mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
4.3 KiB
131 lines
4.3 KiB
/* |
|
* 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 */
|
|
|