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dxva2.h 2.3KB

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  1. /*
  2. * DXVA2 HW acceleration
  3. *
  4. * copyright (c) 2009 Laurent Aimar
  5. *
  6. * This file is part of FFmpeg.
  7. *
  8. * FFmpeg is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU Lesser General Public
  10. * License as published by the Free Software Foundation; either
  11. * version 2.1 of the License, or (at your option) any later version.
  12. *
  13. * FFmpeg is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16. * Lesser General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU Lesser General Public
  19. * License along with FFmpeg; if not, write to the Free Software
  20. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21. */
  22. #ifndef AVCODEC_DXVA_H
  23. #define AVCODEC_DXVA_H
  24. /**
  25. * @file
  26. * @ingroup lavc_codec_hwaccel_dxva2
  27. * Public libavcodec DXVA2 header.
  28. */
  29. #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600
  30. #undef _WIN32_WINNT
  31. #define _WIN32_WINNT 0x0600
  32. #endif
  33. #include <stdint.h>
  34. #include <d3d9.h>
  35. #include <dxva2api.h>
  36. /**
  37. * @defgroup lavc_codec_hwaccel_dxva2 DXVA2
  38. * @ingroup lavc_codec_hwaccel
  39. *
  40. * @{
  41. */
  42. #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
  43. #define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for DXVA2 and old Intel GPUs with ClearVideo interface
  44. /**
  45. * This structure is used to provides the necessary configurations and data
  46. * to the DXVA2 FFmpeg HWAccel implementation.
  47. *
  48. * The application must make it available as AVCodecContext.hwaccel_context.
  49. */
  50. struct dxva_context {
  51. /**
  52. * DXVA2 decoder object
  53. */
  54. IDirectXVideoDecoder *decoder;
  55. /**
  56. * DXVA2 configuration used to create the decoder
  57. */
  58. const DXVA2_ConfigPictureDecode *cfg;
  59. /**
  60. * The number of surface in the surface array
  61. */
  62. unsigned surface_count;
  63. /**
  64. * The array of Direct3D surfaces used to create the decoder
  65. */
  66. LPDIRECT3DSURFACE9 *surface;
  67. /**
  68. * A bit field configuring the workarounds needed for using the decoder
  69. */
  70. uint64_t workaround;
  71. /**
  72. * Private to the FFmpeg AVHWAccel implementation
  73. */
  74. unsigned report_id;
  75. };
  76. /**
  77. * @}
  78. */
  79. #endif /* AVCODEC_DXVA_H */