d3d11va.h 2.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112
  1. /*
  2. * Direct3D11 HW acceleration
  3. *
  4. * copyright (c) 2009 Laurent Aimar
  5. * copyright (c) 2015 Steve Lhomme
  6. *
  7. * This file is part of FFmpeg.
  8. *
  9. * FFmpeg is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU Lesser General Public
  11. * License as published by the Free Software Foundation; either
  12. * version 2.1 of the License, or (at your option) any later version.
  13. *
  14. * FFmpeg is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17. * Lesser General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU Lesser General Public
  20. * License along with FFmpeg; if not, write to the Free Software
  21. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22. */
  23. #ifndef AVCODEC_D3D11VA_H
  24. #define AVCODEC_D3D11VA_H
  25. /**
  26. * @file
  27. * @ingroup lavc_codec_hwaccel_d3d11va
  28. * Public libavcodec D3D11VA header.
  29. */
  30. #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
  31. #undef _WIN32_WINNT
  32. #define _WIN32_WINNT 0x0602
  33. #endif
  34. #include <stdint.h>
  35. #include <d3d11.h>
  36. /**
  37. * @defgroup lavc_codec_hwaccel_d3d11va Direct3D11
  38. * @ingroup lavc_codec_hwaccel
  39. *
  40. * @{
  41. */
  42. #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for Direct3D11 and old UVD/UVD+ ATI video cards
  43. #define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for Direct3D11 and old Intel GPUs with ClearVideo interface
  44. /**
  45. * This structure is used to provides the necessary configurations and data
  46. * to the Direct3D11 FFmpeg HWAccel implementation.
  47. *
  48. * The application must make it available as AVCodecContext.hwaccel_context.
  49. *
  50. * Use av_d3d11va_alloc_context() exclusively to allocate an AVD3D11VAContext.
  51. */
  52. typedef struct AVD3D11VAContext {
  53. /**
  54. * D3D11 decoder object
  55. */
  56. ID3D11VideoDecoder *decoder;
  57. /**
  58. * D3D11 VideoContext
  59. */
  60. ID3D11VideoContext *video_context;
  61. /**
  62. * D3D11 configuration used to create the decoder
  63. */
  64. D3D11_VIDEO_DECODER_CONFIG *cfg;
  65. /**
  66. * The number of surface in the surface array
  67. */
  68. unsigned surface_count;
  69. /**
  70. * The array of Direct3D surfaces used to create the decoder
  71. */
  72. ID3D11VideoDecoderOutputView **surface;
  73. /**
  74. * A bit field configuring the workarounds needed for using the decoder
  75. */
  76. uint64_t workaround;
  77. /**
  78. * Private to the FFmpeg AVHWAccel implementation
  79. */
  80. unsigned report_id;
  81. /**
  82. * Mutex to access video_context
  83. */
  84. HANDLE context_mutex;
  85. } AVD3D11VAContext;
  86. /**
  87. * Allocate an AVD3D11VAContext.
  88. *
  89. * @return Newly-allocated AVD3D11VAContext or NULL on failure.
  90. */
  91. AVD3D11VAContext *av_d3d11va_alloc_context(void);
  92. /**
  93. * @}
  94. */
  95. #endif /* AVCODEC_D3D11VA_H */