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22905 Commits

Author SHA1 Message Date
Michael Niedermayer
714ff44858 Merge commit '067432c1c95882c7221e694f33d9f3bdbe46de7f' 
* commit '067432c1c95882c7221e694f33d9f3bdbe46de7f':
  loco: check that there is data left after decoding a plane.
  lagarith: avoid infinite loop in lag_rac_refill()

Conflicts:
	libavcodec/loco.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-24 13:08:42 +01:00
Michael Niedermayer
4ba35194a9 Merge commit 'f935aca44c674d30e3ed940ef73bbad1228a5855' 
* commit 'f935aca44c674d30e3ed940ef73bbad1228a5855':
  av_memcpy_backptr: avoid an infinite loop for back = 0
  4xm: check the return value of read_huffman_tables().

Conflicts:
	libavcodec/4xm.c
	libavutil/mem.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-24 12:22:51 +01:00
Nicolas George
ccc7bcc4fc lavc: check return values consistency when decoding subtitles. 2013-02-24 12:18:57 +01:00
Michael Niedermayer
c10c2aed47 h264: Silence warning: comparison of distinct pointer types lacks a cast 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-23 14:09:04 +01:00
Michael Niedermayer
5270cb39ba bmp: Fix warning X may be used uninitialized in this function 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-23 14:03:18 +01:00
Michael Niedermayer
23c9180c00 aacdec: Fix warning: initialization from incompatible pointer type 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-23 12:16:28 +01:00
Anton Khirnov
067432c1c9 loco: check that there is data left after decoding a plane. 
CC:libav-stable@libav.org
 2013-02-23 09:20:42 +01:00
Anton Khirnov
de6dfa2bb8 lagarith: avoid infinite loop in lag_rac_refill() 
range == 0 happens with corrupted files

CC:libav-stable@libav.org
 2013-02-23 09:16:32 +01:00
Anton Khirnov
8097fc9a2d 4xm: check the return value of read_huffman_tables(). 
CC:libav-stable@libav.org
 2013-02-23 09:13:08 +01:00
Malcolm Bechard
239b88c284 Improve QTRLE encoding performance, no change to output file size/content. 
Avoid searching for the lowest bulk cost for each pixel that isn't a repeat/skip. Instead store the lowest cost as we go along each pixel, and use it as needed.

Signed-off-by: Malcolm Bechard <malcolm.bechard@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-22 21:41:54 +01:00
Paul B Mahol
89c77b6b15 exr: shorter channel buffer names 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 19:31:00 +00:00
Paul B Mahol
7a930f310a exr: remove superfluous check 
get_header_variable_length() already check for
out of array read and returns 0 in such case.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:55 +00:00
Paul B Mahol
fefd4b0924 exr: cosmetics: reindent 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:55 +00:00
Paul B Mahol
9c75c24de4 exr: check if line offset table is complete only once per frame 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:54 +00:00
Paul B Mahol
cc0bd78413 exr: support more line orders 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:54 +00:00
Paul B Mahol
1178868683 exr: fix overflow check in lineoffset processing 
Also read data size for raw compressions too and
make sure its value is sane.

Remove code that fills missing blocks with zeroes.
It is marginally useful and make implementation
of actually useful features harder.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:54 +00:00
Paul B Mahol
88d7259fd2 exr: merge multiple if () blocks 
Remove useless comments.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:54 +00:00
Paul B Mahol
3456891291 exr: check version too 
Separate version from flags.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-22 18:59:54 +00:00
Michael Niedermayer
6f77122bf5 aac: reconfigure output on pop 
Fixes Ticket1918

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-22 18:19:42 +01:00
Michael Niedermayer
21f68528e3 aacdec: dont pop random configurations 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-22 14:46:17 +01:00
Michael Niedermayer
b16bf913d8 dxva2: move _WIN32_WINNT handling to public header 
This removes duplicate code

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-22 01:37:14 +01:00
Michael Niedermayer
29436c1ab2 libavcodec/mips/aacsbr_mips: fix ;; 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 23:06:30 +01:00
Mirjana Vulin
46d52a0b09 mips: optimization for float aac decoder (ps module) 
Signed-off-by: Mirjana Vulin <mvulin@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 22:43:26 +01:00
Mirjana Vulin
8d2eb5fe58 mips: optimization for float aac decoder (sbr module) 
Signed-off-by: Mirjana Vulin <mvulin@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 22:43:08 +01:00
Matt Wolenetz
82a4a4e7ca Fix Win64 AVX h264_deblock by not using redzone on Win64 
Thanks-to: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 22:38:56 +01:00
Michael Niedermayer
04220b473e h264: ensure that get_format() is called when changing format but not otherwise. 
Fixes Ticket2288

Tested-by: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 22:36:33 +01:00
Michael Niedermayer
8a6449167a avcodec_decode_audio4: check got_frame_ptr before handling initial skip 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 22:01:14 +01:00
Michael Niedermayer
8036ba299d h264: move next/last picture init to decode_slice_header 
This is a regression introduced from the h264/mpegvideo split
Fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 20:24:31 +01:00
Michael Niedermayer
669d50b445 ec: check that reference pictures have matching parameters before using them. 
Fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 16:38:24 +01:00
Michael Niedermayer
bdeb61ccc6 h264: check that luma and chroma depth match 
Fixes out of array access

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 15:02:09 +01:00
Matt Wolenetz
311443f6c7 x86: h264: Don't use redzone in AVX h264_deblock on Win64 
This fixes crashes in chromium on win64 on machines with AVX
(crashes that apparently aren't triggered by fate).

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-02-21 15:02:16 +02:00
Paul B Mahol
59015c1118 exr: constify s in rle_uncompress() 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-21 12:02:18 +00:00
Paul B Mahol
a3d890527e exr: reset compression in decode_frame() 
This fixes decoding of images if compression changes.
Regression since b040ffc84c.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-02-21 12:02:18 +00:00
Michael Niedermayer
6b8f21190d Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  dxva2: Add missing #define to make header compile standalone
  arm: vp8: Add missing #includes for header to compile standalone
  doc: filters: Correct BNF FILTER description

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 12:59:38 +01:00
Michael Niedermayer
551d8b58eb brender_pix: use a grayscale palette as fallback instead of a uninitialized one. 
Improves: 3-0-CORPSE.PIX

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 00:26:50 +01:00
Michael Niedermayer
47e92153b6 mjpegdec: check for packed rgb mjpeg. 
Fixes null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-21 00:03:36 +01:00
Carl Eugen Hoyos
c4dc6c4c86 Fix bits_per_coded_sample when encoding png with frame-level multithreading. 
Fixes ticket #2290.
 2013-02-20 22:54:21 +01:00
Michael Niedermayer
da7672b20a h264: Fix handling of changing reference counts between slices 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 19:53:54 +01:00
Michael Niedermayer
039f55c803 h264: call alloc_scratch_buffers() only once linesize is known 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 19:53:54 +01:00
Diego Biurrun
a0a1ac0f09 dxva2: Add missing #define to make header compile standalone 2013-02-20 14:24:07 +01:00
Diego Biurrun
3e85b46ecf arm: vp8: Add missing #includes for header to compile standalone 2013-02-20 14:24:07 +01:00
Michael Niedermayer
39b03932c2 Merge commit '8a11ce43d08352f7a290355ebb5b29c495ad9609' 
* commit '8a11ce43d08352f7a290355ebb5b29c495ad9609':
  build: Ensure that output directories for header objects are created
  h264: Get rid of unnecessary casts

Conflicts:
	common.mak

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 11:54:06 +01:00
Michael Niedermayer
088f20a332 Merge commit '2ed008204d5467be03a0a3af1e293b2f7038d0a0' 
* commit '2ed008204d5467be03a0a3af1e293b2f7038d0a0':
  h264: Add add_pixels4/8() to h264dsp, and remove add_pixels4 from dsputil

Conflicts:
	libavcodec/dsputil.c
	libavcodec/h264.c
	libavcodec/h264_mb_template.c
	libavcodec/h264addpx_template.c
	libavcodec/h264dsp.c
	libavcodec/h264dsp.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 11:17:32 +01:00
u-bo1b@0w.se
8d1dd5bd50 cinepak: More correct Cinepak decoder. 
change the treatment of the strip y coordinates which previously did
not follow the description (nor did it behave like the binary decoder
on files with absolute strip offsets).

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 04:14:04 +01:00
Michael Niedermayer
a3adbedf9b cinepak: simplify 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 04:14:04 +01:00
u-bo1b@0w.se
4e635e10e2 cinepak: Use correct colorspace. 
The new code is also faster and more robust.

As for the performance:

old decoder + conversion to rgb:         fps = 2618
old decoder, without converting to rgb:  fps = 4012

new decoder, producing rgb:              fps = 4502

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 04:13:33 +01:00
Michael Niedermayer
f5c00b347d avcodec_align_dimensions2: Ensure cinepak has large enough buffers. 
This is partly redundant with the following patches, but its safer

Found-by: u-bo1b@0w.se
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 03:54:36 +01:00
Michael Niedermayer
c69315a5de cook: check js_subband_start for validity 
Fixes out of array read

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-20 00:20:03 +01:00
Martin Storsjö
26ee5ca03d h264: Get rid of unnecessary casts 
This gets rid of a number of warnings about casts discarding
qualifiers from the pointer target, present since 7ebfb466a.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-02-20 00:25:29 +02:00
Michael Niedermayer
a5153b1d16 shorten: Fix signedness of comparission 
Fixes out of array accessed

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-19 23:08:19 +01:00