f2
jv: make code independent of sizeof(AVFrame)
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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
Hendrik Leppkes
f91730a16b
jv: initialize AVFrame
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
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
Paul B Mahol
4c6c6a266e
jvdec: use more meaningful error code
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Michael Niedermayer
b12d92efd6
avoid "0xFF << 24" as it is considered a integer overflow in C99
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
716d413c13
Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Paul B Mahol
5d171b1f47
jvdec: check if there is enough data
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Paul B Mahol
f8a81755c2
jvdec: remove redundant check
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Paul B Mahol
1bc9e4c5b2
jvdec: remove buf_size
...
It is same as avpkt->size.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Paul B Mahol
1c638cfc25
jvdec: stop reading partial palette
...
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Michael Niedermayer
114f82ee7e
jvdec: check that the video_size fits in the packet.
...
Prevents use of out of array data and fate failure.
Found-by: durandal_1707
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
b4904e804d
jvdec: check videosize
...
Fixes null ptr dereference
fixes Ticket1364
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Paul B Mahol
a1c036e961
jvdec: unbreak video decoding
...
The safe bitstream reader broke it since the buffer size was specified
in bytes instead of bits.
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
CC: libav-stable@libav.org
13 years ago
Martin Storsjö
9cf0841ef3
dsputil: Add ff_ prefix to the dsputil*_init* functions
...
Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago
Carl Eugen Hoyos
9117592549
Cosmetics: Increase readability.
13 years ago
Carl Eugen Hoyos
3230c756f8
Increase Bitmap Brothers JV palette dynamics.
...
Approved-by: Peter Ross
13 years ago
Peter Ross
070d2d7589
jvdec: set alpha component
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Laurent Aimar
b59efc9434
Fixed size given to init_get_bits().
...
init_get_bits() takes a number of bits and not a number of bytes as
its size argument.
Signed-off-by: Alex Converse <alex.converse@gmail.com>
13 years ago
Laurent Aimar
e5e0580b93
Fixed size given to init_get_bits().
...
init_get_bits() takes a number of bits and not a number of bytes as
its size argument.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Stefano Sabatini
ce5e49b0c2
replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_*
14 years ago
Stefano Sabatini
975a1447f7
Replace deprecated FF_*_TYPE symbols with AV_PICTURE_TYPE_*.
...
Signed-off-by: Diego Biurrun <diego@biurrun.de>
14 years ago
Anton Khirnov
b4b167ecbf
jvdec: don't use deprecated CODEC_TYPE_*/PKT_FLAG_KEY
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Peter Ross
0697440c1e
Bitmap Brothers JV video decoder
...
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
14 years ago
Peter Ross
2f46a0af8d
Bitmap Brothers JV video decoder
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago