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Rev | Author | Line No. | Line |
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4349 | Serge | 1 | /* |
2 | * DXVA2 HW acceleration. |
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3 | * |
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4 | * copyright (c) 2010 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 | #include "dxva2_internal.h" |
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24 | |||
25 | void *ff_dxva2_get_surface(const Picture *picture) |
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26 | { |
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27 | return picture->f.data[3]; |
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28 | } |
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29 | |||
30 | unsigned ff_dxva2_get_surface_index(const struct dxva_context *ctx, |
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31 | const Picture *picture) |
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32 | { |
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33 | void *surface = ff_dxva2_get_surface(picture); |
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34 | unsigned i; |
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35 | |||
36 | for (i = 0; i < ctx->surface_count; i++) |
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37 | if (ctx->surface[i] == surface) |
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38 | return i; |
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39 | |||
40 | assert(0); |
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41 | return 0; |
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42 | } |
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43 | |||
44 | int ff_dxva2_commit_buffer(AVCodecContext *avctx, |
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45 | struct dxva_context *ctx, |
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46 | DXVA2_DecodeBufferDesc *dsc, |
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47 | unsigned type, const void *data, unsigned size, |
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48 | unsigned mb_count) |
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49 | { |
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50 | void *dxva_data; |
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51 | unsigned dxva_size; |
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52 | int result; |
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53 | |||
54 | if (FAILED(IDirectXVideoDecoder_GetBuffer(ctx->decoder, type, |
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55 | &dxva_data, &dxva_size))) { |
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56 | av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %d\n", type); |
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57 | return -1; |
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58 | } |
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59 | if (size <= dxva_size) { |
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60 | memcpy(dxva_data, data, size); |
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61 | |||
62 | memset(dsc, 0, sizeof(*dsc)); |
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63 | dsc->CompressedBufferType = type; |
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64 | dsc->DataSize = size; |
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65 | dsc->NumMBsInBuffer = mb_count; |
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66 | |||
67 | result = 0; |
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68 | } else { |
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69 | av_log(avctx, AV_LOG_ERROR, "Buffer for type %d was too small\n", type); |
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70 | result = -1; |
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71 | } |
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72 | if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(ctx->decoder, type))) { |
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73 | av_log(avctx, AV_LOG_ERROR, "Failed to release buffer type %d\n", type); |
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74 | result = -1; |
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75 | } |
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76 | return result; |
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77 | } |
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78 | |||
79 | int ff_dxva2_common_end_frame(AVCodecContext *avctx, Picture *pic, |
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80 | const void *pp, unsigned pp_size, |
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81 | const void *qm, unsigned qm_size, |
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82 | int (*commit_bs_si)(AVCodecContext *, |
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83 | DXVA2_DecodeBufferDesc *bs, |
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84 | DXVA2_DecodeBufferDesc *slice)) |
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85 | { |
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86 | struct dxva_context *ctx = avctx->hwaccel_context; |
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87 | unsigned buffer_count = 0; |
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88 | DXVA2_DecodeBufferDesc buffer[4]; |
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89 | DXVA2_DecodeExecuteParams exec = { 0 }; |
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90 | int result; |
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91 | |||
92 | if (FAILED(IDirectXVideoDecoder_BeginFrame(ctx->decoder, |
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93 | ff_dxva2_get_surface(pic), |
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94 | NULL))) { |
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95 | av_log(avctx, AV_LOG_ERROR, "Failed to begin frame\n"); |
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96 | return -1; |
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97 | } |
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98 | |||
99 | result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count], |
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100 | DXVA2_PictureParametersBufferType, |
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101 | pp, pp_size, 0); |
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102 | if (result) { |
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103 | av_log(avctx, AV_LOG_ERROR, |
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104 | "Failed to add picture parameter buffer\n"); |
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105 | goto end; |
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106 | } |
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107 | buffer_count++; |
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108 | |||
109 | if (qm_size > 0) { |
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110 | result = ff_dxva2_commit_buffer(avctx, ctx, &buffer[buffer_count], |
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111 | DXVA2_InverseQuantizationMatrixBufferType, |
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112 | qm, qm_size, 0); |
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113 | if (result) { |
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114 | av_log(avctx, AV_LOG_ERROR, |
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115 | "Failed to add inverse quantization matrix buffer\n"); |
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116 | goto end; |
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117 | } |
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118 | buffer_count++; |
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119 | } |
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120 | |||
121 | result = commit_bs_si(avctx, |
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122 | &buffer[buffer_count + 0], |
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123 | &buffer[buffer_count + 1]); |
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124 | if (result) { |
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125 | av_log(avctx, AV_LOG_ERROR, |
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126 | "Failed to add bitstream or slice control buffer\n"); |
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127 | goto end; |
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128 | } |
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129 | buffer_count += 2; |
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130 | |||
131 | /* TODO Film Grain when possible */ |
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132 | |||
133 | assert(buffer_count == 1 + (qm_size > 0) + 2); |
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134 | |||
135 | exec.NumCompBuffers = buffer_count; |
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136 | exec.pCompressedBuffers = buffer; |
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137 | exec.pExtensionData = NULL; |
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138 | if (FAILED(IDirectXVideoDecoder_Execute(ctx->decoder, &exec))) { |
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139 | av_log(avctx, AV_LOG_ERROR, "Failed to execute\n"); |
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140 | result = -1; |
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141 | } |
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142 | |||
143 | end: |
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144 | if (FAILED(IDirectXVideoDecoder_EndFrame(ctx->decoder, NULL))) { |
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145 | av_log(avctx, AV_LOG_ERROR, "Failed to end frame\n"); |
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146 | result = -1; |
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147 | } |
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148 | |||
149 | return result; |
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150 | }=>> |