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# Date Author Comment
f8a45fa1 03/16/2011 09:01 PM Janne Grunau

replace FFmpeg with Libav in doc/

unless it stands for ffmpeg the program or is historic

aa8ac53b 02/11/2011 02:01 PM Stefano Sabatini

Update overlay documentation after movie syntax update.

Overlay documentation is still using the old unsupported syntax.

Signed-off-by: Mans Rullgard <>

9409c381 02/08/2011 12:20 PM Stefano Sabatini

libavfilter: add video movie source

See thread:
Subject: [PATCH] movie video source
Date: 2010-12-31 15:35:30 GMT

Signed-off-by: Janne Grunau <>

a51c71bb 01/15/2011 12:32 AM Baptiste Coudurier

In yadif filter, default to top field first if interlacing is unknown

Originally committed as revision 26347 to svn://svn.ffmpeg.org/ffmpeg/trunk

e6dba1d8 01/09/2011 10:28 AM Stefano Sabatini

Fix typos in the crop filter documentation.

Originally committed as revision 26284 to svn://svn.ffmpeg.org/ffmpeg/trunk

b5670209 12/28/2010 01:01 AM Stefano Sabatini

Add copy filter, useful for testing the avfilter_draw_slice() copy
code.

Originally committed as revision 26112 to svn://svn.ffmpeg.org/ffmpeg/trunk

f150e4dc 12/26/2010 11:52 AM Stefano Sabatini

Extend documentation for format and noformat filters, and remove
explicit reference to the ffmpeg tool command for keeping the docs
more generic.

Originally committed as revision 26098 to svn://svn.ffmpeg.org/ffmpeg/trunk

17fc9493 12/26/2010 11:27 AM Stefano Sabatini

Add erode libopencv filter.

Originally committed as revision 26097 to svn://svn.ffmpeg.org/ffmpeg/trunk

91cbb6ba 12/26/2010 11:27 AM Stefano Sabatini

Add dilate libopencv filter.

Originally committed as revision 26096 to svn://svn.ffmpeg.org/ffmpeg/trunk

cf69ad35 12/23/2010 05:24 PM Stefano Sabatini

Redesign the libopencv wrapper to make it more generic. Accept both
FILTERNAME=ARGS and FILTERNAME:ARGS syntax.

The same filter class will be used for managing all the libopencv
filtering functions.

Originally committed as revision 26079 to svn://svn.ffmpeg.org/ffmpeg/trunk

1653027a 12/17/2010 02:57 PM Stefano Sabatini

Improve layout and clarify / complete documentation for the yadif
filter.

Originally committed as revision 26043 to svn://svn.ffmpeg.org/ffmpeg/trunk

d5f187fd 12/12/2010 05:59 PM Nolan L

Add gradfun filter, ported from MPlayer.

Patch by Nolan L nol888 <=> gmail >=< com.

See thread:
Subject: [FFmpeg-devel] [PATCH] Port gradfun to libavfilter (GCI)
Date: Mon, 29 Nov 2010 07:18:14 -0500

Originally committed as revision 25942 to svn://svn.ffmpeg.org/ffmpeg/trunk

1ebe5c4c 12/12/2010 01:39 PM Stefano Sabatini

Add section describing the filtergraph.

Originally committed as revision 25937 to svn://svn.ffmpeg.org/ffmpeg/trunk

a4dc7aa5 12/04/2010 01:03 PM Baptiste Coudurier

Port libmpcodecs hqdn3d filter.

Patch by Baptiste with some fixes by me.

Originally committed as revision 25880 to svn://svn.ffmpeg.org/ffmpeg/trunk

f51aeedd 11/30/2010 08:14 PM Stefano Sabatini

Extend the frei0r filter syntax.

Make it accept the frei0r=filtername=params as alternative to
frei0r=filtername:params.

Originally committed as revision 25856 to svn://svn.ffmpeg.org/ffmpeg/trunk

f8608dca 11/30/2010 08:14 PM Stefano Sabatini

Implement frei0r source.

Originally committed as revision 25855 to svn://svn.ffmpeg.org/ffmpeg/trunk

58935b25 11/21/2010 06:39 PM Stefano Sabatini

Port overlay filter from the libavfilter repo (with many fixes),
adopting Baptiste variant which is simpler and faster.

Originally committed as revision 25784 to svn://svn.ffmpeg.org/ffmpeg/trunk

d89e3b36 11/02/2010 10:40 PM Stefano Sabatini

Move settb docs after setpts docs, fix alphabetical order.

Originally committed as revision 25656 to svn://svn.ffmpeg.org/ffmpeg/trunk

a532bb39 11/02/2010 10:29 PM Stefano Sabatini

Add setpts filter, ported from the libavfilter soc repo.

Originally committed as revision 25655 to svn://svn.ffmpeg.org/ffmpeg/trunk

3699c1f1 11/01/2010 10:33 AM Stefano Sabatini

Fix documented syntax for the cropdetect filter.

Originally committed as revision 25627 to svn://svn.ffmpeg.org/ffmpeg/trunk

3d17f4b9 10/25/2010 04:15 AM Stefano Sabatini

Add example to the filter pad documentation.

Originally committed as revision 25564 to svn://svn.ffmpeg.org/ffmpeg/trunk

43945b27 10/18/2010 09:29 PM Stefano Sabatini

Add transpose filter.

Originally committed as revision 25525 to svn://svn.ffmpeg.org/ffmpeg/trunk

f5b05b95 10/12/2010 06:40 PM Stefano Sabatini

Cosmetics: remove pointless empty line.

Originally committed as revision 25452 to svn://svn.ffmpeg.org/ffmpeg/trunk

94498ec9 10/12/2010 06:40 PM Stefano Sabatini

Extend buffer source to accept the time base for the output PTS.

Originally committed as revision 25451 to svn://svn.ffmpeg.org/ffmpeg/trunk

68b79bfc 10/12/2010 09:22 AM Stefano Sabatini

Implement cropdetect filter.

Originally committed as revision 25447 to svn://svn.ffmpeg.org/ffmpeg/trunk

16134b7c 10/11/2010 11:27 PM Stefano Sabatini

Extend the nullsrc source, make it accept a parameter for specifying
the timebase. Useful for debugging timebase configuration issues.

Originally committed as revision 25446 to svn://svn.ffmpeg.org/ffmpeg/trunk

214c0d42 10/11/2010 02:00 PM Stefano Sabatini

Implement settb filter.

Originally committed as revision 25445 to svn://svn.ffmpeg.org/ffmpeg/trunk

e40032e2 09/28/2010 01:16 PM Stefano Sabatini

Add the drawbox filter from the soc libavfilter repo.
Pedagogically useful.

Originally committed as revision 25244 to svn://svn.ffmpeg.org/ffmpeg/trunk

13fabd7a 09/26/2010 09:36 PM Stefano Sabatini

Port MPlayer blackframe filter.

See thread:
Subject: [FFmpeg-devel] [PATCH] Port MPlayer blackframe filter.
Date: Sun, 26 Sep 2010 01:10:40 +0200

Originally committed as revision 25214 to svn://svn.ffmpeg.org/ffmpeg/trunk

acbac567 09/25/2010 04:43 PM Michael Niedermayer

yadif filter, based on stefanos port of my yadif from mplayer.
Compared to stefanos, 2 frame output works with ffplay.

Originally committed as revision 25196 to svn://svn.ffmpeg.org/ffmpeg/trunk

6ef93402 09/25/2010 09:58 AM Stefano Sabatini

Slightly clarify expression in for the anullsrc source documentation.

Originally committed as revision 25191 to svn://svn.ffmpeg.org/ffmpeg/trunk

f0a55438 09/25/2010 01:57 AM S.N. Hemanth Meenakshisunda...

Add asink_anullsink - null audio sink.

Patch by "S.N. Hemanth Meenakshisundaram" /smeenaks/ucsd/edu.

Originally committed as revision 25189 to svn://svn.ffmpeg.org/ffmpeg/trunk

1ee410f3 09/25/2010 01:56 AM Stefano Sabatini

Add asrc_anullsrc - null audio source.

Based on a patch by "S.N. Hemanth Meenakshisundaram" smeenaks!ucsd!edu.

Originally committed as revision 25188 to svn://svn.ffmpeg.org/ffmpeg/trunk

75b67a8a 09/25/2010 01:18 AM Stefano Sabatini

Make the crop filters accept parametric expressions.

Originally committed as revision 25185 to svn://svn.ffmpeg.org/ffmpeg/trunk

2bc05d35 09/24/2010 11:14 PM Stefano Sabatini

Change the syntax of the crop filter from x:y:w:h to w:h:x:y.

Slightly more intuitive and required by a pending changes for making
the filter parametric.

Originally committed as revision 25184 to svn://svn.ffmpeg.org/ffmpeg/trunk

47941088 09/24/2010 12:32 AM Stefano Sabatini

Add frei0r filter.

See thread:
Subject: [FFmpeg-devel] [POC] frei0r wrapper
Date: Tue, 24 Aug 2010 21:37:32 +0200

Originally committed as revision 25165 to svn://svn.ffmpeg.org/ffmpeg/trunk

58d94364 09/16/2010 08:37 AM Stefano Sabatini

Fix grammar in the ocv_smooth filter documentation.

Originally committed as revision 25131 to svn://svn.ffmpeg.org/ffmpeg/trunk

b1094275 09/16/2010 08:34 AM Stefano Sabatini

Prefer "X" over ``X'', looks more readable and more consistent with
the rest of FFmpeg docs.

Originally committed as revision 25130 to svn://svn.ffmpeg.org/ffmpeg/trunk

6ebf0bfc 09/14/2010 01:21 PM Stefano Sabatini

Implement libopencv smooth filter.

Originally committed as revision 25118 to svn://svn.ffmpeg.org/ffmpeg/trunk

7f1af825 08/24/2010 08:38 AM Stefano Sabatini

Add fifo filter.

Originally committed as revision 24896 to svn://svn.ffmpeg.org/ffmpeg/trunk

99046339 08/20/2010 11:16 PM S.N. Hemanth Meenakshisunda...

Add null audio filter.

Patch by S.N. Hemanth Meenakshisundaram -af smeenaks,ucsd,edu.

Originally committed as revision 24856 to svn://svn.ffmpeg.org/ffmpeg/trunk

f59e9eaf 08/20/2010 11:16 PM Stefano Sabatini

Add AUDIO FILTERS section.

Originally committed as revision 24855 to svn://svn.ffmpeg.org/ffmpeg/trunk

a1e171df 08/17/2010 02:59 PM Stefano Sabatini

Add hflip filter.

Originally committed as revision 24806 to svn://svn.ffmpeg.org/ffmpeg/trunk

ac1a31ab 07/21/2010 05:31 PM VĂ­ctor Paesa

Typo.

Originally committed as revision 24392 to svn://svn.ffmpeg.org/ffmpeg/trunk

24413399 07/21/2010 05:14 PM Stefano Sabatini

Document the buffer source.

Originally committed as revision 24388 to svn://svn.ffmpeg.org/ffmpeg/trunk

b5f47309 07/17/2010 10:57 AM Stefano Sabatini

Fix documentation syntax for the color source, the third parameter is
frame_rate, not frame_width. Thanks elenril for spotting it.

Originally committed as revision 24287 to svn://svn.ffmpeg.org/ffmpeg/trunk

23ccf3c7 07/17/2010 10:14 AM Stefano Sabatini

Add color source.

Originally committed as revision 24282 to svn://svn.ffmpeg.org/ffmpeg/trunk

ce2e4ae3 07/07/2010 06:24 PM Stefano Sabatini

Add pixdesctest filter and corresponding test.

Originally committed as revision 24092 to svn://svn.ffmpeg.org/ffmpeg/trunk

843b5fd0 06/21/2010 10:49 PM Stefano Sabatini

Re-add the list of parameters for the unsharp filter, I somehow lost
it in the previous commit.

Originally committed as revision 23690 to svn://svn.ffmpeg.org/ffmpeg/trunk

3275ac6a 06/21/2010 10:09 PM Stefano Sabatini

Make the ffmpeg and ffplay man pages show the list of lavfi filters,
sinks and sources, and document the -vf option.

Originally committed as revision 23689 to svn://svn.ffmpeg.org/ffmpeg/trunk