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ffmpeg @ 11ce8834

# Date Author Comment
11ce8834 03/22/2002 11:22 PM Michael Niedermayer

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

c5b1c10a 03/22/2002 04:51 PM Michael Niedermayer

fixing epzs & mpeg1 (hopefully now really ...)

Originally committed as revision 348 to svn://svn.ffmpeg.org/ffmpeg/trunk

8a29b310 03/22/2002 04:35 AM Michael Niedermayer

mpeg1 & epzs fix

Originally committed as revision 347 to svn://svn.ffmpeg.org/ffmpeg/trunk

7084c149 03/22/2002 04:18 AM Michael Niedermayer

-me epzs

Originally committed as revision 346 to svn://svn.ffmpeg.org/ffmpeg/trunk

c7d5049c 03/22/2002 02:36 AM Michael Niedermayer

oops

Originally committed as revision 345 to svn://svn.ffmpeg.org/ffmpeg/trunk

45870f57 03/22/2002 02:21 AM Michael Niedermayer

new motion estimation (epzs) not complete yet but allready pretty good :)
unlimited mv search range
minor bugfix in the mpeg4 header parser
reset picture in gop counter if scene change is detected

Originally committed as revision 344 to svn://svn.ffmpeg.org/ffmpeg/trunk

daa57641 03/21/2002 06:53 PM Michael Niedermayer

fixing bgr15&16 on big_endian
i doubt that that will fix all big endian problems though, we very likely will have to support RGB & BGR output formats as either bgr32 or bgr15 is rgb depending upon the way rgb/bgr is defined

Originally committed as revision 5247 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

af469427 03/20/2002 11:16 AM Juanjo

- Fix pts calculation on mpeg mux (A/V sync) - Thanks to Lennert Buytenhek
- Fix temporal-reference-glitches for MPEG1 - Thanks to Lennert Buytenhek

Originally committed as revision 343 to svn://svn.ffmpeg.org/ffmpeg/trunk

ce7c56c2 03/19/2002 06:30 AM Juanjo

- Added video coding statistics for ffmpeg. Needs more work.
- Fixed ME range for H.263+ UMV (32 pix).

Originally committed as revision 342 to svn://svn.ffmpeg.org/ffmpeg/trunk

68d7eef9 03/19/2002 04:31 AM Michael Niedermayer

trying to fix qscale==0

Originally committed as revision 341 to svn://svn.ffmpeg.org/ffmpeg/trunk

488fa19a 03/19/2002 03:51 AM Michael Niedermayer

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

019d276a 03/18/2002 09:06 PM Michael Niedermayer

msmpeg4 bugfix (wrong frame displayed if some frames are skipped)

Originally committed as revision 339 to svn://svn.ffmpeg.org/ffmpeg/trunk

2e3be0fb 03/18/2002 08:11 PM Michael Niedermayer

fixing 4MV

Originally committed as revision 338 to svn://svn.ffmpeg.org/ffmpeg/trunk

bd31a775 03/17/2002 07:45 PM Michael Niedermayer

scene change detection

Originally committed as revision 337 to svn://svn.ffmpeg.org/ffmpeg/trunk

c6741159 03/17/2002 06:08 PM Michael Niedermayer

10l

Originally committed as revision 336 to svn://svn.ffmpeg.org/ffmpeg/trunk

001e3f55 03/17/2002 05:44 PM Juanjo

- Fixes on MPEG demuxer to handle VOBs without System Header.

Originally committed as revision 335 to svn://svn.ffmpeg.org/ffmpeg/trunk

9cdd6a24 03/17/2002 04:31 PM Michael Niedermayer

hopefully better bitrate controll

Originally committed as revision 334 to svn://svn.ffmpeg.org/ffmpeg/trunk

1cb0edb4 03/16/2002 02:41 AM Juanjo

- Bug fix MPEG-2 decoder to handle "repeat_first_field" (Telecine)
- Hack in MPEG-2 demux to cope with buggy VOBs.

Originally committed as revision 333 to svn://svn.ffmpeg.org/ffmpeg/trunk

4278e7a6 03/15/2002 02:57 PM Michael Niedermayer

optimization

Originally committed as revision 332 to svn://svn.ffmpeg.org/ffmpeg/trunk

d6231b9e 03/15/2002 04:10 AM Michael Niedermayer

use ac prediction in mpeg4 encoding (5% smaller intra-blocks/keyframes)
some minor optimizations
last non zero index cant be 64 bugfix

Originally committed as revision 331 to svn://svn.ffmpeg.org/ffmpeg/trunk

49c9325f 03/13/2002 07:26 PM Michael Niedermayer

support decoding (with mplayer) of 3 .mp4 files from mphq
optimize h263_pred_motion()

Originally committed as revision 330 to svn://svn.ffmpeg.org/ffmpeg/trunk

10cd5815 03/13/2002 12:50 PM Michael Niedermayer

generate even more complete mpeg4 headers

Originally committed as revision 329 to svn://svn.ffmpeg.org/ffmpeg/trunk

6f91bcd1 03/12/2002 10:54 PM Michael Niedermayer

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

e2263827 03/10/2002 03:16 PM Juanjo

- Bug fix on output sample rate for lame MP3 encoding.

Originally committed as revision 327 to svn://svn.ffmpeg.org/ffmpeg/trunk

9d36bdc9 03/10/2002 02:58 PM Juanjo

- Added MP3 encoding through libmp3lame contributed by Lennert Buytenhek.

Originally committed as revision 326 to svn://svn.ffmpeg.org/ffmpeg/trunk

0716b577 03/10/2002 02:52 PM Juanjo

- Added MP3 encoding through libmp3lame contributed by Lennert Buytenhek.

Originally committed as revision 325 to svn://svn.ffmpeg.org/ffmpeg/trunk

5798368b 03/10/2002 02:51 PM Juanjo

- Added MP3 encoding through libmp3lame contributed by Lennert Buytenhek.
- Changes on AVI and WAV muxers to support MP3.

Originally committed as revision 324 to svn://svn.ffmpeg.org/ffmpeg/trunk

a6741398 03/10/2002 02:44 PM Juanjo

- Added MP3 encoding through libmp3lame contributed by Lennert Buytenhek.
- Changes on AVI and WAV muxers to support MP3 encoding.

Originally committed as revision 323 to svn://svn.ffmpeg.org/ffmpeg/trunk

1699d376 03/10/2002 03:17 AM Michael Niedermayer

divx5 draw_edges bugfix

Originally committed as revision 322 to svn://svn.ffmpeg.org/ffmpeg/trunk

7ff037e9 03/09/2002 02:22 PM Michael Niedermayer

q-pel mc fixed

Originally committed as revision 321 to svn://svn.ffmpeg.org/ffmpeg/trunk

44eb4951 03/09/2002 01:01 PM Michael Niedermayer

divx5-gmc support
q-pel mc support
neither is totally bugfree yet though :(

Originally committed as revision 320 to svn://svn.ffmpeg.org/ffmpeg/trunk

ef0bc4c9 03/08/2002 09:09 AM François Revol
  • BeOS patch by François Revol <>
    fixing some compilation problems

Originally committed as revision 319 to svn://svn.ffmpeg.org/ffmpeg/trunk

73c8e514 03/07/2002 01:27 PM Michael Niedermayer

gmc bitstream decoding support (the real motion compensation isnt implemnted yet)

Originally committed as revision 318 to svn://svn.ffmpeg.org/ffmpeg/trunk

cc9ba006 03/05/2002 01:58 PM Michael Niedermayer

parsing more of the mpeg4 header & print some "not supported" stuff

Originally committed as revision 317 to svn://svn.ffmpeg.org/ffmpeg/trunk

854288bb 03/03/2002 01:33 PM Felix Bünemann

add mangling

Originally committed as revision 4924 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

86bec9a1 03/01/2002 10:28 PM Juanjo

- Fix on AVI and WAV headers based on Nikolai Zhubr patch.
- Now the properties of the AVIs are correctly shown, but the MP2 audio
isn't playable, it seems the problems is that Fraunhoffer MP3 decoder
included on Windows cannot decode MP2 streams.

Originally committed as revision 316 to svn://svn.ffmpeg.org/ffmpeg/trunk

f5d1f41b 02/26/2002 11:11 PM Michael Niedermayer

fixing warning

Originally committed as revision 315 to svn://svn.ffmpeg.org/ffmpeg/trunk

43f1708f 02/26/2002 10:14 PM Juanjo

- Added PSNR feature to libavcodec and ffmpeg. By now just Y PSNR until I'm
sure it works ok. Also it's slow, so use it only when you really need to
measure quality.
- Fix libavcodec Makefile to enable profiling.

Originally committed as revision 314 to svn://svn.ffmpeg.org/ffmpeg/trunk

2b9ab1d5 02/22/2002 07:19 PM Michael Niedermayer

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

81b7c056 02/22/2002 03:24 PM Michael Niedermayer

use assert.h
more assertions

Originally committed as revision 4807 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

e7774f11 02/22/2002 03:35 AM Juanjo

- Bug fix on RTYPE (rounding type) not being honoured by H.263+ decoder.

Originally committed as revision 312 to svn://svn.ffmpeg.org/ffmpeg/trunk

2ba1bff0 02/21/2002 07:41 PM Michael Niedermayer

101++

Originally committed as revision 4795 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

df3c183a 02/21/2002 05:48 PM Michael Niedermayer

fixing bgr32 output on big-endian systems

Originally committed as revision 4794 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

1e1c4fe9 02/21/2002 04:57 PM Michael Niedermayer

unscaled yuv2rgb fix for big-endian systems

Originally committed as revision 4792 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

9e15ad28 02/19/2002 07:23 PM Juanjo

- 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

d140623f 02/18/2002 07:33 PM Juanjo

- H.263+ decoder support for Advanded INTRA Coding (buggy)

Originally committed as revision 310 to svn://svn.ffmpeg.org/ffmpeg/trunk

608d0dee 02/18/2002 10:20 AM Zdenek Kabelac

Originally committed as revision 309 to svn://svn.ffmpeg.org/ffmpeg/trunk

d6a4c0b1 02/18/2002 09:40 AM Zdenek Kabelac
  • some modifications to allow gcc to compile same code for -fPIC
    - introduced MOVQ_WONE, MOVQ_WTWO
  • unrolled put_pixels_clamped_mmx
  • added .baling where the jump address would be compiled on odd address
  • added some testing code to disable all these routines (for time measurement)...
38d171eb 02/18/2002 09:34 AM Zdenek Kabelac
  • simplified indexing
  • ignoring error from msmpeg4_decode_block

Originally committed as revision 307 to svn://svn.ffmpeg.org/ffmpeg/trunk

af8793ae 02/18/2002 09:32 AM Zdenek Kabelac
  • simplified indexing

Originally committed as revision 306 to svn://svn.ffmpeg.org/ffmpeg/trunk

8257bf05 02/18/2002 09:31 AM Zdenek Kabelac
  • eliminating duplicated code from MPV_common_end
  • simplified indexing

Originally committed as revision 305 to svn://svn.ffmpeg.org/ffmpeg/trunk

3232bc88 02/18/2002 09:29 AM Zdenek Kabelac
  • using static instead of extern

Originally committed as revision 304 to svn://svn.ffmpeg.org/ffmpeg/trunk

b4cc15e7 02/18/2002 09:28 AM Zdenek Kabelac
  • continue after error in msmpeg4_decode_mb - helps for some movie samples

Originally committed as revision 303 to svn://svn.ffmpeg.org/ffmpeg/trunk

bb6f51ae 02/18/2002 01:58 AM Michael Niedermayer

avoid overflow of picturenumber*fps*10000
bug found by Lennert Buytenhek <>

Originally committed as revision 302 to svn://svn.ffmpeg.org/ffmpeg/trunk

3696d2bb 02/18/2002 12:31 AM Michael Niedermayer

block_last_index was too large (in mpeg1 decoding)

Originally committed as revision 301 to svn://svn.ffmpeg.org/ffmpeg/trunk

b4dbd87c 02/15/2002 08:46 PM Juanjo

- Minor changes on bitrate control

Originally committed as revision 300 to svn://svn.ffmpeg.org/ffmpeg/trunk

d8cf5aea 02/15/2002 12:14 AM Michael Niedermayer

optimized the normal bitstream writer, its faster than the alternative one on p3 now ... lets hope its at least not slower on p4 & k7

Originally committed as revision 299 to svn://svn.ffmpeg.org/ffmpeg/trunk

332105e4 02/14/2002 04:38 PM Michael Niedermayer

minor dststride bugfix for i420 output
srcHeight %2 != 0 bugfix / chroma height = (luma height +1)>>1 in YV12

Originally committed as revision 4699 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

f004ca1c 02/13/2002 03:26 PM Michael Niedermayer

optimized encode_dc() (+2% speed on P3 for mpeg1 intra only encodings)

Originally committed as revision 298 to svn://svn.ffmpeg.org/ffmpeg/trunk

80feb2a2 02/13/2002 04:19 AM Michael Niedermayer

optimize mpeg1_encode_block()
(makeing some constant arrays global, merging put_bits(), ...)

Originally committed as revision 297 to svn://svn.ffmpeg.org/ffmpeg/trunk

4f0f8bfc 02/12/2002 10:43 PM Michael Niedermayer

aligned bitstream writer (1% slower on p3 but perhaps its faster on p4?)

Originally committed as revision 296 to svn://svn.ffmpeg.org/ffmpeg/trunk

17592475 02/12/2002 03:43 PM Michael Niedermayer

alternative bitstream writer (disabled by default, uncomment #define ALT_BISTREAM_WRITER in common.h if u want to try it)

Originally committed as revision 295 to svn://svn.ffmpeg.org/ffmpeg/trunk

9bd8bd1a 02/10/2002 11:57 PM Michael Niedermayer

unscaled memcpy variant bugfix (negative strides)

Originally committed as revision 4650 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

e03c341e 02/10/2002 06:10 AM Juanjo

- More work on preliminary bit rate control, just to be able to get an
average variance for picture's MBs so we can adjust qscale on the MB layer.

Originally committed as revision 294 to svn://svn.ffmpeg.org/ffmpeg/trunk

37fbfd0a 02/10/2002 01:56 AM Juanjo

- Now the ME is done for the entire picture when enconding, the
DCT/Quantization is done after we have calculated all the MV of the picture.
- This is the preamble for a better bit rate control.

Originally committed as revision 293 to svn://svn.ffmpeg.org/ffmpeg/trunk

ec22603f 02/10/2002 12:43 AM Michael Niedermayer

unscaled BGR24 -> YV12

Originally committed as revision 4624 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

21316f3c 02/10/2002 12:30 AM Michael Niedermayer

rgb24toyv12 in MMX (untested)

Originally committed as revision 4623 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

4342fc14 02/09/2002 11:43 PM Michael Niedermayer

bgr24toUV in MMX

Originally committed as revision 4620 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

ac6a2e45 02/09/2002 05:03 PM Michael Niedermayer

bgr24toY in MMX

Originally committed as revision 4613 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

81401c1f 02/09/2002 04:59 PM Juanjo

- 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

3cb32e3d 02/09/2002 01:25 AM Arpi

PATCH by Rik Snel <>
this includes the range for quantized dct coefficients in dct_quantize() (-1023...1023)

Originally committed as revision 291 to svn://svn.ffmpeg.org/ffmpeg/trunk

80e103d0 02/09/2002 01:23 AM Arpi

PATCH by Rik Snel <>

this patch enhances the jpeg header writer. It can be asked to omit
quantisation and huffman tables and it can write different horizontal and
vertical sampling factors. (the last thing is useless for libavcodec
itself (because libavcodec only handles YUV420P at ecoder level), but the...

fa778d53 02/09/2002 12:38 AM Michael Niedermayer

workaround gcc 2.95.2 bug

Originally committed as revision 289 to svn://svn.ffmpeg.org/ffmpeg/trunk

b0db4198 02/08/2002 03:54 PM Michael Niedermayer

fastmemcpy

Originally committed as revision 4587 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

4bb3fa5e 02/08/2002 04:18 AM Michael Niedermayer

unscaled BGR15->BGR16
a few bugfixes of the other unscaled converters

Originally committed as revision 4582 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

b72034dd 02/08/2002 03:09 AM Michael Niedermayer

bgr15 input support

Originally committed as revision 4581 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

5bb9d9d8 02/08/2002 01:24 AM Michael Niedermayer

faster bgr16 input

Originally committed as revision 4580 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

6af250ea 02/08/2002 12:42 AM Michael Niedermayer

bgr16 input support

Originally committed as revision 4579 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

0b2540a0 02/07/2002 11:48 PM Michael Niedermayer

avoid copying input when encoding non intra stuff too

Originally committed as revision 288 to svn://svn.ffmpeg.org/ffmpeg/trunk

b935781b 02/07/2002 03:29 PM Michael Niedermayer

unscaled converters
BGR24 -> BGR32 & RGB24 -> RGB32
BGR32 -> BGR24 & RGB32 -> RGB24

Originally committed as revision 4568 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

adeaecb9 02/07/2002 03:39 AM Michael Niedermayer

fixing green line at right side bug (reported by Nick Kurshev <>)

Originally committed as revision 4564 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

d8c2efac 02/07/2002 02:08 AM Michael Niedermayer

width or height %16 != 0 bugfix

Originally committed as revision 287 to svn://svn.ffmpeg.org/ffmpeg/trunk

a861d4d7 02/06/2002 10:55 PM Michael Niedermayer

rgb32 & rgb24 input support
squished a endianness bug in the 15/16bgr output

Originally committed as revision 4559 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

b6654a54 02/06/2002 09:59 PM Michael Niedermayer

101 (yuv2rgb with mpeg1,...) ;)
simple copy if possible (same format, no scaling, ...)

Originally committed as revision 4556 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

37079906 02/06/2002 08:52 PM Michael Niedermayer

swScale internally uses yuv2rgb now if possible

Originally committed as revision 4555 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

6fe84b43 02/05/2002 10:51 PM Michael Niedermayer

use multiply instead of divides for DC prediction on X86

Originally committed as revision 286 to svn://svn.ffmpeg.org/ffmpeg/trunk

b81cf274 02/04/2002 06:53 PM Michael Niedermayer

printing error messages if something is wrong instead of just return NULL;

Originally committed as revision 4530 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

8a01d20c 02/03/2002 02:08 AM Michael Niedermayer

filterPos bugfix (only nearest neighbor scaling was affected)

Originally committed as revision 4493 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

6ff0ad6b 02/02/2002 06:18 PM Michael Niedermayer

MMX optimized YUY2 input
avoid duplicate checks for formats by changeing them (Y8->Y800, IYUV->I420)

Originally committed as revision 4482 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

17470314 02/01/2002 07:39 PM Michael Niedermayer

printing correct format info

Originally committed as revision 4469 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

1e621b18 02/01/2002 07:25 PM Michael Niedermayer

YUY2, BGR24, BGR32 input support (no mmx yet)

Originally committed as revision 4468 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

1f347f22 01/30/2002 03:32 PM Michael Niedermayer

-sws 2 is default now

Originally committed as revision 4422 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

6c7506de 01/30/2002 03:21 PM Michael Niedermayer

YV12 like formats support (I420/IYUV)
bugfixes related to vo_x11 resizeing

Originally committed as revision 4420 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

4b6388d1 01/29/2002 04:21 AM Michael Niedermayer

top row bugfix

Originally committed as revision 4404 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

d8863d37 01/29/2002 01:43 AM Michael Niedermayer

area averageing scaling support (-sws 5) (is identical to bilinear for upscale)

Originally committed as revision 4403 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

ff7ba856 01/28/2002 11:57 PM Michael Niedermayer

nearest neighbor / sdl emulation ;) scaling (-sws 4)

Originally committed as revision 4402 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

bdd677ac 01/28/2002 10:38 PM Michael Niedermayer

minor QP bugfix

Originally committed as revision 4400 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

5dfd24ac 01/28/2002 07:34 PM Arpi

workaround gcc bug "m" (0)
avoiding useage of ebx

Originally committed as revision 283 to svn://svn.ffmpeg.org/ffmpeg/trunk

320680d4 01/28/2002 06:06 PM Zdenek Kabelac
  • 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

2f349de2 01/27/2002 01:30 PM Michael Niedermayer

(commit by michael)
mmx & mmx2 quantizer
c dct permutation bugfix
dont copy input on intra only encodings if it can be avoided
dont draw edges on intra only stuff

Originally committed as revision 281 to svn://svn.ffmpeg.org/ffmpeg/trunk