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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 libavcodec/internal.h
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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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* Logs a generic warning message about a missing feature.
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* @param[in] avc a pointer to an arbitrary struct of which the first field is
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* a pointer to an AVClass struct
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* @param[in] feature string containing the name of the missing feature
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* @param[in] want_sample indicates if samples are wanted which exhibit this feature.
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* If \p want_sample is non-zero, additional verbage will be added to the log
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* message which tells the user how to report samples to the development
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* mailing list.
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*/
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void ff_log_missing_feature(void *avc, const char *feature, int want_sample);
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/**
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* Logs a generic warning message asking for a sample.
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* @param[in] avc a pointer to an arbitrary struct of which the first field is
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* a pointer to an AVClass struct
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* @param[in] msg string containing an optional message, or NULL if no message
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*/
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void ff_log_ask_for_sample(void *avc, const char *msg);
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/**
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* Determines whether \p 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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* Returns the hardware accelerated codec for codec \p codec_id and
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* pixel format \p 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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#endif /* AVCODEC_INTERNAL_H */
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