/*
  * 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 libavcodec/internal.h

  * common internal api header.
  */
 
 #ifndef AVCODEC_INTERNAL_H
 #define AVCODEC_INTERNAL_H
 

 #include <stdint.h>
 #include "avcodec.h"
 

 /**
  * Logs a generic warning message about a missing feature.
  * @param[in] avc a pointer to an arbitrary struct of which the first field is
  * a pointer to an AVClass struct
  * @param[in] feature string containing the name of the missing feature
  * @param[in] want_sample indicates if samples are wanted which exhibit this feature.
  * If \p want_sample is non-zero, additional verbage will be added to the log
  * message which tells the user how to report samples to the development
  * mailing list.
  */
 void ff_log_missing_feature(void *avc, const char *feature, int want_sample);
 

 /**
  * Logs a generic warning message asking for a sample.
  * @param[in] avc a pointer to an arbitrary struct of which the first field is
  * a pointer to an AVClass struct
  * @param[in] msg string containing an optional message, or NULL if no message
  */
 void ff_log_ask_for_sample(void *avc, const char *msg);
 

 /**

  * Determines whether \p pix_fmt is a hardware accelerated format.
  */
 int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
 
 /**

  * Returns the hardware accelerated codec for codec \p codec_id and
  * pixel format \p 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);
 

 #endif /* AVCODEC_INTERNAL_H */