1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19/**
20 * @file
21 * common internal api header.
22 */
23
24#ifndef AVCODEC_INTERNAL_H
25#define AVCODEC_INTERNAL_H
26
27#include <stdint.h>
28#include "avcodec.h"
29
30/**
31 * Determines whether pix_fmt is a hardware accelerated format.
32 */
33int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
34
35/**
36 * Returns the hardware accelerated codec for codec codec_id and
37 * pixel format pix_fmt.
38 *
39 * @param codec_id the codec to match
40 * @param pix_fmt the pixel format to match
41 * @return the hardware accelerated codec, or NULL if none was found.
42 */
43AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
44
45/**
46 * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
47 * If there is no such matching pair then size is returned.
48 */
49int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
50
51#endif /* AVCODEC_INTERNAL_H */
52