mirror of https://git.ffmpeg.org/ffmpeg.git
119 lines
4.4 KiB
C
119 lines
4.4 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* Copyright (c) 2015 Matthieu Bouron <matthieu.bouron stupeflix.com>
|
|
*
|
|
* 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_FRAMEPOOL_H
|
|
#define AVFILTER_FRAMEPOOL_H
|
|
|
|
#include "libavutil/buffer.h"
|
|
#include "libavutil/frame.h"
|
|
|
|
/**
|
|
* Frame pool. This structure is opaque and not meant to be accessed
|
|
* directly. It is allocated with ff_frame_pool_init() and freed with
|
|
* ff_frame_pool_uninit().
|
|
*/
|
|
typedef struct FFFramePool FFFramePool;
|
|
|
|
/**
|
|
* Allocate and initialize a video frame pool.
|
|
*
|
|
* @param alloc a function that will be used to allocate new frame buffers when
|
|
* the pool is empty. May be NULL, then the default allocator will be used
|
|
* (av_buffer_alloc()).
|
|
* @param width width of each frame in this pool
|
|
* @param height height of each frame in this pool
|
|
* @param format format of each frame in this pool
|
|
* @param align buffers alignement of each frame in this pool
|
|
* @return newly created video frame pool on success, NULL on error.
|
|
*/
|
|
FFFramePool *ff_frame_pool_video_init(AVBufferRef* (*alloc)(int size),
|
|
int width,
|
|
int height,
|
|
enum AVPixelFormat format,
|
|
int align);
|
|
|
|
/**
|
|
* Allocate and initialize an audio frame pool.
|
|
*
|
|
* @param alloc a function that will be used to allocate new frame buffers when
|
|
* the pool is empty. May be NULL, then the default allocator will be used
|
|
* (av_buffer_alloc()).
|
|
* @param channels channels of each frame in this pool
|
|
* @param nb_samples number of samples of each frame in this pool
|
|
* @param format format of each frame in this pool
|
|
* @param align buffers alignement of each frame in this pool
|
|
* @return newly created audio frame pool on success, NULL on error.
|
|
*/
|
|
FFFramePool *ff_frame_pool_audio_init(AVBufferRef* (*alloc)(int size),
|
|
int channels,
|
|
int samples,
|
|
enum AVSampleFormat format,
|
|
int align);
|
|
|
|
/**
|
|
* Deallocate the frame pool. It is safe to call this function while
|
|
* some of the allocated frame are still in use.
|
|
*
|
|
* @param pool pointer to the frame pool to be freed. It will be set to NULL.
|
|
*/
|
|
void ff_frame_pool_uninit(FFFramePool **pool);
|
|
|
|
/**
|
|
* Get the video frame pool configuration.
|
|
*
|
|
* @param width width of each frame in this pool
|
|
* @param height height of each frame in this pool
|
|
* @param format format of each frame in this pool
|
|
* @param align buffers alignement of each frame in this pool
|
|
* @return 0 on success, a negative AVERROR otherwise.
|
|
*/
|
|
int ff_frame_pool_get_video_config(FFFramePool *pool,
|
|
int *width,
|
|
int *height,
|
|
enum AVPixelFormat *format,
|
|
int *align);
|
|
|
|
/**
|
|
* Get the audio frame pool configuration.
|
|
*
|
|
* @param channels channels of each frame in this pool
|
|
* @param nb_samples number of samples of each frame in this pool
|
|
* @param format format of each frame in this pool
|
|
* @param align buffers alignement of each frame in this pool
|
|
* @return 0 on success, a negative AVERROR otherwise.
|
|
*/
|
|
int ff_frame_pool_get_audio_config(FFFramePool *pool,
|
|
int *channels,
|
|
int *nb_samples,
|
|
enum AVSampleFormat *format,
|
|
int *align);
|
|
|
|
|
|
/**
|
|
* Allocate a new AVFrame, reussing old buffers from the pool when available.
|
|
* This function may be called simultaneously from multiple threads.
|
|
*
|
|
* @return a new AVFrame on success, NULL on error.
|
|
*/
|
|
AVFrame *ff_frame_pool_get(FFFramePool *pool);
|
|
|
|
|
|
#endif /* AVFILTER_FRAMEPOOL_H */
|