mirror of https://git.ffmpeg.org/ffmpeg.git
132 lines
4.3 KiB
C
132 lines
4.3 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 "libavcodec/avcodec.h" // AVFrame
|
|
#include "avfilter.h"
|
|
|
|
/**
|
|
* Copy the frame properties of src to dst, without copying the actual
|
|
* image data.
|
|
*
|
|
* @return 0 on success, a negative number on error.
|
|
*/
|
|
int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
|
|
|
|
/**
|
|
* Copy the frame properties and data pointers of src to dst, without copying
|
|
* the actual data.
|
|
*
|
|
* @return 0 on success, a negative number on error.
|
|
*/
|
|
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
|
|
|
|
/**
|
|
* Create and return a picref reference from the data and properties
|
|
* contained in frame.
|
|
*
|
|
* @param perms permissions to assign to the new buffer reference
|
|
*/
|
|
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
|
|
*/
|
|
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
|
|
*/
|
|
AVFilterBufferRef *avfilter_get_buffer_ref_from_frame(enum AVMediaType type,
|
|
const AVFrame *frame,
|
|
int perms);
|
|
|
|
#ifdef 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
|
|
|
|
/**
|
|
* Add frame data to buffer_src.
|
|
*
|
|
* @param buffer_src pointer to a buffer source context
|
|
* @param frame a frame, or NULL to mark EOF
|
|
* @param flags a combination of AV_BUFFERSRC_FLAG_*
|
|
* @return >= 0 in case of success, a negative AVERROR code
|
|
* in case of failure
|
|
*/
|
|
int av_buffersrc_add_frame(AVFilterContext *buffer_src,
|
|
const AVFrame *frame, int flags);
|
|
|
|
#endif /* AVFILTER_AVCODEC_H */
|