a5b807a6c1
Replace /2 by >>1 in decode_cabac_mb_dqp()
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3 cpu cycles speed up on pentium dual.
Originally committed as revision 16233 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 02:28:51 +00:00
1aea5d35e5
Simplify ctx update in decode_cabac_mb_dqp().
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no speed change
Originally committed as revision 16232 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 02:00:33 +00:00
7cfca0dfd8
Simplify ctx calculation in decode_cabac_mb_dqp()
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no speed change
Originally committed as revision 16231 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 01:50:20 +00:00
d43696309a
Clear FF_INPUT_BUFFER_PADDING_SIZE bytes at the end of NALs in rbsp_buffer.
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Fixes valgrind uninitialized value warnings at the end of decoding H.264
frames.
Originally committed as revision 16230 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 01:11:52 +00:00
1ca610c015
Allocate and clear FF_INPUT_BUFFER_PADDING_SIZE bytes at the end of mkv
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extradata.
Fixes valgrind invalid read warnings during H.264 extradata parsing.
Originally committed as revision 16229 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 01:00:44 +00:00
712ca84c21
Move filter_luma_intra into dsputil for later addition of asm.
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Originally committed as revision 16228 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 00:44:51 +00:00
b9fe706305
Simplify chroma AC in CABAC residual decoding.
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Originally committed as revision 16227 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 00:43:30 +00:00
8955b66950
Optimize ctx calculation in decode_cabac_mb_mvd(), code by dark shikari.
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The case for 16x16 blocks becomes 10 cpu cycles faster on pentium dual,
i could not find a speed difference in the case of subblocks though.
Originally committed as revision 16226 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-19 00:05:39 +00:00
17779f39b6
Remove unacceptable NULL pointer hack from mc code.
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Originally committed as revision 16225 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 23:52:32 +00:00
04618b98e3
Check ref values in CABAC H.264 for validity.
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Originally committed as revision 16224 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 23:31:10 +00:00
c25ac15a07
Move idct_(dc)add closer to where it is needed.
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Originally committed as revision 16223 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 18:25:11 +00:00
aebb5d6d96
indent
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Originally committed as revision 16222 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 18:14:38 +00:00
96465b90a1
Reorder ifs in chroma hl_decode_mb to avoid a duplicate transform_bypass
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check.
14 cpu cycles speedup on Pentium Dual
Originally committed as revision 16221 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 18:12:59 +00:00
6456d6d87c
s/h->cbp_table[mb_xy]/h->cbp/
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Originally committed as revision 16220 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 17:42:44 +00:00
04824298a9
Faster CAVLC decoding of trailing_ones. Based on a patch by dark shikari.
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decode_residual is about 3.3% faster.
Originally committed as revision 16219 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 16:11:19 +00:00
93445d1617
Replace i by trailing_ones, part of a patch by dark shikari.
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No speed change meassureable with START/STOP_TIMER, but this is needed
for future optimizations.
Originally committed as revision 16218 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 15:51:32 +00:00
c375d87f6f
Remove if() surrounding decode_cabac_mb_type() that can never be true.
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Originally committed as revision 16217 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 15:32:07 +00:00
c325b5054f
Remove unreachable else clause, found by dark shikari.
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Originally committed as revision 16216 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 15:21:15 +00:00
dae006d7d7
Remove useless IS_8x8DCT check i forgot, spotted by dark shikari.
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Originally committed as revision 16215 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 11:17:12 +00:00
2a5a9c2815
10l, svq3 didnt set h->cbp, this broke decoding a little.
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Originally committed as revision 16214 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 11:01:38 +00:00
364df7b7b9
cosmetics, remove useless parenthesis and whitespaces
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Originally committed as revision 16213 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 09:18:43 +00:00
a15328249d
set alac channels from extradata, fix alac mono in m4a
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Originally committed as revision 16212 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 09:17:19 +00:00
efeb298ea0
cosmetics: remove one unneeded space
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Originally committed as revision 16211 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 06:00:12 +00:00
1eb960352b
Do not calculate idct_dc_add/idct_add when the variables are unused.
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Originally committed as revision 16210 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 04:13:02 +00:00
62bc966f8f
Remove redundant nnz variable.
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Originally committed as revision 16209 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 03:04:53 +00:00
0a8ca22f4e
indent
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Originally committed as revision 16208 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 02:56:44 +00:00
2fd1f0e026
Use the new idct functions (except chroma as it was slower in benchmarks)
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cathedral +0.5% speed
aladin +0.6% speed [note aladin has been cat-ed 10 times to reduce the influence
of init time]
Speedup also verified via START/STOP_TIMER (difference was very significant
for the changed parts)
Originally committed as revision 16207 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 02:53:18 +00:00
ac22385931
H.264 idct functions that include the chroma, inter luma and intra16 luma loops
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thus avoiding the calling overhead.
New functions are not yet used.
Originally committed as revision 16206 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 02:36:48 +00:00
1d217cdb3f
Make asf_get_packet() and asf_parse_packet() public for use in RTSP-MS and
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give them a ff_ prefix. See "[PATCH] asf.c: make functions of interest for
MS-RTSP public" thread on ML.
Originally committed as revision 16205 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 01:28:29 +00:00
d7fb5a18fc
Add a ByteIOContext argument to ASF functions that will be shared with the
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RTSP stack for RTSP-MS support. This way, they can read input from any given
input source. See discussion in "[PATCH] add gb argument to ASF functions of
interest to MS-RTSP" ML thread.
Originally committed as revision 16204 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 01:25:43 +00:00
49c084a745
Skip non intra luma code when there is no coded luma.
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0.7% speedup for the cathedral sample.
Originally committed as revision 16203 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 01:10:51 +00:00
00794ed0d9
1.6x faster pred*_vertical_add_c
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Originally committed as revision 16202 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 01:05:06 +00:00
621561cdf3
Skip chroma handling when there is no coded chroma.
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0.5% overall speedup for the cathedral sample.
Originally committed as revision 16201 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 00:46:54 +00:00
3749076c77
Fix weird indent.
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Originally committed as revision 16200 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-18 00:13:19 +00:00
7bbacf9a0c
Implement size autodetection if one of the width and height
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AVFormatParameters for grab_read_header() is non-positive.
Originally committed as revision 16199 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 23:58:28 +00:00
406c580854
Replace the width and height fields in VideoData with a struct
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video_window video_win field.
Originally committed as revision 16198 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 23:51:19 +00:00
9580ba2676
Replace frame_rate and frame_rate_base fields in VideoData with an
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AVRational time_base field.
Originally committed as revision 16197 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 23:43:56 +00:00
5c3383e5b5
Fix opt_default(), making it exit immediately in case of an invalid
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argument.
See the thread: "[PATCH] Fix opt_default()".
Originally committed as revision 16196 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 23:21:33 +00:00
17b17c53f4
add const qualifier to some pointers for input data
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Originally committed as revision 16195 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 20:17:07 +00:00
bb39171beb
use precalculated mb_pos where available
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Originally committed as revision 16194 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 20:10:15 +00:00
f8c5adaf9c
ARM: make FASTDIV() an inline function
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Originally committed as revision 16193 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 20:04:39 +00:00
6c3fca6479
Merge deblocking pattern with CBP for RV30/40 loop filtering
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Originally committed as revision 16192 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 20:00:48 +00:00
26bc319c1d
Generate correct deblock pattern for RV30
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Originally committed as revision 16191 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 19:39:56 +00:00
f610fc81c1
Unfortunately RV30 luma thirdpel MC functions cannot be substituted with
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applying two separate filtering passes, so implement them explicitly.
Originally committed as revision 16190 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 19:37:45 +00:00
6a4583e925
4l: TIFF stores short strings inside tag, do not interpret it is as an offset
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Fixes issue 753
Originally committed as revision 16189 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 17:39:35 +00:00
124c21d79f
Check function prototype in check_asm function to avoid compiler warnings.
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patch by Marc Mason, mpeg.blue free fr
Originally committed as revision 16188 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 15:44:40 +00:00
8b2386dc5a
Add jp2 support to img2 demuxer.
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On behalf of Jai Menon
Originally committed as revision 16187 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 11:22:51 +00:00
5f51afd602
add AltiVec implementation of int32_to_float_fmul_scalar
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Originally committed as revision 16186 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 09:47:06 +00:00
18cb36fd57
activate jpeg2000 fourcc in mov/mj2
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Originally committed as revision 16185 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 08:09:09 +00:00
54dab66174
Fix svq3 decoding, is_complex was not initialized.
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Originally committed as revision 16184 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-17 03:41:48 +00:00
Michael Niedermayer
Alexander Strange
Jason Garrett-Glaser
Baptiste Coudurier
Kostya Shishkov
Ronald S. Bultje
Loren Merritt
Stefano Sabatini
Måns Rullgård
Marc Mason
Benoit Fouet
Guillaume Poirier