Commit Graph

344 Commits

Author SHA1 Message Date
Michael Niedermayer
8f8402e49c dc scale simplification/optimization
Originally committed as revision 695 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-18 00:46:02 +00:00
Michael Niedermayer
b50eef3ae0 grayscale only decoding
Originally committed as revision 677 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-09 13:35:56 +00:00
Michael Niedermayer
4136dd2437 100l divx501+ seeking bugfix
Originally committed as revision 651 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-02 22:08:04 +00:00
Michael Niedermayer
6733417a5f error concealment / error resilience
merging s->first_gob_line & s->first_slice_line

Originally committed as revision 640 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-06-02 12:16:28 +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
02734c6a3e print frame decoding time support (x86 only)
Originally committed as revision 504 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-16 22:01:30 +00:00
Michael Niedermayer
3649cfd9b3 MV visualisation support
Originally committed as revision 442 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-05 01:39:07 +00:00
Michael Niedermayer
51b8fd1998 freeze fix
Originally committed as revision 434 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-02 20:45:43 +00:00
Juanjo
ef5b1b5a7e - Advanced Intra Coding (AIC) support for H.263+ encoder, just DC by now.
- Bug fix H.263+ AIC tables.
- Warning fixes.

Originally committed as revision 431 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-05-02 04:39:45 +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
2417652e9f export mbskip_table for direct rendering
add hurry_up support

Originally committed as revision 424 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-27 13:12:57 +00:00
Michael Niedermayer
d7e9533aa0 fixed msmpeg4 infinite loop if buggy stream
rewrote quantizer
 fixed bias (+10% compression/quality for h263 like codecs)
 qscale=1 support
 mpeg1 intra frames looks far less blocky
added codec_id field

Originally committed as revision 423 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-27 12:30:26 +00:00
Michael Niedermayer
1c2a8c7f14 avcodec_flush_buffers()
Originally committed as revision 420 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-24 01:24:06 +00:00
Michael Niedermayer
1ff662cc2c export delay info
fixed low_delay & vo_type on mpeg4 header writer & parser

Originally committed as revision 415 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-22 19:04:28 +00:00
Michael Niedermayer
eec1c6b94c divx 5.01 support
Originally committed as revision 412 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-22 12:45:22 +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
3c4f1840e6 b frames & slices bugfix
Originally committed as revision 377 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-04-05 04:23:01 +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
649c00c96d sizeof(s->block) isnt 64*6*2 anymore bugfix
mpeg12 decoding optimization

Originally committed as revision 364 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-28 13:41:04 +00:00
Michael Niedermayer
11ce88346b mpeg4 aspect_ratio_info in AVCodecContext (requested by alex)
experimental (& faster) motion estimation
squished a dirty uninitialized var bug
mpeg1 fcode>1 support

Originally committed as revision 349 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-22 23:22:08 +00:00
Michael Niedermayer
488fa19a86 use the width & height from the mpeg4 header ... in the case that its complete
Originally committed as revision 340 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-19 03:51:36 +00:00
Michael Niedermayer
019d276a12 msmpeg4 bugfix (wrong frame displayed if some frames are skipped)
Originally committed as revision 339 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-18 21:06:07 +00:00
Michael Niedermayer
4278e7a6f5 optimization
Originally committed as revision 332 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-15 14:57:17 +00:00
Michael Niedermayer
6f91bcd151 mpeg4 b-frames :)
create slightly more correct headers & add "ffmpeg" user-data section

Originally committed as revision 328 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-03-12 22:54:25 +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
Juanjo
9e15ad28bd - Bug fixes in H.263+ Advanced INTRA Coding decoder.
- H.263+ should be able to decode streams with AIC now :)

Originally committed as revision 311 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-19 19:23:34 +00:00
Juanjo
d140623fc4 - H.263+ decoder support for Advanded INTRA Coding (buggy)
Originally committed as revision 310 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-18 19:33:27 +00:00
Zdenek Kabelac
b4cc15e75e * continue after error in msmpeg4_decode_mb - helps for some movie samples
Originally committed as revision 303 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-18 09:28:05 +00:00
Juanjo
81401c1fbc - Fixes on RTP and GOB headers for H.263.
- RTP callback system implemented for H.263/H.263+.
- Bug fix on DC coefficients of H.263.
- H.263 decoder now returns PTS on picture number.

Originally committed as revision 292 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-02-09 16:59:56 +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
8bdbae01fe (commit by michael)
memset() in MMX

Originally committed as revision 263 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-01-14 04:29:19 +00:00
Juanjo
644d98a4f2 - Preliminary RTP friendly mode for H.263.
- GOB headers for H.263 coding on RTP mode.
- Improved GOB header detection for H.263 decoder.

Originally committed as revision 222 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-19 02:13:14 +00:00
Juanjo
96815ce9e2 - Added support to Inter4V+Q MBs to H.263 decoder.
- Advanced Prediction Mode activated for H.263 decoder.
- Bug fixed on H.263+ header parsing for UFEP.
- Now we can decode VIVO v1 streams :)

Originally committed as revision 221 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-17 21:14:54 +00:00
Juanjo
9eaa46906b - Bug fixed on H.263 decoder initialization.
Originally committed as revision 220 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-17 15:43:04 +00:00
Juanjo
102d39088b - Fixed a bug on H.263 MV prediction for MB on GOBs limits.
- Now we can decode H.263v1 streams found on QT without problems.

Originally committed as revision 214 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-12 05:19:55 +00:00
Juanjo
4949028f85 - Bug fix on inter MCBPC table for inter+q.
- H.263/H.263+ decoder now knows GOB start codes.
- H.263/H.263+ decoder now returns the size of the stream on the first call.
- Added show_bits() functions to see the buffer without loosing the bits.
- TODO: H.263v1 UMV parsing is buggy.

Originally committed as revision 204 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-11-03 00:49:53 +00:00
Fabrice Bellard
bf89e6b1f9 added draw_horiz_band test
Originally committed as revision 98 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-15 13:09:47 +00:00
Fabrice Bellard
519c2b6d11 moved matrix init away from MPV_common_init()
Originally committed as revision 77 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-12 00:52:37 +00:00
Fabrice Bellard
ce6758821d removed incomplete seek patch
Originally committed as revision 73 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-11 19:15:52 +00:00
Fabrice Bellard
4af5e4ef5e fix msmpeg4 seek
Originally committed as revision 68 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-11 19:01:04 +00:00
Fabrice Bellard
b7ec19d39e use block[] in structure to have it aligned on 8 bytes for mmx optimizations
Originally committed as revision 21 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-07-30 23:24:58 +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