Commit Graph

150 Commits

Author SHA1 Message Date
Michael Niedermayer
a02017367b optimizing mpeg1_decode_block()
Originally committed as revision 985 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-30 16:14:14 +00:00
Michael Niedermayer
cc7ac88830 convert only needed matrixes in convert_matrix() (mjpeg calls it for every frame)
Originally committed as revision 983 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-30 09:19:54 +00:00
Michael Niedermayer
2ad1516a6c idct permutation cleanup, idct can be selected per context now
fixing some threadunsafe code

Originally committed as revision 980 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-29 22:44:22 +00:00
Falk Hüffner
ea689c8eb7 An easy way to speed up encoding by 6%.
Originally committed as revision 978 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-28 02:18:34 +00:00
Michael Niedermayer
202ef8b819 ff_get_fourcc() & XVIX support
Originally committed as revision 975 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-27 10:27:57 +00:00
Michael Niedermayer
fcb48651f4 mpeg4 interlaced dct encoding
Originally committed as revision 971 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-26 00:22:25 +00:00
Michael Niedermayer
9e4c69485b adaptive quantization for h263
Originally committed as revision 969 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-24 15:07:44 +00:00
Michael Niedermayer
5e746b9995 darkness masking (lumi masking does only bright stuff now)
Originally committed as revision 967 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-24 10:53:59 +00:00
Michael Niedermayer
c5d309f2d5 adaptive quantization (lumi/temporal & spatial complexity masking)
Originally committed as revision 964 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-23 14:56:11 +00:00
Michael Niedermayer
1e7bfebe7f fixing qpel 4mv
Originally committed as revision 945 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-14 12:36:54 +00:00
Michael Niedermayer
590a635884 interlaced qpel mpeg4 fixed
Originally committed as revision 943 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-14 10:11:05 +00:00
Michael Niedermayer
bea669e57c interlaced mpeg4 b frame decoding
Originally committed as revision 936 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-13 09:45:32 +00:00
Michael Niedermayer
b9d2bb5b2f fixing interlaced mpeg4 decoding
Originally committed as revision 933 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-12 18:28:17 +00:00
Michael Niedermayer
66370d3fca statistics for forw & back p-MBs instead of just one counter for both
Originally committed as revision 925 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-12 12:26:09 +00:00
Michael Niedermayer
208d3ddf96 set pict_type & key_frame on decoding too
Originally committed as revision 918 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-12 00:27:08 +00:00
Michael Niedermayer
b318477992 put/avg_pixels16
fixing 2 small qpel bugs

Originally committed as revision 915 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-11 12:39:53 +00:00
Michael Niedermayer
6b460aa387 reducing sizeof MpegEncContext to avoid stack overflow on crap M$ windo$
Originally committed as revision 914 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-11 07:26:43 +00:00
Michael Niedermayer
ad324c9351 dct cleanup
more accurate mmx dct (dont discard bits for fun)
fixing mmx quantizer bug for qscale%2==1 (bias was slightly wrong)

Originally committed as revision 895 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-09-01 16:52:33 +00:00
Martin Olschewski
c7e079314b sun solaris compilation bugfix, patch by (Martin Olschewski <olschewski at zpr dot uni-koeln dot de>)
Originally committed as revision 882 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-30 18:17:20 +00:00
Michael Niedermayer
28db7fce02 slow but accurate integer dct from IJG (should be ok with the LGPL as the old DCT is the fast integer DCT from IJG)
per context DCT selection

Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-29 23:55:32 +00:00
Michael Niedermayer
fd7db0fddf mpeg4 interlaced decoding support (not completly implemented/tested due to lack of samples)
Originally committed as revision 870 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-27 16:28:19 +00:00
Alex Beregszaszi
e769f0535e added aspected_width/height for EXTENDED_PAR
Originally committed as revision 869 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-26 20:45:01 +00:00
Michael Niedermayer
3aa102be84 new ratecontrol code
Originally committed as revision 862 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-25 21:19:50 +00:00
Michael Niedermayer
7806197db2 error concealment needs the mbintra_table so it should allways be allocated
Originally committed as revision 861 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-24 13:24:43 +00:00
Michael Niedermayer
1fb4890b51 better scene change detection
Originally committed as revision 858 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-22 19:41:06 +00:00
Michael Niedermayer
c9178d868a same dc skip behavior for chroma & luma elimination, its confusing otherwise imho
Originally committed as revision 854 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-18 00:42:58 +00:00
Michael Niedermayer
f5866a0340 skip blocks with small chroma dc too (if the user wants it) needed to avoid IDCT(input coeffs !=0) == 0 problems which cause catastrophic error accumulation at qp=1
Originally committed as revision 853 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-17 20:10:27 +00:00
Michael Niedermayer
87f8cab45b mpeg4 mpeg quantizer encoding
Originally committed as revision 844 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-06 23:51:15 +00:00
Michael Niedermayer
508abacadb 4mv + bframe decoding bugfix
Originally committed as revision 843 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-05 21:36:14 +00:00
Michael Niedermayer
b7adc711fa last_picture should be never == NULL (it was with dr1) this might fix a segfault with error concealment
Originally committed as revision 837 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-04 16:05:05 +00:00
Michael Niedermayer
d930ef19ea fixing mpeg4 mpeg quantizers
Originally committed as revision 836 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-02 20:27:46 +00:00
Michael Niedermayer
a10678da8a max_b_frame=4 bugfix
Originally committed as revision 833 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-01 11:01:07 +00:00
Michael Niedermayer
b5a093b3a9 different edge positions fixed with edge emu / dr1
Originally committed as revision 814 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-25 20:22:36 +00:00
Michael Niedermayer
3e6a20a0cd minor optimizations
fixing numbers.avi
 fixing ac prediction between MBs with different QP

Originally committed as revision 782 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-21 01:34:05 +00:00
Michael Niedermayer
79c0c7858d use edge emu for encoding of width or height %16!=0 files
Originally committed as revision 776 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-17 23:32:31 +00:00
Michael Niedermayer
9022797ba2 fixing NULL reference frame with dr1
Originally committed as revision 775 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-17 17:50:42 +00:00
Michael Niedermayer
9be42dba97 larger edge emu buffer (might have been too small)
Originally committed as revision 773 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-17 13:25:01 +00:00
Michael Niedermayer
5499377432 fixing gmc with emu edges
Originally committed as revision 772 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-17 12:42:50 +00:00
Michael Niedermayer
4c9ede2e4b interlaced mpeg2 fix ... replacing linesize>>1 by uvlinesize brainlessly wasnt a good idea
Originally committed as revision 771 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-17 11:04:26 +00:00
Michael Niedermayer
fe072fb4ee exporting mbskip_table after it has been allocated
Originally committed as revision 768 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-16 11:45:14 +00:00
Michael Niedermayer
760acb18a3 direct rendering for SVQ1
MpegEncContext->opaque MUST NOT be used by the codec, its for the parent program
 using standart values for pict_type
 using (uv)linesize
 handling dropable p-frames like b-frames

Originally committed as revision 763 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-15 21:19:37 +00:00
Michael Niedermayer
0fd90455ec uvlinesize
export has_b_frames
mb_skip with more than 2 ip buffers

Originally committed as revision 762 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-15 14:15:10 +00:00
Michael Niedermayer
225f9c44cf 4mv & qpel edge emu
Originally committed as revision 760 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-15 00:25:53 +00:00
Michael Niedermayer
93a21abde5 direct rendering method 1 support
Originally committed as revision 759 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-14 18:37:35 +00:00
Michael Niedermayer
c03a717274 rl decoding optimization
Originally committed as revision 755 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-13 17:30:43 +00:00
Marko Kreen
adc09b2eab adding ff prefix to avoid global name conficts with xvid (patch by Marko Kreen <marko at l-t.ee>)
Originally committed as revision 739 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-10 21:01:45 +00:00
Falk Hüffner
e0580f8c68 Update and activate dct_unquantize_h263_mvi. Thanks to Måns Rullgård
for some improvements.

Originally committed as revision 714 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-03 03:01:06 +00:00
Michael Niedermayer
a406617f2a init dc_scale tables to defaults (fixes mjpeg sig11)
Originally committed as revision 706 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-25 10:15:42 +00:00
Michael Niedermayer
f5957f3fe2 wmv1 support
dc scale optimisation
better ac table selection for msmpeg4

Originally committed as revision 696 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-18 00:49:00 +00:00
Michael Niedermayer
6282185e82 grayscale only encoding
Originally committed as revision 679 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-09 14:04:36 +00:00