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4349 | Serge | 1 | /* |
2 | * Video Acceleration API (video decoding) |
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3 | * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1 |
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4 | * |
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5 | * Copyright (C) 2008-2009 Splitted-Desktop Systems |
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6 | * |
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7 | * This file is part of FFmpeg. |
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8 | * |
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9 | * FFmpeg is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU Lesser General Public |
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11 | * License as published by the Free Software Foundation; either |
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12 | * version 2.1 of the License, or (at your option) any later version. |
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13 | * |
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14 | * FFmpeg is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * Lesser General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU Lesser General Public |
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20 | * License along with FFmpeg; if not, write to the Free Software |
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21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |||
24 | #include "h264.h" |
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25 | #include "vaapi_internal.h" |
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26 | |||
27 | /** |
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28 | * @addtogroup VAAPI_Decoding |
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29 | * |
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30 | * @{ |
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31 | */ |
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32 | |||
5601 | serge | 33 | #define ENTER() printf("enter %s\n",__FUNCTION__) |
34 | #define LEAVE() printf("leave %s\n",__FUNCTION__) |
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35 | #define FAIL() printf("fail %s\n",__FUNCTION__) |
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36 | |||
37 | |||
4349 | Serge | 38 | static void destroy_buffers(VADisplay display, VABufferID *buffers, unsigned int n_buffers) |
39 | { |
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40 | unsigned int i; |
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41 | for (i = 0; i < n_buffers; i++) { |
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42 | if (buffers[i]) { |
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43 | vaDestroyBuffer(display, buffers[i]); |
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44 | buffers[i] = 0; |
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45 | } |
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46 | } |
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47 | } |
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48 | |||
49 | int ff_vaapi_render_picture(struct vaapi_context *vactx, VASurfaceID surface) |
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50 | { |
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51 | VABufferID va_buffers[3]; |
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52 | unsigned int n_va_buffers = 0; |
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53 | |||
54 | if (!vactx->pic_param_buf_id) |
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55 | return 0; |
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56 | |||
57 | vaUnmapBuffer(vactx->display, vactx->pic_param_buf_id); |
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58 | va_buffers[n_va_buffers++] = vactx->pic_param_buf_id; |
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59 | |||
60 | if (vactx->iq_matrix_buf_id) { |
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61 | vaUnmapBuffer(vactx->display, vactx->iq_matrix_buf_id); |
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62 | va_buffers[n_va_buffers++] = vactx->iq_matrix_buf_id; |
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63 | } |
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64 | |||
65 | if (vactx->bitplane_buf_id) { |
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66 | vaUnmapBuffer(vactx->display, vactx->bitplane_buf_id); |
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67 | va_buffers[n_va_buffers++] = vactx->bitplane_buf_id; |
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68 | } |
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69 | |||
70 | if (vaBeginPicture(vactx->display, vactx->context_id, |
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71 | surface) != VA_STATUS_SUCCESS) |
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72 | return -1; |
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73 | |||
74 | if (vaRenderPicture(vactx->display, vactx->context_id, |
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75 | va_buffers, n_va_buffers) != VA_STATUS_SUCCESS) |
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76 | return -1; |
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77 | |||
78 | if (vaRenderPicture(vactx->display, vactx->context_id, |
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79 | vactx->slice_buf_ids, |
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80 | vactx->n_slice_buf_ids) != VA_STATUS_SUCCESS) |
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81 | return -1; |
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82 | |||
83 | if (vaEndPicture(vactx->display, vactx->context_id) != VA_STATUS_SUCCESS) |
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84 | return -1; |
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85 | |||
86 | return 0; |
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87 | } |
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88 | |||
89 | int ff_vaapi_commit_slices(struct vaapi_context *vactx) |
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90 | { |
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91 | VABufferID *slice_buf_ids; |
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92 | VABufferID slice_param_buf_id, slice_data_buf_id; |
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93 | |||
94 | if (vactx->slice_count == 0) |
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95 | return 0; |
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96 | |||
97 | slice_buf_ids = |
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98 | av_fast_realloc(vactx->slice_buf_ids, |
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99 | &vactx->slice_buf_ids_alloc, |
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100 | (vactx->n_slice_buf_ids + 2) * sizeof(slice_buf_ids[0])); |
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101 | if (!slice_buf_ids) |
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102 | return -1; |
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103 | vactx->slice_buf_ids = slice_buf_ids; |
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104 | |||
105 | slice_param_buf_id = 0; |
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106 | if (vaCreateBuffer(vactx->display, vactx->context_id, |
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107 | VASliceParameterBufferType, |
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108 | vactx->slice_param_size, |
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109 | vactx->slice_count, vactx->slice_params, |
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110 | &slice_param_buf_id) != VA_STATUS_SUCCESS) |
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111 | return -1; |
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112 | vactx->slice_count = 0; |
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113 | |||
114 | slice_data_buf_id = 0; |
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115 | if (vaCreateBuffer(vactx->display, vactx->context_id, |
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116 | VASliceDataBufferType, |
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117 | vactx->slice_data_size, |
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118 | 1, (void *)vactx->slice_data, |
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119 | &slice_data_buf_id) != VA_STATUS_SUCCESS) |
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120 | return -1; |
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121 | vactx->slice_data = NULL; |
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122 | vactx->slice_data_size = 0; |
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123 | |||
124 | slice_buf_ids[vactx->n_slice_buf_ids++] = slice_param_buf_id; |
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125 | slice_buf_ids[vactx->n_slice_buf_ids++] = slice_data_buf_id; |
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126 | return 0; |
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127 | } |
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128 | |||
129 | static void *alloc_buffer(struct vaapi_context *vactx, int type, unsigned int size, uint32_t *buf_id) |
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130 | { |
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131 | void *data = NULL; |
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132 | |||
133 | *buf_id = 0; |
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134 | if (vaCreateBuffer(vactx->display, vactx->context_id, |
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135 | type, size, 1, NULL, buf_id) == VA_STATUS_SUCCESS) |
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136 | vaMapBuffer(vactx->display, *buf_id, &data); |
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137 | |||
138 | return data; |
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139 | } |
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140 | |||
141 | void *ff_vaapi_alloc_pic_param(struct vaapi_context *vactx, unsigned int size) |
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142 | { |
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143 | return alloc_buffer(vactx, VAPictureParameterBufferType, size, &vactx->pic_param_buf_id); |
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144 | } |
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145 | |||
146 | void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size) |
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147 | { |
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148 | return alloc_buffer(vactx, VAIQMatrixBufferType, size, &vactx->iq_matrix_buf_id); |
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149 | } |
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150 | |||
151 | uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size) |
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152 | { |
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153 | return alloc_buffer(vactx, VABitPlaneBufferType, size, &vactx->bitplane_buf_id); |
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154 | } |
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155 | |||
156 | VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size) |
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157 | { |
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158 | uint8_t *slice_params; |
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159 | VASliceParameterBufferBase *slice_param; |
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5601 | serge | 160 | ENTER(); |
4349 | Serge | 161 | if (!vactx->slice_data) |
162 | vactx->slice_data = buffer; |
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163 | if (vactx->slice_data + vactx->slice_data_size != buffer) { |
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164 | if (ff_vaapi_commit_slices(vactx) < 0) |
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165 | return NULL; |
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166 | vactx->slice_data = buffer; |
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167 | } |
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168 | |||
169 | slice_params = |
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170 | av_fast_realloc(vactx->slice_params, |
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171 | &vactx->slice_params_alloc, |
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172 | (vactx->slice_count + 1) * vactx->slice_param_size); |
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173 | if (!slice_params) |
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174 | return NULL; |
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175 | vactx->slice_params = slice_params; |
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176 | |||
177 | slice_param = (VASliceParameterBufferBase *)(slice_params + vactx->slice_count * vactx->slice_param_size); |
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178 | slice_param->slice_data_size = size; |
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179 | slice_param->slice_data_offset = vactx->slice_data_size; |
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180 | slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL; |
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181 | |||
182 | vactx->slice_count++; |
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183 | vactx->slice_data_size += size; |
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5601 | serge | 184 | LEAVE(); |
4349 | Serge | 185 | return slice_param; |
186 | } |
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187 | |||
188 | void ff_vaapi_common_end_frame(AVCodecContext *avctx) |
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189 | { |
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190 | struct vaapi_context * const vactx = avctx->hwaccel_context; |
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191 | |||
192 | av_dlog(avctx, "ff_vaapi_common_end_frame()\n"); |
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193 | |||
194 | destroy_buffers(vactx->display, &vactx->pic_param_buf_id, 1); |
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195 | destroy_buffers(vactx->display, &vactx->iq_matrix_buf_id, 1); |
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196 | destroy_buffers(vactx->display, &vactx->bitplane_buf_id, 1); |
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197 | destroy_buffers(vactx->display, vactx->slice_buf_ids, vactx->n_slice_buf_ids); |
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198 | av_freep(&vactx->slice_buf_ids); |
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199 | av_freep(&vactx->slice_params); |
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200 | vactx->n_slice_buf_ids = 0; |
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201 | vactx->slice_buf_ids_alloc = 0; |
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202 | vactx->slice_count = 0; |
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203 | vactx->slice_params_alloc = 0; |
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204 | } |
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205 | |||
206 | /* @} */>> |