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ffmpeg / libavfilter / vf_crop.c @ aad2f2f4

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# Date Author Comment
2912e87a 03/19/2011 01:33 PM Mans Rullgard

Replace FFmpeg with Libav in licence headers

Signed-off-by: Mans Rullgard <>

737eb597 02/15/2011 03:18 PM Reinhard Tartler

Merge libavcore into libavutil

It is pretty hopeless that other considerable projects will adopt
libavutil alone in other projects. Projects that need small footprint
are better off with more specialized libraries such as gnulib or rather
just copy the necessary parts that they need. With this in mind, nobody...

d34a77fb 01/05/2011 01:00 AM Baptiste Coudurier

In crop filter, update new ref w/h instead of old one, fix chaining

Originally committed as revision 26216 to svn://

b4356e41 12/27/2010 06:04 PM Stefano Sabatini

In the crop filter, put under ifdef DEBUG the trace logs for the
evaluated crop area coordinates.

Prevent debug log spamming, define the DEBUG symbol for enabling them.

Originally committed as revision 26110 to svn://

3fa77bde 11/28/2010 10:22 AM Stefano Sabatini

In libavfilter, use consistently "Copyright (c)" in the license

Originally committed as revision 25838 to svn://

459b0661 11/24/2010 06:07 PM Stefano Sabatini

0.123l: remove unused arguments in av_log(), fix warning.

Originally committed as revision 25820 to svn://

3ff99953 11/24/2010 01:32 AM Baptiste Coudurier

In crop filter, reference picref after updating w/h, fix issue #2377

Originally committed as revision 25818 to svn://

16d14d64 11/23/2010 09:08 PM Stefano Sabatini

Add informative log message in the crop filter.

Originally committed as revision 25817 to svn://

d2af7205 11/08/2010 02:06 PM Stefano Sabatini

Use hierarchic names convention (prefix them with av_expr) for the
eval API.

More grep-friendly and more consistent with the rest of the FFmpeg

Originally committed as revision 25708 to svn://

4b3d0dc6 11/02/2010 06:40 PM Stefano Sabatini

Fix crop->var_values[VAR_T] computation in the crop filter.

Originally committed as revision 25645 to svn://

1afab338 09/25/2010 01:53 PM Stefano Sabatini

Prefix enum var_name symbols with VAR_, to avoid conflicts with already
defined symbols, in particular should fix compilation in DOS.

Originally committed as revision 25194 to svn://

921bf9f1 09/25/2010 01:42 PM Stefano Sabatini

Fix memleak introduced in:

r25185 | stefano | 2010-09-25 03:18:43 +0200 (Sat, 25 Sep 2010) | 1 line
Make the crop filters accept parametric expressions.

Originally committed as revision 25193 to svn://

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

Make the crop filters accept parametric expressions.

Originally committed as revision 25185 to svn://

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://

11198b18 09/10/2010 05:44 PM Stefano Sabatini

Cosmetics: remove useless parentheses.

Originally committed as revision 25097 to svn://

e16f217c 09/07/2010 07:15 PM Stefano Sabatini

Use new imgutils.h API names, fix deprecation warnings.

Originally committed as revision 25058 to svn://

e3443361 08/20/2010 04:52 PM Stefano Sabatini

Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().

The plural form is preferred as it is more consistent with the other functions:

and looks semantically more correct as it fills an array of elements....

a6ddf8bf 08/18/2010 09:02 PM Stefano Sabatini

Implement inline function av_fill_image_max_pixstep() and use it for
factorizing code.

Originally committed as revision 24827 to svn://

cc80caff 08/11/2010 11:06 AM S.N. Hemanth Meenakshisunda...

Separate video specific BufferRef properties into VideoProps.

Define a new struct AVFilterBufferRefVideoProps and add a type field
to AVFilterBufferRef.

Video specific properties in AVFilterBufferRefVideoProps are now
referred to by *video pointer in AVFilterBufferRef....

7fce481a 08/07/2010 01:15 AM S.N. Hemanth Meenakshisunda...

Rename functions and fields:

avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
AVFilterBufferRef.pic -> AVFilterBufferRef.buffer

They have been renamed to allow sharing with audio.

Patch by S.N. Hemanth Meenakshisundaram $smeenaks$ucsd$edu$....

ecc8dada 08/07/2010 01:15 AM S.N. Hemanth Meenakshisunda...

Rename AVFilterPicRef to AVFilterBufferRef.

The struct is going to be used for storing audio buffer references as
well, and the new name is more generic.

Patch by S.N. Hemanth Meenakshisundaram smeenaks@ucsd@edu.

Originally committed as revision 24730 to svn://

d6bb31a4 07/30/2010 11:56 AM Stefano Sabatini

Make config_input() return AVERROR in place of -1.

Originally committed as revision 24595 to svn://

b59d12b1 07/30/2010 11:33 AM Stefano Sabatini

Compute the max pixel step for each plane, and use it in place of
hardcoding that value in a switch.

More compact and correct.

Originally committed as revision 24594 to svn://

8d5fa2ba 07/22/2010 10:06 PM Stefano Sabatini

Remove dependency on avcodec_get_chroma_sub_sample() and libavcodec,
use the pixdesc API instead.

Originally committed as revision 24440 to svn://

ba87f080 04/20/2010 02:45 PM Diego Biurrun

Remove explicit filename from Doxygen @file commands.

Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://

72415b2a 03/30/2010 11:30 PM Stefano Sabatini

Define AVMediaType enum, and use it instead of enum CodecType, which
is deprecated and will be dropped at the next major bump.

Originally committed as revision 22735 to svn://

d313e17a 03/18/2010 11:13 PM Bobby Bingham

Use the new null callbacks to simplify filters and reduce duplicated code.

Originally committed as revision 22595 to svn://

ef9f8dd7 02/03/2010 11:10 PM Stefano Sabatini

Use pixel format descriptors for checking if the input format is
paletted. Simpler and more robust.

Originally committed as revision 21631 to svn://

a13a5437 12/04/2009 11:26 PM Stefano Sabatini

Add a slice_dir parameter to avfilter_draw_slice().

Avoid the need to implement slice direction detection code, thus
reducing code duplication.

See the thread:
"[FFmpeg-devel] [PATCH] Add a slice_dir parameter to avfilter_start_frame()".

Originally committed as revision 20734 to svn://

2d64744f 11/22/2009 11:51 AM Stefano Sabatini

Remove from the list of the supported formats the formats which are
not correctly supported.

See the thread:
"[FFmpeg-devel] [PATCH] Remove not truly supported formats support from the crop filter".

Originally committed as revision 20576 to svn://

5c3c0e3f 11/09/2009 09:00 PM Stefano Sabatini

Fix crop filter start_frame() for paletted formats different from
PAL8. Shift data1 only if the input format is not paletted.

Originally committed as revision 20488 to svn://

ac74dfa4 11/08/2009 10:47 PM Stefano Sabatini

Fix start_frame(), which was issuing chroma artifacts with planar
formats with more than 8 bits per pixel (e.g. YUVXXXP16).

Originally committed as revision 20479 to svn://

b70bc022 10/27/2009 12:43 AM Stefano Sabatini

Add descriptions for the committed filters.

Originally committed as revision 20375 to svn://

06718022 10/21/2009 09:04 PM Stefano Sabatini

Make the pix_fmts var in query_formats() static const.

Originally committed as revision 20343 to svn://

190c1669 10/21/2009 08:57 PM Stefano Sabatini

Add video crop filter.

Originally committed as revision 20342 to svn://