generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
60,398 Commits 24 Branches 241 Tags 173 MiB
6ef57f4d9a
Commit Graph

60398 Commits

This Branch
This Branch
All Branches
Author SHA1 Message Date
Ronald S. Bultje
d9343c3484 vp9: disable use_last_frame_mvs on resolution change (scalable). 
Prevents some invalid memory accesses after resolution change in
vp90-2-05-resize.webm, and libvpx does this too.

Reviewed-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 20:15:45 +01:00
Michael Niedermayer
e6c0da70fc avcodec/huffyuvdec: optimize >8bps VLC reading 
97479 -> 54891 decicycles

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 19:59:57 +01:00
Loren Merritt
b7d0d10a1d x86inc: Speed up assembling with Yasm 
Work around Yasm's inefficiency with handling large numbers of variables
in the global scope.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2014-01-26 18:40:08 +01:00
Stefano Sabatini
37baa2af43 configure: add missing dependency for the remuxing example 2014-01-26 18:31:03 +01:00
Diego Biurrun
50ecf15712 avformat: utils: K&R formatting cosmetics 
Also adjust some comment wording / spelling and reorder header #includes.
 2014-01-26 18:09:00 +01:00
Stefano Sabatini
9651239f67 ffmpeg: use intermediary variables in reap_filters, increase readability 2014-01-26 18:06:39 +01:00
Stefano Sabatini
68c5ba1f05 doc/filters: re-edit notes on filtergraph escaping 
State the escaping rules more explicitly, reword various sentences and
drop confusing quoting example.

Should fix trac issue #3334.
 2014-01-26 18:06:39 +01:00
Michael Niedermayer
599e629f88 avcodec/huffyuvenc: fix end pointer for stats_out 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 16:24:36 +01:00
Michael Niedermayer
a301bb63f0 avcodec/huffyuvenc: fail if stats_out is too small instead of silently truncating 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 16:23:45 +01:00
Michael Niedermayer
bc11b2c3e6 fate: add test for 16bps ffvhuff 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 04:51:38 +01:00
Jean First
91489d28ba avcodec/libfdk_aacenc: enable 7.1 channel encoding 
7.1(wide) and 7.1(wide-side) channel layouts are supported in fdk_aac since october 2013 (commit fa3eba1644)

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 03:31:42 +01:00
Michael Niedermayer
c46faacdf4 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  configure: clang: explicitly state dep file and rule name in DEPFLAGS

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 03:23:51 +01:00
Michael Niedermayer
0e2dd05c22 Merge commit 'fb87e69ff77f96536768dbae01d82db70c8b41f3' 
* commit 'fb87e69ff77f96536768dbae01d82db70c8b41f3':
  configure: add missing x86 dependency for i686

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 03:19:38 +01:00
Michael Niedermayer
7667afffb8 avcodec/mpeg12dec: Revert Change to mpeg2_fast_decode_block_non_intra 
This fixes the speed regression from 20626f53e9
and still checks sufficiently to prevent out of allocated memory accesses
due to the index

Before:
1823 decicycles in mpeg2_fast_decode_block_non_intra, 8388493 runs, 115 skips
After:
1808 decicycles in mpeg2_fast_decode_block_non_intra, 8388494 runs, 114 skips

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 02:57:40 +01:00
Michael Niedermayer
6a92598e14 avcodec/mpeg12dec: Redesign index checks for mpeg2_fast_decode_block_intra 
This fixes the speed regression from 20626f53e9
and still checks sufficiently to prevent out of allocated memory accesses
due to the index

Before:
1681 decicycles in mpeg2_fast_decode_block_intra, 4194238 runs, 66 skips
After:
1658 decicycles in mpeg2_fast_decode_block_intra, 4194248 runs, 56 skips

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 02:57:29 +01:00
Michael Niedermayer
20626f53e9 Merge commit '6d93307f8df81808f0dcdbc064b848054a6e83b3' 
* commit '6d93307f8df81808f0dcdbc064b848054a6e83b3':
  mpeg12: check scantable indices in all decode_block functions

Benchmarks

Before:
1878 decicycles in mpeg2_decode_block_non_intra, 8388487 runs, 121 skips
1700 decicycles in mpeg2_decode_block_intra, 4194239 runs, 65 skips
1808 decicycles in mpeg2_fast_decode_block_non_intra, 8388492 runs, 116 skips
1669 decicycles in mpeg2_fast_decode_block_intra, 4194248 runs, 56 skips
--
2056 decicycles in mpeg1_decode_block_inter, 65535 runs, 1 skips
2346 decicycles in mpeg1_decode_block_intra, 32768 runs, 0 skips
2011 decicycles in mpeg1_fast_decode_block_inter, 65533 runs, 3 skips
----------------
After:
1858 decicycles in mpeg2_decode_block_non_intra, 8388490 runs, 118 skips
1691 decicycles in mpeg2_decode_block_intra, 4194233 runs, 71 skips
1823 decicycles in mpeg2_fast_decode_block_non_intra, 8388493 runs, 115 skips
1681 decicycles in mpeg2_fast_decode_block_intra, 4194238 runs, 66 skips
--
2010 decicycles in mpeg1_decode_block_inter, 65535 runs, 1 skips
2322 decicycles in mpeg1_decode_block_intra, 32766 runs, 2 skips
1995 decicycles in mpeg1_fast_decode_block_inter, 65535 runs, 1 skips

All benchmarks are the best scores of several runs

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 02:52:21 +01:00
Michael Niedermayer
3e6088f732 avutil/internal.h: add timer.h back 
Without this a developer would have to add a include every time he
wants to benchmark some code, this is a moderate inconvenience.

This reverts the specific hunk from fb0c9d41d6

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 02:23:26 +01:00
Michael Niedermayer
965fa6b0d9 Merge commit 'fb0c9d41d685abb58575c5482ca33b8cd457c5ec' 
* commit 'fb0c9d41d685abb58575c5482ca33b8cd457c5ec':
  avutil: remove timer.h include from internal.h

Conflicts:
	libavcodec/ffv1dec.c
	libavutil/internal.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 01:54:55 +01:00
Michael Niedermayer
53167ecfdb avcodec/huffyuv: support AV_PIX_FMT_YUV(A)4XYP16 and GRAY16 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-26 00:23:03 +01:00
Janne Grunau
9e057f53aa configure: clang: explicitly state dep file and rule name in DEPFLAGS 
Fixes dependency file generation with gas-preprocessor.pl and clang.
Flags copied from GCC and tested with Apple's clang from Xcode 5 and
5.1 and clang 3.2, 3.3, 3.4 on Linux.
 2014-01-25 21:50:21 +01:00
Janne Grunau
fb87e69ff7 configure: add missing x86 dependency for i686 2014-01-25 21:50:20 +01:00
Janne Grunau
6d93307f8d mpeg12: check scantable indices in all decode_block functions 
Add checks to the fast functions used with CODEC_FLAGS2_FAST and move
the check for all other functions to before the invalid memory is
accessed. Fixes https://trac.videolan.org/vlc/ticket/9713 with
CODEC_FLAGS2_FAST.

CC: libav-stable@libav.org
 2014-01-25 21:50:20 +01:00
Janne Grunau
fb0c9d41d6 avutil: remove timer.h include from internal.h 
Added libavutil/timer.h include to all files with {START,STOP}_TIMER.
 2014-01-25 21:50:20 +01:00
Michael Niedermayer
214a3b8bf9 avfilter/vf_scale: simplify alignment code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 16:54:24 +01:00
Michael Niedermayer
1e48c39ece avfilter/vf_scale: do aspect ratio and scale factor compensation together 
Fixes rounding error

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 16:48:13 +01:00
Michael Niedermayer
682ddb89cf Merge branch 'scale-filter-factor' of https://github.com/lkiesow/FFmpeg 
* 'scale-filter-factor' of https://github.com/lkiesow/FFmpeg:
  Documentation for scale filter factor
  Documentation for scale filter factor
  Fixed factor for scale filter
  Factors for scale filter

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 16:35:07 +01:00
Michael Niedermayer
018e2b57ca avcodec/libx264: also consider ticks per frame for fps/timebase setup 
Setting fps = 1/timebase is not correct

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 16:31:30 +01:00
Clément Bœsch
5f4d04d084 x86/lossless_videodsp: silly one-line cosmetic. 2014-01-25 16:24:50 +01:00
Lars Kiesow
c49b036096 Documentation for scale filter factor 2014-01-25 15:34:23 +01:00
Lars Kiesow
69b1d1d99b Documentation for scale filter factor 2014-01-25 15:02:15 +01:00
Lars Kiesow
e395f8de5a Fixed factor for scale filter 2014-01-25 15:00:02 +01:00
Lars Kiesow
7fc4c18463 Factors for scale filter 2014-01-25 14:40:48 +01:00
Clément Bœsch
5267e85056 x86/lossless_videodsp: use common macro for add and diff int16 loop. 2014-01-25 14:27:37 +01:00
Clément Bœsch
cddbfd2a95 x86/lossless_videodsp: simplify and explicit aligned/unaligned flags 2014-01-25 11:59:43 +01:00
Ramiro Polla
78a9f185eb lavfi/drawtext: add option for drawing border around text 
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 04:59:28 +01:00
Ramiro Polla
222fb8276d lavfi/drawtext: get bitmap from glyph in a separate step 
This change makes it possible to transform the glyph or get its border before
turning it into a bitmap.

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 04:46:38 +01:00
Michael Niedermayer
5554c6dd45 Merge remote-tracking branch 'rbultje/vp9-simd' 
* rbultje/vp9-simd:
  vp9: fix memory corruption if header decoding fails after size change.
  vp9/x86: use explicit register for relative stack references.
  vp9/x86: iwht4x4 (lossless) mmx.
  vp9/x86: 4x4 iadst SIMD (ssse3) variants.
  vp9/x86: 8x8 iadst SIMD (ssse3/avx) variants.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 01:43:54 +01:00
Michael Niedermayer
4b84a69ebb Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  dxtory: compressed RGB555/RGB565 decoding support

Conflicts:
	libavcodec/dxtory.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 01:39:19 +01:00
Michael Niedermayer
2d0d1f7eb3 Merge commit '0e1ad2f591b87e944550c15b54e54f8189743289' 
* commit '0e1ad2f591b87e944550c15b54e54f8189743289':
  dxtory: add more compressed and uncompressed modes

Conflicts:
	libavcodec/dxtory.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 01:33:42 +01:00
Ronald S. Bultje
4147b337c1 vp9: fix memory corruption if header decoding fails after size change. 2014-01-24 19:25:26 -05:00
Ronald S. Bultje
c9e6325ed9 vp9/x86: use explicit register for relative stack references. 
Before this patch, we explicitly modify rsp, which isn't necessarily
universally acceptable, since the space under the stack pointer might
be modified in things like signal handlers. Therefore, use an explicit
register to hold the stack pointer relative to the bottom of the stack
(i.e. rsp). This will also clear out valgrind errors about the use of
uninitialized data that started occurring after the idct16x16/ssse3
optimizations were first merged.
 2014-01-24 19:25:25 -05:00
Ronald S. Bultje
97474d527f vp9/x86: iwht4x4 (lossless) mmx. 2014-01-24 19:25:25 -05:00
Ronald S. Bultje
d43efa68bd vp9/x86: 4x4 iadst SIMD (ssse3) variants. 
Cycle measurements for intra itxfm_4x4_add on ped1080p.webm:
idct_idct:    66 -> 67 cycles (noise measurement)
idct_iadst:  199 -> 79 cycles
iadst_idct:  165 -> 70 cycles
iadst_iadst: 183 -> 82 cycles
 2014-01-24 19:25:25 -05:00
Ronald S. Bultje
baf47020cd vp9/x86: 8x8 iadst SIMD (ssse3/avx) variants. 
Cycle measurements for intra itxfm_8x8_add on ped1080p.webm:
idct_idct:   133 -> 135 cycles (noise measurement)
idct_iadst:  900 -> 241 cycles
iadst_idct:  864 -> 215 cycles
iadst_iadst: 973 -> 310 cycles
 2014-01-24 19:25:25 -05:00
Michael Niedermayer
cf812d8129 avcodec/dvbsubdec: Remove unused display_list_size 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 01:22:48 +01:00
Wim Vander Schelden
af09be4f4b Fixed a memory leak in dvbsubenc.c: sub->num_rects was reduced without freeing the associated rects. 
Signed-off-by: Wim Vander Schelden <lists@fixnum.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-25 00:41:57 +01:00
James Darnley
2efdccac87 lavf/avienc: cosmetic indent 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-24 23:00:17 +01:00
James Darnley
fa20babb46 lavf/avienc: use metadata_header_padding 
The muxer will write at least the number of bytes requested and possibly
up to 3 bytes more.  This is because the muxer writes 32-bit integers
and the format requires 4-byte alignment anyway.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-24 22:58:59 +01:00
James Darnley
67270ccd3a lavf/id3v2enc: update comment about minimum padding 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-24 22:52:33 +01:00
James Darnley
0de03fd6a1 lavf/id3v2enc: use metadata_header_padding 
As with the change to flacenc this allows the user to control the amount
of padding they want added to the file.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-24 22:50:06 +01:00