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