content/common/gpu/media/vaapi_jpeg_decoder.cc

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