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ffmpeg / libavcodec / internal.h @ 2912e87a

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/*
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * Libav is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file
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 * common internal api header.
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 */
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#ifndef AVCODEC_INTERNAL_H
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#define AVCODEC_INTERNAL_H
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#include <stdint.h>
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#include "avcodec.h"
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/**
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 * Determine whether pix_fmt is a hardware accelerated format.
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 */
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int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
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/**
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 * Return the hardware accelerated codec for codec codec_id and
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 * pixel format pix_fmt.
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 *
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 * @param codec_id the codec to match
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 * @param pix_fmt the pixel format to match
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 * @return the hardware accelerated codec, or NULL if none was found.
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 */
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AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
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/**
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 * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
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 * If there is no such matching pair then size is returned.
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 */
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int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
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unsigned int ff_toupper4(unsigned int x);
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#endif /* AVCODEC_INTERNAL_H */