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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/common/gpu/media/vaapi_jpeg_decoder.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <string.h> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "base/macros.h" | |
| 12 #include "media/filters/jpeg_parser.h" | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 // K.3.3.1 "Specification of typical tables for DC difference coding" | |
| 17 media::JpegHuffmanTable | |
| 18 kDefaultDcTable[media::kJpegMaxHuffmanTableNumBaseline] = { | |
| 19 // luminance DC coefficients | |
| 20 { | |
| 21 true, | |
| 22 {0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0}, | |
| 23 {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b}, | |
| 24 }, | |
| 25 // chrominance DC coefficients | |
| 26 { | |
| 27 true, | |
| 28 {0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0}, | |
| 29 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb}, | |
| 30 }, | |
| 31 }; | |
| 32 | |
| 33 // K.3.3.2 "Specification of typical tables for AC coefficient coding" | |
| 34 media::JpegHuffmanTable | |
| 35 kDefaultAcTable[media::kJpegMaxHuffmanTableNumBaseline] = { | |
| 36 // luminance AC coefficients | |
| 37 { | |
| 38 true, | |
| 39 {0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d}, | |
| 40 {0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, | |
| 41 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, | |
| 42 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, | |
| 43 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, | |
| 44 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, | |
| 45 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, | |
| 46 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, | |
| 47 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, | |
| 48 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, | |
| 49 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, | |
| 50 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, | |
| 51 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, | |
| 52 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, | |
| 53 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, | |
| 54 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, | |
| 55 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, | |
| 56 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, | |
| 57 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, | |
| 58 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, | |
| 59 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, | |
| 60 0xf9, 0xfa}, | |
| 61 }, | |
| 62 // chrominance AC coefficients | |
| 63 { | |
| 64 true, | |
| 65 {0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77}, | |
| 66 {0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, | |
| 67 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, | |
| 68 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, | |
| 69 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, | |
| 70 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, | |
| 71 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, | |
| 72 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, | |
| 73 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, | |
| 74 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, | |
| 75 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, | |
| 76 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, | |
| 77 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, | |
| 78 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, | |
| 79 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, | |
| 80 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, | |
| 81 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, | |
| 82 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, | |
| 83 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, | |
| 84 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, | |
| 85 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, | |
| 86 0xf9, 0xfa}, | |
| 87 }, | |
| 88 }; | |
| 89 | |
| 90 } // namespace | |
| 91 | |
| 92 namespace content { | |
| 93 | |
| 94 // VAAPI only support subset of JPEG profiles. This function determines a given | |
| 95 // parsed JPEG result is supported or not. | |
| 96 static bool IsVaapiSupportedJpeg(const media::JpegParseResult& jpeg) { | |
| 97 if (jpeg.frame_header.visible_width < 1 || | |
| 98 jpeg.frame_header.visible_height < 1) { | |
| 99 DLOG(ERROR) << "width(" << jpeg.frame_header.visible_width | |
| 100 << ") and height(" << jpeg.frame_header.visible_height | |
| 101 << ") should be at least 1"; | |
| 102 return false; | |
| 103 } | |
| 104 | |
| 105 // Size 64k*64k is the maximum in the JPEG standard. VAAPI doesn't support | |
| 106 // resolutions larger than 16k*16k. | |
| 107 const int kMaxDimension = 16384; | |
| 108 if (jpeg.frame_header.coded_width > kMaxDimension || | |
| 109 jpeg.frame_header.coded_height > kMaxDimension) { | |
| 110 DLOG(ERROR) << "VAAPI doesn't support size(" | |
| 111 << jpeg.frame_header.coded_width << "*" | |
| 112 << jpeg.frame_header.coded_height << ") larger than " | |
| 113 << kMaxDimension << "*" << kMaxDimension; | |
| 114 return false; | |
| 115 } | |
| 116 | |
| 117 if (jpeg.frame_header.num_components != 3) { | |
| 118 DLOG(ERROR) << "VAAPI doesn't support num_components(" | |
| 119 << static_cast<int>(jpeg.frame_header.num_components) | |
| 120 << ") != 3"; | |
| 121 return false; | |
| 122 } | |
| 123 | |
| 124 if (jpeg.frame_header.components[0].horizontal_sampling_factor < | |
| 125 jpeg.frame_header.components[1].horizontal_sampling_factor || | |
| 126 jpeg.frame_header.components[0].horizontal_sampling_factor < | |
| 127 jpeg.frame_header.components[2].horizontal_sampling_factor) { | |
| 128 DLOG(ERROR) << "VAAPI doesn't supports horizontal sampling factor of Y" | |
| 129 << " smaller than Cb and Cr"; | |
| 130 return false; | |
| 131 } | |
| 132 | |
| 133 if (jpeg.frame_header.components[0].vertical_sampling_factor < | |
| 134 jpeg.frame_header.components[1].vertical_sampling_factor || | |
| 135 jpeg.frame_header.components[0].vertical_sampling_factor < | |
| 136 jpeg.frame_header.components[2].vertical_sampling_factor) { | |
| 137 DLOG(ERROR) << "VAAPI doesn't supports vertical sampling factor of Y" | |
| 138 << " smaller than Cb and Cr"; | |
| 139 return false; | |
| 140 } | |
| 141 | |
| 142 return true; | |
| 143 } | |
| 144 | |
| 145 static void FillPictureParameters( | |
| 146 const media::JpegFrameHeader& frame_header, | |
| 147 VAPictureParameterBufferJPEGBaseline* pic_param) { | |
| 148 memset(pic_param, 0, sizeof(*pic_param)); | |
| 149 pic_param->picture_width = frame_header.coded_width; | |
| 150 pic_param->picture_height = frame_header.coded_height; | |
| 151 pic_param->num_components = frame_header.num_components; | |
| 152 | |
| 153 for (int i = 0; i < pic_param->num_components; i++) { | |
| 154 pic_param->components[i].component_id = frame_header.components[i].id; | |
| 155 pic_param->components[i].h_sampling_factor = | |
| 156 frame_header.components[i].horizontal_sampling_factor; | |
| 157 pic_param->components[i].v_sampling_factor = | |
| 158 frame_header.components[i].vertical_sampling_factor; | |
| 159 pic_param->components[i].quantiser_table_selector = | |
| 160 frame_header.components[i].quantization_table_selector; | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 static void FillIQMatrix(const media::JpegQuantizationTable* q_table, | |
| 165 VAIQMatrixBufferJPEGBaseline* iq_matrix) { | |
| 166 memset(iq_matrix, 0, sizeof(*iq_matrix)); | |
| 167 static_assert(media::kJpegMaxQuantizationTableNum == | |
| 168 arraysize(iq_matrix->load_quantiser_table), | |
| 169 "max number of quantization table mismatched"); | |
| 170 for (size_t i = 0; i < media::kJpegMaxQuantizationTableNum; i++) { | |
| 171 if (!q_table[i].valid) | |
| 172 continue; | |
| 173 iq_matrix->load_quantiser_table[i] = 1; | |
| 174 static_assert( | |
| 175 arraysize(iq_matrix->quantiser_table[i]) == arraysize(q_table[i].value), | |
| 176 "number of quantization entries mismatched"); | |
| 177 for (size_t j = 0; j < arraysize(q_table[i].value); j++) | |
| 178 iq_matrix->quantiser_table[i][j] = q_table[i].value[j]; | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 static void FillHuffmanTable(const media::JpegHuffmanTable* dc_table, | |
| 183 const media::JpegHuffmanTable* ac_table, | |
| 184 VAHuffmanTableBufferJPEGBaseline* huffman_table) { | |
| 185 memset(huffman_table, 0, sizeof(*huffman_table)); | |
| 186 // Use default huffman tables if not specified in header. | |
| 187 bool has_huffman_table = false; | |
| 188 for (size_t i = 0; i < media::kJpegMaxHuffmanTableNumBaseline; i++) { | |
| 189 if (dc_table[i].valid || ac_table[i].valid) { | |
| 190 has_huffman_table = true; | |
| 191 break; | |
| 192 } | |
| 193 } | |
| 194 if (!has_huffman_table) { | |
| 195 dc_table = kDefaultDcTable; | |
| 196 ac_table = kDefaultAcTable; | |
| 197 } | |
| 198 | |
| 199 static_assert(media::kJpegMaxHuffmanTableNumBaseline == | |
| 200 arraysize(huffman_table->load_huffman_table), | |
| 201 "max number of huffman table mismatched"); | |
| 202 static_assert(sizeof(huffman_table->huffman_table[0].num_dc_codes) == | |
| 203 sizeof(dc_table[0].code_length), | |
| 204 "size of huffman table code length mismatch"); | |
| 205 static_assert(sizeof(huffman_table->huffman_table[0].dc_values[0]) == | |
| 206 sizeof(dc_table[0].code_value[0]), | |
| 207 "size of huffman table code value mismatch"); | |
| 208 for (size_t i = 0; i < media::kJpegMaxHuffmanTableNumBaseline; i++) { | |
| 209 if (!dc_table[i].valid || !ac_table[i].valid) | |
| 210 continue; | |
| 211 huffman_table->load_huffman_table[i] = 1; | |
| 212 | |
| 213 memcpy(huffman_table->huffman_table[i].num_dc_codes, | |
| 214 dc_table[i].code_length, | |
| 215 sizeof(huffman_table->huffman_table[i].num_dc_codes)); | |
| 216 memcpy(huffman_table->huffman_table[i].dc_values, dc_table[i].code_value, | |
| 217 sizeof(huffman_table->huffman_table[i].dc_values)); | |
| 218 memcpy(huffman_table->huffman_table[i].num_ac_codes, | |
| 219 ac_table[i].code_length, | |
| 220 sizeof(huffman_table->huffman_table[i].num_ac_codes)); | |
| 221 memcpy(huffman_table->huffman_table[i].ac_values, ac_table[i].code_value, | |
| 222 sizeof(huffman_table->huffman_table[i].ac_values)); | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 static void FillSliceParameters( | |
| 227 const media::JpegParseResult& parse_result, | |
| 228 VASliceParameterBufferJPEGBaseline* slice_param) { | |
| 229 memset(slice_param, 0, sizeof(*slice_param)); | |
| 230 slice_param->slice_data_size = parse_result.data_size; | |
| 231 slice_param->slice_data_offset = 0; | |
| 232 slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL; | |
| 233 slice_param->slice_horizontal_position = 0; | |
| 234 slice_param->slice_vertical_position = 0; | |
| 235 slice_param->num_components = parse_result.scan.num_components; | |
| 236 for (int i = 0; i < slice_param->num_components; i++) { | |
| 237 slice_param->components[i].component_selector = | |
| 238 parse_result.scan.components[i].component_selector; | |
| 239 slice_param->components[i].dc_table_selector = | |
| 240 parse_result.scan.components[i].dc_selector; | |
| 241 slice_param->components[i].ac_table_selector = | |
| 242 parse_result.scan.components[i].ac_selector; | |
| 243 } | |
| 244 slice_param->restart_interval = parse_result.restart_interval; | |
| 245 | |
| 246 // Cast to int to prevent overflow. | |
| 247 int max_h_factor = | |
| 248 parse_result.frame_header.components[0].horizontal_sampling_factor; | |
| 249 int max_v_factor = | |
| 250 parse_result.frame_header.components[0].vertical_sampling_factor; | |
| 251 int mcu_cols = parse_result.frame_header.coded_width / (max_h_factor * 8); | |
| 252 DCHECK_GT(mcu_cols, 0); | |
| 253 int mcu_rows = parse_result.frame_header.coded_height / (max_v_factor * 8); | |
| 254 DCHECK_GT(mcu_rows, 0); | |
| 255 slice_param->num_mcus = mcu_rows * mcu_cols; | |
| 256 } | |
| 257 | |
| 258 // static | |
| 259 bool VaapiJpegDecoder::Decode(VaapiWrapper* vaapi_wrapper, | |
| 260 const media::JpegParseResult& parse_result, | |
| 261 VASurfaceID va_surface) { | |
| 262 DCHECK_NE(va_surface, VA_INVALID_SURFACE); | |
| 263 if (!IsVaapiSupportedJpeg(parse_result)) | |
| 264 return false; | |
| 265 | |
| 266 // Set picture parameters. | |
| 267 VAPictureParameterBufferJPEGBaseline pic_param; | |
| 268 FillPictureParameters(parse_result.frame_header, &pic_param); | |
| 269 if (!vaapi_wrapper->SubmitBuffer(VAPictureParameterBufferType, | |
| 270 sizeof(pic_param), &pic_param)) | |
| 271 return false; | |
| 272 | |
| 273 // Set quantization table. | |
| 274 VAIQMatrixBufferJPEGBaseline iq_matrix; | |
| 275 FillIQMatrix(parse_result.q_table, &iq_matrix); | |
| 276 if (!vaapi_wrapper->SubmitBuffer(VAIQMatrixBufferType, sizeof(iq_matrix), | |
| 277 &iq_matrix)) | |
| 278 return false; | |
| 279 | |
| 280 // Set huffman table. | |
| 281 VAHuffmanTableBufferJPEGBaseline huffman_table; | |
| 282 FillHuffmanTable(parse_result.dc_table, parse_result.ac_table, | |
| 283 &huffman_table); | |
| 284 if (!vaapi_wrapper->SubmitBuffer(VAHuffmanTableBufferType, | |
| 285 sizeof(huffman_table), &huffman_table)) | |
| 286 return false; | |
| 287 | |
| 288 // Set slice parameters. | |
| 289 VASliceParameterBufferJPEGBaseline slice_param; | |
| 290 FillSliceParameters(parse_result, &slice_param); | |
| 291 if (!vaapi_wrapper->SubmitBuffer(VASliceParameterBufferType, | |
| 292 sizeof(slice_param), &slice_param)) | |
| 293 return false; | |
| 294 | |
| 295 // Set scan data. | |
| 296 if (!vaapi_wrapper->SubmitBuffer(VASliceDataBufferType, | |
| 297 parse_result.data_size, | |
| 298 const_cast<char*>(parse_result.data))) | |
| 299 return false; | |
| 300 | |
| 301 if (!vaapi_wrapper->ExecuteAndDestroyPendingBuffers(va_surface)) | |
| 302 return false; | |
| 303 | |
| 304 return true; | |
| 305 } | |
| 306 | |
| 307 } // namespace content | |
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Test X11 header pollution (Closed)
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