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Commit Graph

45 Commits

Author SHA1 Message Date
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
Michael Niedermayer
62959862df faster vlc table selection
Originally committed as revision 848 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-09 00:13:54 +00:00
Michael Niedermayer
159d10fc2c hopefully fixing unreprodceable segfault when overreading the end if error_resilience==-1 (it didnt overread here though)
Originally committed as revision 841 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-04 19:28:27 +00:00
Michael Niedermayer
5507833249 supporting rare overflow mess even with error_resilience>=0
Originally committed as revision 839 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-04 16:46:18 +00:00
Michael Niedermayer
44273f1951 making some error checks optional
Originally committed as revision 838 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-08-04 16:21:41 +00:00
Michael Niedermayer
05174fd411 fixing bitrate vs. kbitrate in header
fixing wmv1 decoder (was broken during some optimizations ...)
inter-intra prediction encoding

Originally committed as revision 786 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-22 08:15:27 +00:00
Michael Niedermayer
1a013246fb fixes fire.avi & subtitles.avi
Originally committed as revision 769 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-17 09:15:14 +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
45a82edbdd rl vlc decoding optimizations
Originally committed as revision 748 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-13 14:55:12 +00:00
Michael Niedermayer
08dce7b02f get_vlc() optimizations
Originally committed as revision 737 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-10 20:05:42 +00:00
Michael Niedermayer
de0f2f4cca wmv1 slice_height != mb_height support
encoding of slice_height != mb_height
1bit shorter wmv1 headers if bit_rate<50 !? ROTFL M$ is even more stupid than i thought
using dc of non intra blocks for dc prediction of wmv1 if bitrate < 129 && res < 320x240

Originally committed as revision 723 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-07-07 08:34:46 +00:00
Michael Niedermayer
bd5e1c72f8 fixing wmv1 bugs, it was foolish to belive that m$ would use the same dc prediction as mpeg4 just cuz they changed it a bit from msmpeg4v3
Originally committed as revision 700 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-22 15:52:25 +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
Fabrice Bellard
d81c598383 fixed multiple allocation bug
Originally committed as revision 675 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-06 14:31:18 +00:00
Falk Hüffner
20695ec921 Minor warning cleanup.
Originally committed as revision 654 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-03 11:16:11 +00:00
Michael Niedermayer
287229e554 msmpeg4v1 decoding
Originally committed as revision 643 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-02 12:22:30 +00:00
Zdenek Kabelac
cd4af68ad5 * started to cleanup name clashes for onetime compilation
Originally committed as revision 617 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-27 16:42:14 +00:00
Fabrice Bellard
ff4ec49e64 license/copyright change
Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-25 22:45:33 +00:00
Michael Niedermayer
92ba5ffbb5 workaround dc_scale bug in old ffmpeg msmpeg4v3 encoder (set workaround_bugs=1 for this)
Originally committed as revision 561 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-21 23:13:57 +00:00
Fabrice Bellard
6000abfa89 removed useless header includes - use av memory functions
Originally committed as revision 522 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-18 23:03:29 +00:00
Michael Niedermayer
bb71e31757 fixing msmpeg4v3 dc-scale for quantizers 24-31
Originally committed as revision 427 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-30 01:29:29 +00:00
Michael Niedermayer
e1a9dbffed wmv1 header parser (unfinished)
Originally committed as revision 380 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-06 22:29:37 +00:00
Michael Niedermayer
3825cd1d55 msmpeg4v2 encoding
Originally committed as revision 379 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-05 21:04:09 +00:00
Michael Niedermayer
2ed627e64e fixing msmpeg4v2 bugs (is bugfree now afaik)
Originally committed as revision 378 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-05 16:51:12 +00:00
Michael Niedermayer
84afee348f msmpeg4v2 decoding (no encoding yet)
Originally committed as revision 376 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-05 04:09:04 +00:00
Michael Niedermayer
7f89b6fbdc msmpeg4v2 header parser & some dump bits code behind #if 0
Originally committed as revision 368 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-29 02:07:25 +00:00
Michael Niedermayer
dbbe89994b minor optimizations / simplifications
Originally committed as revision 367 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-29 01:53:59 +00:00
Michael Niedermayer
2b9ab1d54a fixing msmpeg4 decoding if fps < 16 (i thought it was a indicator for the ext header, its the fps indeed)
Originally committed as revision 313 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-22 19:19:01 +00:00
Zdenek Kabelac
38d171ebbe * simplified indexing
* ignoring error from msmpeg4_decode_block

Originally committed as revision 307 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-18 09:34:54 +00:00
Michael Niedermayer
fa778d53ad workaround gcc 2.95.2 bug
Originally committed as revision 289 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-09 00:38:44 +00:00
Michael Niedermayer
6fe84b4327 use multiply instead of divides for DC prediction on X86
Originally committed as revision 286 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-05 22:51:23 +00:00
Zdenek Kabelac
320680d420 * temporal solution for shared lib compilation
* using ALPHA code optimalization for non ARCH_I386

Originally committed as revision 282 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-28 18:06:28 +00:00
Nick Kurshev
1e98dffb7a Alpha optimizations by Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
Originally committed as revision 274 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-20 14:48:02 +00:00
Michael Niedermayer
ae40484c1c (commit by michael)
bye bye weird al rounding bug ;)

Originally committed as revision 268 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-15 22:22:41 +00:00
Michael Niedermayer
6f903d8e27 (commit by michael)
16-bit divide instead of 32-bit on x86 in msmpeg_pred_dc()

Originally committed as revision 264 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-14 04:34:52 +00:00
Michael Niedermayer
99180fe39d (commit by michael)
new msmpeg4 dequantizer did dequantize too early

Originally committed as revision 261 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-13 06:12:35 +00:00
Michael Niedermayer
badaf88eeb (commit by michael)
dequantizers skip trailing zeros
msmpeg4 non-intra decoder has its dequantizer "build in" now

Originally committed as revision 260 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-13 04:59:37 +00:00
Michael Niedermayer
6fb904ce30 s->c_dc_scale was 7 if s->qscale==2 but should be 8 (the bug is visible in deep red areas in high bitrate clips) - patch by Michael Niedermayer <michaelni@gmx.at>
Originally committed as revision 255 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-11 21:27:04 +00:00
Michael Niedermayer
3046f265b9 fix slices when code=0x18, patch by Michael Niedermayer <michael@mplayer.dev.hu>
Originally committed as revision 246 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-08 00:21:41 +00:00
Zdenek Kabelac
525782f33f * prevent crash in decoder
Originally committed as revision 179 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-10-23 19:02:55 +00:00
Fabrice Bellard
2cb1773ddc fixed mb_intra_vlc decoding table size
Originally committed as revision 61 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-11 18:56:40 +00:00
Fabrice Bellard
98be975df1 types fix
Originally committed as revision 36 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-06 00:47:50 +00:00
Arpi
612476ef9b get_bits() specialization, gives 4\speedup
Originally committed as revision 32 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-04 00:46:50 +00:00
Fabrice Bellard
3bb4e23a8a added skip macroblock optimization (big perf win on black regions for example)
Originally committed as revision 13 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-07-24 20:43:41 +00:00
Fabrice Bellard
de6d9b6404 Initial revision
Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-07-22 14:18:56 +00:00