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4349 | Serge | 1 | /* |
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 FFmpeg. |
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7 | * |
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8 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; 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 | |||
23 | #ifndef AVCODEC_DXVA_H |
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24 | #define AVCODEC_DXVA_H |
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25 | |||
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 | |||
32 | #if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600 |
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33 | #undef _WIN32_WINNT |
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34 | #endif |
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35 | |||
36 | #if !defined(_WIN32_WINNT) |
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37 | #define _WIN32_WINNT 0x0600 |
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38 | #endif |
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39 | |||
40 | #include |
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41 | #include |
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42 | #include |
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43 | |||
44 | /** |
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45 | * @defgroup lavc_codec_hwaccel_dxva2 DXVA2 |
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46 | * @ingroup lavc_codec_hwaccel |
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47 | * |
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48 | * @{ |
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49 | */ |
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50 | |||
51 | #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards |
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52 | |||
53 | /** |
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54 | * This structure is used to provides the necessary configurations and data |
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55 | * to the DXVA2 FFmpeg HWAccel implementation. |
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56 | * |
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57 | * The application must make it available as AVCodecContext.hwaccel_context. |
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58 | */ |
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59 | struct dxva_context { |
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60 | /** |
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61 | * DXVA2 decoder object |
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62 | */ |
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63 | IDirectXVideoDecoder *decoder; |
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64 | |||
65 | /** |
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66 | * DXVA2 configuration used to create the decoder |
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67 | */ |
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68 | const DXVA2_ConfigPictureDecode *cfg; |
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69 | |||
70 | /** |
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71 | * The number of surface in the surface array |
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72 | */ |
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73 | unsigned surface_count; |
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74 | |||
75 | /** |
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76 | * The array of Direct3D surfaces used to create the decoder |
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77 | */ |
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78 | LPDIRECT3DSURFACE9 *surface; |
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79 | |||
80 | /** |
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81 | * A bit field configuring the workarounds needed for using the decoder |
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82 | */ |
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83 | uint64_t workaround; |
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84 | |||
85 | /** |
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86 | * Private to the FFmpeg AVHWAccel implementation |
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87 | */ |
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88 | unsigned report_id; |
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89 | }; |
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90 | |||
91 | /** |
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92 | * @} |
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93 | */ |
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94 | |||
95 | #endif /* AVCODEC_DXVA_H */>> |