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ffmpeg-4.2.2/libavcodec/pthread_internal.h 1.25 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * 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
   */
  
  #ifndef AVCODEC_PTHREAD_INTERNAL_H
  #define AVCODEC_PTHREAD_INTERNAL_H
  
  #include "avcodec.h"
  
  /* H.264 slice threading seems to be buggy with more than 16 threads,
   * limit the number of threads to 16 for automatic detection */
  #define MAX_AUTO_THREADS 16
  
  int ff_slice_thread_init(AVCodecContext *avctx);
  void ff_slice_thread_free(AVCodecContext *avctx);
  
  int ff_frame_thread_init(AVCodecContext *avctx);
  void ff_frame_thread_free(AVCodecContext *avctx, int thread_count);
  
  #endif // AVCODEC_PTHREAD_INTERNAL_H