dbb38bc389
* qatar/master: swscale: Fix stack alignment for SSE avcodec: move some AVCodecContext fields to an internal struct. avcodec: use av_opt_set() instead of deprecated av_set_string3() avcodec: fix some const warnings avcodec: remove pointless AVOption, internal_buffer_count imgutils: Fix illegal read. Conflicts: doc/APIchanges libavcodec/avcodec.h libavcodec/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
101 lines
2.7 KiB
C
101 lines
2.7 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
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* common internal api header.
|
|
*/
|
|
|
|
#ifndef AVCODEC_INTERNAL_H
|
|
#define AVCODEC_INTERNAL_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "libavutil/pixfmt.h"
|
|
#include "avcodec.h"
|
|
|
|
typedef struct InternalBuffer {
|
|
int last_pic_num;
|
|
uint8_t *base[4];
|
|
uint8_t *data[4];
|
|
int linesize[4];
|
|
int width;
|
|
int height;
|
|
enum PixelFormat pix_fmt;
|
|
} InternalBuffer;
|
|
|
|
typedef struct AVCodecInternal {
|
|
/**
|
|
* internal buffer count
|
|
* used by default get/release/reget_buffer().
|
|
*/
|
|
int buffer_count;
|
|
|
|
/**
|
|
* internal buffers
|
|
* used by default get/release/reget_buffer().
|
|
*/
|
|
InternalBuffer *buffer;
|
|
|
|
/**
|
|
* Whether the parent AVCodecContext is a copy of the context which had
|
|
* init() called on it.
|
|
* This is used by multithreading - shared tables and picture pointers
|
|
* should be freed from the original context only.
|
|
*/
|
|
int is_copy;
|
|
} AVCodecInternal;
|
|
|
|
struct AVCodecDefault {
|
|
const uint8_t *key;
|
|
const uint8_t *value;
|
|
};
|
|
|
|
/**
|
|
* Determine whether pix_fmt is a hardware accelerated format.
|
|
*/
|
|
int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
|
|
|
|
/**
|
|
* Return the hardware accelerated codec for codec codec_id and
|
|
* pixel format pix_fmt.
|
|
*
|
|
* @param codec_id the codec to match
|
|
* @param pix_fmt the pixel format to match
|
|
* @return the hardware accelerated codec, or NULL if none was found.
|
|
*/
|
|
AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
|
|
|
|
/**
|
|
* Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
|
|
* If there is no such matching pair then size is returned.
|
|
*/
|
|
int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
|
|
|
|
unsigned int avpriv_toupper4(unsigned int x);
|
|
|
|
/**
|
|
* does needed setup of pkt_pts/pos and such for (re)get_buffer();
|
|
*/
|
|
void ff_init_buffer_info(AVCodecContext *s, AVFrame *pic);
|
|
|
|
int avpriv_lock_avformat(void);
|
|
int avpriv_unlock_avformat(void);
|
|
|
|
#endif /* AVCODEC_INTERNAL_H */
|