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ffmpeg-4.2.2/libavutil/hwcontext_qsv.h 1.52 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 AVUTIL_HWCONTEXT_QSV_H
  #define AVUTIL_HWCONTEXT_QSV_H
  
  #include <mfx/mfxvideo.h>
  
  /**
   * @file
   * An API-specific header for AV_HWDEVICE_TYPE_QSV.
   *
   * This API does not support dynamic frame pools. AVHWFramesContext.pool must
   * contain AVBufferRefs whose data pointer points to an mfxFrameSurface1 struct.
   */
  
  /**
   * This struct is allocated as AVHWDeviceContext.hwctx
   */
  typedef struct AVQSVDeviceContext {
      mfxSession session;
  } AVQSVDeviceContext;
  
  /**
   * This struct is allocated as AVHWFramesContext.hwctx
   */
  typedef struct AVQSVFramesContext {
      mfxFrameSurface1 *surfaces;
      int            nb_surfaces;
  
      /**
       * A combination of MFX_MEMTYPE_* describing the frame pool.
       */
      int frame_type;
  } AVQSVFramesContext;
  
  #endif /* AVUTIL_HWCONTEXT_QSV_H */