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FFmpeg/libavfilter/avcodec.h
Michael Niedermayer d5ec8ba7f2 Do not leave positive values undefined when negative are defined as error
Define positive return values as non errors and leave further meaning undefined
This allows future extensions to use these values

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-10-19 16:42:57 +02:00

111 lines
3.7 KiB
C

/*
* 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
*/
#ifndef AVFILTER_AVCODEC_H
#define AVFILTER_AVCODEC_H
/**
* @file
* libavcodec/libavfilter gluing utilities
*
* This should be included in an application ONLY if the installed
* libavfilter has been compiled with libavcodec support, otherwise
* symbols defined below will not be available.
*/
#include "avfilter.h"
#if FF_API_AVFILTERBUFFER
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
* @deprecated avfilter APIs work natively with AVFrame instead.
*/
attribute_deprecated
AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms);
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
* @deprecated avfilter APIs work natively with AVFrame instead.
*/
attribute_deprecated
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms);
/**
* Create and return a buffer reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
* @deprecated avfilter APIs work natively with AVFrame instead.
*/
attribute_deprecated
AVFilterBufferRef *avfilter_get_buffer_ref_from_frame(enum AVMediaType type,
const AVFrame *frame,
int perms);
#endif
#if FF_API_FILL_FRAME
/**
* Fill an AVFrame with the information stored in samplesref.
*
* @param frame an already allocated AVFrame
* @param samplesref an audio buffer reference
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *samplesref);
/**
* Fill an AVFrame with the information stored in picref.
*
* @param frame an already allocated AVFrame
* @param picref a video buffer reference
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *picref);
/**
* Fill an AVFrame with information stored in ref.
*
* @param frame an already allocated AVFrame
* @param ref a video or audio buffer reference
* @return >= 0 in case of success, a negative AVERROR code in case of
* failure
* @deprecated Use avfilter_copy_buf_props() instead.
*/
attribute_deprecated
int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *ref);
#endif
#endif /* AVFILTER_AVCODEC_H */