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Commit Graph

5342 Commits

Author SHA1 Message Date
Michael Niedermayer
4e2b9bcc08 Make MPEG-1/2 decoder work with the libmpeg2-style bitstream reader.
Originally committed as revision 9890 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 11:01:11 +00:00
Justin Ruggles
3357ff338b use table for converting dynamic range codes to scale factors
Originally committed as revision 9889 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 03:27:05 +00:00
Justin Ruggles
5aefe3ebef use floating-point mantissa dequantization tables
Originally committed as revision 9888 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 03:21:17 +00:00
Justin Ruggles
04ac5cada1 cosmetics: indentation
Originally committed as revision 9887 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 01:14:14 +00:00
Justin Ruggles
60f07fadd3 dither zero-bit mantissas by default. remove dithering only if it's explicitly turned off.
Originally committed as revision 9886 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 01:13:08 +00:00
Justin Ruggles
d63f6fea50 simplify coefficient decoding
Originally committed as revision 9884 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 00:12:23 +00:00
Justin Ruggles
285bf28c67 merge decoding of coupling channel coefficients and regular channel coefficients
Originally committed as revision 9883 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-04 00:04:17 +00:00
Justin Ruggles
d7dc7ad05c split out coupling coefficient reconstruction into a separate function
Originally committed as revision 9882 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-03 23:53:53 +00:00
Diego Biurrun
3e5008a922 Reduce Theora decoder verbosity.
Originally committed as revision 9872 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-03 16:43:11 +00:00
Michael Niedermayer
392b748293 output last frame if seq end code is encountered
fixes video decoding of AC3TEST.vob
closes issue19

Originally committed as revision 9870 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-02 20:49:42 +00:00
Diego Biurrun
319919734d Remove unused variable.
Originally committed as revision 9868 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-02 07:42:06 +00:00
Michael Niedermayer
037df60e05 simplify s->mv_dir init
Originally committed as revision 9867 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-02 01:28:37 +00:00
Michael Niedermayer
2f446d3860 get rid of mb_type_len
Originally committed as revision 9865 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 22:39:03 +00:00
Michael Niedermayer
653f738780 exchange the values of MV_DIR_FORWARD and MV_DIR_BACKWARD (this is more sane,
matches the order of some other stuff and allows some simplifications)

Originally committed as revision 9864 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 22:12:52 +00:00
Michael Niedermayer
04b502fa36 exchange if() and for() in the MT_FIELD case
18 cpu cycles faster for matrixbench

Originally committed as revision 9863 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 21:17:26 +00:00
Michael Niedermayer
f4fbcd33d9 exchange for() and if() order in the MT_FRAME case
safes 24 cpu cycles

Originally committed as revision 9862 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 21:05:58 +00:00
Marc Hoffman
dc1ecb6a4a making reference models have the same API
Originally committed as revision 9861 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 20:44:08 +00:00
Michael Niedermayer
356ab1dace change
for(){
    if(){
        switch(){

to
switch(){
    for(){
        if(){

this halfs the number of times the switch is executed in bidir blocks, in
other blocks the number is the same
25 cpu cycles less with matrixbench on duron

Originally committed as revision 9860 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 20:37:41 +00:00
Michael Niedermayer
2952d13ad5 merge another 2 if() to save a few cpu cycles
Originally committed as revision 9858 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 20:04:12 +00:00
Michael Niedermayer
09d1bee89e reorder if() so that the condition can be simplified
saves another 4 cpu cycles

Originally committed as revision 9857 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 19:37:28 +00:00
Michael Niedermayer
0ac6b5a301 merge/simplify 2 if()
~4 cpu cylces faster for the matrixbench video

Originally committed as revision 9856 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 19:26:24 +00:00
Michael Niedermayer
fecc146b28 merge 2 if()
this safes 1-2 cpu cycles

Originally committed as revision 9855 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 19:17:36 +00:00
Baptiste Coudurier
81752d0c2b use buf_ptr to correctly decode second field
Originally committed as revision 9852 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 13:18:23 +00:00
Justin Ruggles
dfd57c366f align array used in mdct. fixes segfault.
Originally committed as revision 9848 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 01:13:58 +00:00
Michael Niedermayer
873525491e use ENABLE_GRAY
Originally committed as revision 9847 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 01:01:03 +00:00
Michael Niedermayer
cde9e78001 make grayscale only decoding checks in inner loops compiletime killable
Originally committed as revision 9846 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-01 00:39:39 +00:00
Michael Niedermayer
01e795aba3 move some code which was executed for every skipped MB so it is only executed
for the first skipped mb in a run

Originally committed as revision 9845 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 21:39:09 +00:00
Michael Niedermayer
4152c5ce14 get rid of a useless variable
Originally committed as revision 9844 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 21:00:17 +00:00
Michael Niedermayer
7ceab4af35 avoid 2 additions (1 cpu cycle) per MB
Originally committed as revision 9843 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 20:52:49 +00:00
Michael Niedermayer
5bfbf0a54f chroma_qscale seems not used anywhere for mpeg1/2 so do not waste cpu time setting it
Originally committed as revision 9842 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 20:44:48 +00:00
Panagiotis Issaris
b9ca204284 Fix typo
Originally committed as revision 9841 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 16:22:57 +00:00
Daniel Kristjansson
29d2dc59f9 fix mem leak
patch by Daniel Kristjansson: [danielk cuymedia net]
Original thread: [FFmpeg-devel] [PATCH] alloc_picture needs to free buffer when
it's not going to use it
Date: 07/20/2007 07:27 PM

Originally committed as revision 9838 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 14:51:21 +00:00
Diego Biurrun
c7bf7a8267 Identifiers starting with underscores are reserved.
Originally committed as revision 9837 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-31 06:55:48 +00:00
Andreas Öman
d4a688d029 fix cabac decoding with some Blue-Ray sources
Patch by Andreas Öman %andreas A olebyn P nu%
Original thread:
Date: Jul 7, 2007 1:23 AM
Subject: [FFmpeg-devel] Corrupted blocks and seeking issues in H264 disc sources

Originally committed as revision 9836 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-30 21:19:36 +00:00
Roman Shaposhnik
f49f6e8889 replacing the use of deprecated unaligned*() routines by LD64 and AV_RB32
Originally committed as revision 9834 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-30 18:05:46 +00:00
Panagiotis Issaris
6654296c30 Handle malloc failure
Originally committed as revision 9833 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-30 13:58:17 +00:00
Michael Niedermayer
a11c2a2c66 support silly PCM variant used by zork nemesis
fixes audio decoding of T000A11C.AVI

Originally committed as revision 9831 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-30 02:05:16 +00:00
Michael Niedermayer
2711cb28f4 prevent assert failure with negative quant_offset
Originally committed as revision 9830 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 21:34:31 +00:00
Michael Niedermayer
3dd2a1c53f warn user if max=bitrate && max > min
Originally committed as revision 9829 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 19:21:56 +00:00
Michael Niedermayer
611e7bc41b support raw 4bpp avi
fixes dance1.avi
closes issue40

Originally committed as revision 9828 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 13:32:53 +00:00
Michael Niedermayer
3bdc2fcea6 make the reference code use double instead of float where it is easy
Originally committed as revision 9827 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 10:11:12 +00:00
Michael Niedermayer
86c624af1b print max and mse
Originally committed as revision 9826 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 09:58:36 +00:00
Christophe Gisquet
7919d10c61 Make bicubic interpolation standard compliant
Patch by Christophe GISQUET
(echo -e "christophe\056gisquet\100 (antonym to malloc()) \056fr")

Thread [PATCH] Binary identicity for ffvc1 (was Re: [PATCH] VC-1 MMX DSP functions)

Originally committed as revision 9825 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 04:04:21 +00:00
Justin Ruggles
8b60bbbf5b simplify stereo rematrixing
Originally committed as revision 9824 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 00:58:32 +00:00
Justin Ruggles
b6acc57f88 change 2 fields from context to local variables
Originally committed as revision 9823 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-29 00:35:30 +00:00
Justin Ruggles
8fbb368d2c BLOCK_SIZE is not used properly, just use numbers instead to avoid confusion
Originally committed as revision 9822 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-28 20:50:25 +00:00
Justin Ruggles
7bfd22f25a remove broken downmixing. will add new implementation later.
Originally committed as revision 9821 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-28 19:33:19 +00:00
Panagiotis Issaris
edecaff8c2 Take care of some renames (Doxygen and function name) after the previous pure rename patch.
Originally committed as revision 9820 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-28 18:26:43 +00:00
Panagiotis Issaris
bd38efffe8 Rename h264dsp.c to h264dspenc.c
Originally committed as revision 9819 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-28 18:23:35 +00:00
Diego Biurrun
1903245071 Ahem, fix typos overlooked in last commit.
Originally committed as revision 9816 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-07-28 12:50:28 +00:00