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  1. /*
  2.  * Intel MediaSDK QSV encoder/decoder shared code
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifndef AVCODEC_QSV_INTERNAL_H
  22. #define AVCODEC_QSV_INTERNAL_H
  23.  
  24. #if CONFIG_VAAPI
  25. #define AVCODEC_QSV_LINUX_SESSION_HANDLE
  26. #endif //CONFIG_VAAPI
  27.  
  28. #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
  29. #include <stdio.h>
  30. #include <string.h>
  31. #if HAVE_UNISTD_H
  32. #include <unistd.h>
  33. #endif
  34. #include <fcntl.h>
  35. #include <va/va.h>
  36. #include <va/va_drm.h>
  37. #endif
  38.  
  39. #include <mfx/mfxvideo.h>
  40.  
  41. #include "libavutil/frame.h"
  42.  
  43. #define QSV_VERSION_MAJOR 1
  44. #define QSV_VERSION_MINOR 9
  45.  
  46. #define ASYNC_DEPTH_DEFAULT 4       // internal parallelism
  47.  
  48. #define QSV_VERSION_ATLEAST(MAJOR, MINOR)   \
  49.     (MFX_VERSION_MAJOR > (MAJOR) ||         \
  50.      MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
  51.  
  52. typedef struct QSVFrame {
  53.     AVFrame *frame;
  54.     mfxFrameSurface1 *surface;
  55.  
  56.     mfxFrameSurface1 surface_internal;
  57.  
  58.     int queued;
  59.  
  60.     struct QSVFrame *next;
  61. } QSVFrame;
  62.  
  63. typedef struct QSVSession {
  64.     mfxSession session;
  65. #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
  66.     int        fd_display;
  67.     VADisplay  va_display;
  68. #endif
  69. } QSVSession;
  70.  
  71. /**
  72.  * Convert a libmfx error code into a ffmpeg error code.
  73.  */
  74. int ff_qsv_error(int mfx_err);
  75.  
  76. int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
  77.  
  78. int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
  79.                                  const char *load_plugins);
  80. int ff_qsv_close_internal_session(QSVSession *qs);
  81.  
  82. #endif /* AVCODEC_QSV_INTERNAL_H */
  83.