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3bbb0bf82c
Commit Graph

5364 Commits

Author SHA1 Message Date
Justin Ruggles
3bbb0bf82c add support for downmixing to stereo or mono 
Originally committed as revision 9916 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 22:32:17 +00:00
Justin Ruggles
4e09232070 use dsputil for float to signed 16-bit sample conversion 
Originally committed as revision 9914 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 20:59:22 +00:00
Sam Hocevar
97be28d8d7 Add support for grayscale MJPEG streams sent by Axis cameras such as the 
207MW (http://www.axis.com/products/cam_207mw/).
patch by Sam Hocevar, sam+ffmpeg zoy org

Originally committed as revision 9913 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 20:49:39 +00:00
Justin Ruggles
775369e028 cosmetics: indentation 
Originally committed as revision 9911 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 20:32:57 +00:00
Justin Ruggles
7b4076a777 consolidate decoding of lfe and coupling channels with decoding of full-bandwidth channels. 
Originally committed as revision 9910 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 19:19:48 +00:00
Justin Ruggles
5e61de0cc1 there are only 4 rematrixing bands 
Originally committed as revision 9908 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 15:01:21 +00:00
Justin Ruggles
75b9b0369b cosmetics: use more appropriate names for iterator variables. 
Originally committed as revision 9907 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:52:56 +00:00
Baptiste Coudurier
d3dc629c62 move dnxhd data tables to separate file 
Originally committed as revision 9906 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:41:33 +00:00
Justin Ruggles
8e2eb3b674 move some variables to a more local scope. 
Originally committed as revision 9905 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:30:37 +00:00
Justin Ruggles
0bff58a59a make exponent decoding consistent (prepare for merging coupling and lfe code with normal channel code). 
Originally committed as revision 9904 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:26:46 +00:00
Baptiste Coudurier
0221ae8ca8 dnxhd 120 progressive support 
Originally committed as revision 9903 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:26:29 +00:00
Baptiste Coudurier
3c605485bb indentation 
Originally committed as revision 9902 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:18:30 +00:00
Baptiste Coudurier
6b259e439c dnxhd 185 interlaced support 
Originally committed as revision 9901 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:17:53 +00:00
Baptiste Coudurier
dd661ebd36 cosmetic 
Originally committed as revision 9900 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:10:16 +00:00
Baptiste Coudurier
9a0a2c9f12 no need to duplicate cid table vars in context 
Originally committed as revision 9899 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:09:08 +00:00
Baptiste Coudurier
940e4bf9b9 10l, use correct cid table 
Originally committed as revision 9898 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 13:03:12 +00:00
Baptiste Coudurier
035bc6470d add coding unit size for interlaced decoding 
Originally committed as revision 9897 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 12:59:49 +00:00
Baptiste Coudurier
36ebf91206 should be more correct 
Originally committed as revision 9896 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 12:43:31 +00:00
Michael Niedermayer
1ae7a85116 indent 
Originally committed as revision 9894 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 12:21:00 +00:00
Justin Ruggles
eaf84d970f cosmetics: use braces when it makes the code easier to read. 
Originally committed as revision 9893 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 12:04:41 +00:00
Justin Ruggles
fc59010bbf change AC3DecodeContext variable to local variable 
Originally committed as revision 9892 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 11:55:10 +00:00
Justin Ruggles
6d96d626c6 use array instead of bitmask 
Originally committed as revision 9891 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2007-08-04 11:39:47 +00:00
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