1 /* |
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2 * DXVA2 HW acceleration |
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3 * |
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4 * copyright (c) 2009 Laurent Aimar |
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5 * |
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6 * This file is part of Libav. |
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7 * |
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8 * Libav is free software; you can redistribute it and/or |
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9 * modify it under the terms of the GNU Lesser General Public |
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10 * License as published by the Free Software Foundation; either |
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11 * version 2.1 of the License, or (at your option) any later version. |
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12 * |
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13 * Libav is distributed in the hope that it will be useful, |
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with Libav; if not, write to the Free Software |
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20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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21 */ |
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22 |
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23 #ifndef AVCODEC_DXVA_H |
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24 #define AVCODEC_DXVA_H |
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25 |
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26 /** |
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27 * @file |
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28 * @ingroup lavc_codec_hwaccel_dxva2 |
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29 * Public libavcodec DXVA2 header. |
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30 */ |
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31 |
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32 #include <stdint.h> |
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33 |
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34 #include <d3d9.h> |
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35 #include <dxva2api.h> |
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36 |
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37 /** |
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38 * @defgroup lavc_codec_hwaccel_dxva2 DXVA2 |
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39 * @ingroup lavc_codec_hwaccel |
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40 * |
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41 * @{ |
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42 */ |
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43 |
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44 #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards |
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45 |
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46 /** |
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47 * This structure is used to provides the necessary configurations and data |
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48 * to the DXVA2 Libav HWAccel implementation. |
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49 * |
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50 * The application must make it available as AVCodecContext.hwaccel_context. |
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51 */ |
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52 struct dxva_context { |
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53 /** |
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54 * DXVA2 decoder object |
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55 */ |
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56 IDirectXVideoDecoder *decoder; |
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57 |
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58 /** |
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59 * DXVA2 configuration used to create the decoder |
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60 */ |
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61 const DXVA2_ConfigPictureDecode *cfg; |
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62 |
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63 /** |
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64 * The number of surface in the surface array |
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65 */ |
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66 unsigned surface_count; |
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67 |
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68 /** |
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69 * The array of Direct3D surfaces used to create the decoder |
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70 */ |
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71 LPDIRECT3DSURFACE9 *surface; |
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72 |
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73 /** |
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74 * A bit field configuring the workarounds needed for using the decoder |
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75 */ |
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76 uint64_t workaround; |
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77 |
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78 /** |
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79 * Private to the Libav AVHWAccel implementation |
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80 */ |
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81 unsigned report_id; |
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82 }; |
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83 |
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84 /** |
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85 * @} |
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86 */ |
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87 |
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88 #endif /* AVCODEC_DXVA_H */ |
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