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libavfilter: vf_split from soc.

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Commited by michael, for detailed authorship see soc repo
This commit is contained in:
Bobby Bingham 2011-05-21 16:46:11 +02:00 committed by Michael Niedermayer
parent 95eb2e3a38
commit a38a00eddf
3 changed files with 65 additions and 0 deletions
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1
libavfilter/Makefile
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@ -52,6 +52,7 @@ OBJS-$(CONFIG_SETSAR_FILTER) += vf_aspect.o
OBJS-$(CONFIG_SETTB_FILTER) += vf_settb.o
OBJS-$(CONFIG_SHOWINFO_FILTER) += vf_showinfo.o
OBJS-$(CONFIG_SLICIFY_FILTER) += vf_slicify.o
OBJS-$(CONFIG_SPLIT_FILTER) += vf_split.o
OBJS-$(CONFIG_TRANSPOSE_FILTER) += vf_transpose.o
OBJS-$(CONFIG_UNSHARP_FILTER) += vf_unsharp.o
OBJS-$(CONFIG_VFLIP_FILTER) += vf_vflip.o

1
libavfilter/allfilters.c
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@ -68,6 +68,7 @@ void avfilter_register_all(void)
REGISTER_FILTER (SETTB, settb, vf);
REGISTER_FILTER (SHOWINFO, showinfo, vf);
REGISTER_FILTER (SLICIFY, slicify, vf);
REGISTER_FILTER (SPLIT, split, vf);
REGISTER_FILTER (TRANSPOSE, transpose, vf);
REGISTER_FILTER (UNSHARP, unsharp, vf);
REGISTER_FILTER (VFLIP, vflip, vf);

63
libavfilter/vf_split.c Normal file
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@ -0,0 +1,63 @@
/*
* Video splitter
* copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avfilter.h"
static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
avfilter_start_frame(link->dst->outputs[0],
avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
avfilter_start_frame(link->dst->outputs[1],
avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
}
static void end_frame(AVFilterLink *link)
{
avfilter_end_frame(link->dst->outputs[0]);
avfilter_end_frame(link->dst->outputs[1]);
avfilter_unref_buffer(link->cur_buf);
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir);
avfilter_draw_slice(link->dst->outputs[1], y, h, slice_dir);
}
AVFilter avfilter_vf_split =
{
.name = "split",
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.get_video_buffer= avfilter_null_get_video_buffer,
.start_frame = start_frame,
.draw_slice = draw_slice,
.end_frame = end_frame, },
{ .name = NULL}},
.outputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO, },
{ .name = "default2",
.type = AVMEDIA_TYPE_VIDEO, },
{ .name = NULL}},
};