| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/gpu/vaapi_jpeg_decoder.h" |
| |
| #include <stddef.h> |
| #include <string.h> |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "media/filters/jpeg_parser.h" |
| |
| namespace { |
| |
| // K.3.3.1 "Specification of typical tables for DC difference coding" |
| media::JpegHuffmanTable |
| kDefaultDcTable[media::kJpegMaxHuffmanTableNumBaseline] = { |
| // luminance DC coefficients |
| { |
| true, |
| {0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0}, |
| {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, |
| 0x0b}, |
| }, |
| // chrominance DC coefficients |
| { |
| true, |
| {0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0}, |
| {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb}, |
| }, |
| }; |
| |
| // K.3.3.2 "Specification of typical tables for AC coefficient coding" |
| media::JpegHuffmanTable |
| kDefaultAcTable[media::kJpegMaxHuffmanTableNumBaseline] = { |
| // luminance AC coefficients |
| { |
| true, |
| {0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d}, |
| {0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, |
| 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, |
| 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, 0x24, |
| 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, |
| 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, |
| 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, |
| 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, |
| 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, |
| 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, |
| 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, |
| 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
| 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, |
| 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, |
| 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, |
| 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa}, |
| }, |
| // chrominance AC coefficients |
| { |
| true, |
| {0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77}, |
| {0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, |
| 0x41, 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, |
| 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, 0x15, |
| 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, |
| 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, |
| 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, |
| 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, |
| 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, |
| 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, |
| 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, |
| 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, |
| 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, |
| 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa}, |
| }, |
| }; |
| |
| } // namespace |
| |
| namespace media { |
| |
| // VAAPI only support subset of JPEG profiles. This function determines a given |
| // parsed JPEG result is supported or not. |
| static bool IsVaapiSupportedJpeg(const media::JpegParseResult& jpeg) { |
| if (jpeg.frame_header.visible_width < 1 || |
| jpeg.frame_header.visible_height < 1) { |
| DLOG(ERROR) << "width(" << jpeg.frame_header.visible_width |
| << ") and height(" << jpeg.frame_header.visible_height |
| << ") should be at least 1"; |
| return false; |
| } |
| |
| // Size 64k*64k is the maximum in the JPEG standard. VAAPI doesn't support |
| // resolutions larger than 16k*16k. |
| const int kMaxDimension = 16384; |
| if (jpeg.frame_header.coded_width > kMaxDimension || |
| jpeg.frame_header.coded_height > kMaxDimension) { |
| DLOG(ERROR) << "VAAPI doesn't support size(" |
| << jpeg.frame_header.coded_width << "*" |
| << jpeg.frame_header.coded_height << ") larger than " |
| << kMaxDimension << "*" << kMaxDimension; |
| return false; |
| } |
| |
| if (jpeg.frame_header.num_components != 3) { |
| DLOG(ERROR) << "VAAPI doesn't support num_components(" |
| << static_cast<int>(jpeg.frame_header.num_components) |
| << ") != 3"; |
| return false; |
| } |
| |
| if (jpeg.frame_header.components[0].horizontal_sampling_factor < |
| jpeg.frame_header.components[1].horizontal_sampling_factor || |
| jpeg.frame_header.components[0].horizontal_sampling_factor < |
| jpeg.frame_header.components[2].horizontal_sampling_factor) { |
| DLOG(ERROR) << "VAAPI doesn't supports horizontal sampling factor of Y" |
| << " smaller than Cb and Cr"; |
| return false; |
| } |
| |
| if (jpeg.frame_header.components[0].vertical_sampling_factor < |
| jpeg.frame_header.components[1].vertical_sampling_factor || |
| jpeg.frame_header.components[0].vertical_sampling_factor < |
| jpeg.frame_header.components[2].vertical_sampling_factor) { |
| DLOG(ERROR) << "VAAPI doesn't supports vertical sampling factor of Y" |
| << " smaller than Cb and Cr"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static void FillPictureParameters( |
| const media::JpegFrameHeader& frame_header, |
| VAPictureParameterBufferJPEGBaseline* pic_param) { |
| memset(pic_param, 0, sizeof(*pic_param)); |
| pic_param->picture_width = frame_header.coded_width; |
| pic_param->picture_height = frame_header.coded_height; |
| pic_param->num_components = frame_header.num_components; |
| |
| for (int i = 0; i < pic_param->num_components; i++) { |
| pic_param->components[i].component_id = frame_header.components[i].id; |
| pic_param->components[i].h_sampling_factor = |
| frame_header.components[i].horizontal_sampling_factor; |
| pic_param->components[i].v_sampling_factor = |
| frame_header.components[i].vertical_sampling_factor; |
| pic_param->components[i].quantiser_table_selector = |
| frame_header.components[i].quantization_table_selector; |
| } |
| } |
| |
| static void FillIQMatrix(const media::JpegQuantizationTable* q_table, |
| VAIQMatrixBufferJPEGBaseline* iq_matrix) { |
| memset(iq_matrix, 0, sizeof(*iq_matrix)); |
| static_assert(media::kJpegMaxQuantizationTableNum == |
| arraysize(iq_matrix->load_quantiser_table), |
| "max number of quantization table mismatched"); |
| for (size_t i = 0; i < media::kJpegMaxQuantizationTableNum; i++) { |
| if (!q_table[i].valid) |
| continue; |
| iq_matrix->load_quantiser_table[i] = 1; |
| static_assert( |
| arraysize(iq_matrix->quantiser_table[i]) == arraysize(q_table[i].value), |
| "number of quantization entries mismatched"); |
| for (size_t j = 0; j < arraysize(q_table[i].value); j++) |
| iq_matrix->quantiser_table[i][j] = q_table[i].value[j]; |
| } |
| } |
| |
| static void FillHuffmanTable(const media::JpegHuffmanTable* dc_table, |
| const media::JpegHuffmanTable* ac_table, |
| VAHuffmanTableBufferJPEGBaseline* huffman_table) { |
| memset(huffman_table, 0, sizeof(*huffman_table)); |
| // Use default huffman tables if not specified in header. |
| bool has_huffman_table = false; |
| for (size_t i = 0; i < media::kJpegMaxHuffmanTableNumBaseline; i++) { |
| if (dc_table[i].valid || ac_table[i].valid) { |
| has_huffman_table = true; |
| break; |
| } |
| } |
| if (!has_huffman_table) { |
| dc_table = kDefaultDcTable; |
| ac_table = kDefaultAcTable; |
| } |
| |
| static_assert(media::kJpegMaxHuffmanTableNumBaseline == |
| arraysize(huffman_table->load_huffman_table), |
| "max number of huffman table mismatched"); |
| static_assert(sizeof(huffman_table->huffman_table[0].num_dc_codes) == |
| sizeof(dc_table[0].code_length), |
| "size of huffman table code length mismatch"); |
| static_assert(sizeof(huffman_table->huffman_table[0].dc_values[0]) == |
| sizeof(dc_table[0].code_value[0]), |
| "size of huffman table code value mismatch"); |
| for (size_t i = 0; i < media::kJpegMaxHuffmanTableNumBaseline; i++) { |
| if (!dc_table[i].valid || !ac_table[i].valid) |
| continue; |
| huffman_table->load_huffman_table[i] = 1; |
| |
| memcpy(huffman_table->huffman_table[i].num_dc_codes, |
| dc_table[i].code_length, |
| sizeof(huffman_table->huffman_table[i].num_dc_codes)); |
| memcpy(huffman_table->huffman_table[i].dc_values, dc_table[i].code_value, |
| sizeof(huffman_table->huffman_table[i].dc_values)); |
| memcpy(huffman_table->huffman_table[i].num_ac_codes, |
| ac_table[i].code_length, |
| sizeof(huffman_table->huffman_table[i].num_ac_codes)); |
| memcpy(huffman_table->huffman_table[i].ac_values, ac_table[i].code_value, |
| sizeof(huffman_table->huffman_table[i].ac_values)); |
| } |
| } |
| |
| static void FillSliceParameters( |
| const media::JpegParseResult& parse_result, |
| VASliceParameterBufferJPEGBaseline* slice_param) { |
| memset(slice_param, 0, sizeof(*slice_param)); |
| slice_param->slice_data_size = parse_result.data_size; |
| slice_param->slice_data_offset = 0; |
| slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL; |
| slice_param->slice_horizontal_position = 0; |
| slice_param->slice_vertical_position = 0; |
| slice_param->num_components = parse_result.scan.num_components; |
| for (int i = 0; i < slice_param->num_components; i++) { |
| slice_param->components[i].component_selector = |
| parse_result.scan.components[i].component_selector; |
| slice_param->components[i].dc_table_selector = |
| parse_result.scan.components[i].dc_selector; |
| slice_param->components[i].ac_table_selector = |
| parse_result.scan.components[i].ac_selector; |
| } |
| slice_param->restart_interval = parse_result.restart_interval; |
| |
| // Cast to int to prevent overflow. |
| int max_h_factor = |
| parse_result.frame_header.components[0].horizontal_sampling_factor; |
| int max_v_factor = |
| parse_result.frame_header.components[0].vertical_sampling_factor; |
| int mcu_cols = parse_result.frame_header.coded_width / (max_h_factor * 8); |
| DCHECK_GT(mcu_cols, 0); |
| int mcu_rows = parse_result.frame_header.coded_height / (max_v_factor * 8); |
| DCHECK_GT(mcu_rows, 0); |
| slice_param->num_mcus = mcu_rows * mcu_cols; |
| } |
| |
| // static |
| bool VaapiJpegDecoder::Decode(VaapiWrapper* vaapi_wrapper, |
| const media::JpegParseResult& parse_result, |
| VASurfaceID va_surface) { |
| DCHECK_NE(va_surface, VA_INVALID_SURFACE); |
| if (!IsVaapiSupportedJpeg(parse_result)) |
| return false; |
| |
| // Set picture parameters. |
| VAPictureParameterBufferJPEGBaseline pic_param; |
| FillPictureParameters(parse_result.frame_header, &pic_param); |
| if (!vaapi_wrapper->SubmitBuffer(VAPictureParameterBufferType, |
| sizeof(pic_param), &pic_param)) |
| return false; |
| |
| // Set quantization table. |
| VAIQMatrixBufferJPEGBaseline iq_matrix; |
| FillIQMatrix(parse_result.q_table, &iq_matrix); |
| if (!vaapi_wrapper->SubmitBuffer(VAIQMatrixBufferType, sizeof(iq_matrix), |
| &iq_matrix)) |
| return false; |
| |
| // Set huffman table. |
| VAHuffmanTableBufferJPEGBaseline huffman_table; |
| FillHuffmanTable(parse_result.dc_table, parse_result.ac_table, |
| &huffman_table); |
| if (!vaapi_wrapper->SubmitBuffer(VAHuffmanTableBufferType, |
| sizeof(huffman_table), &huffman_table)) |
| return false; |
| |
| // Set slice parameters. |
| VASliceParameterBufferJPEGBaseline slice_param; |
| FillSliceParameters(parse_result, &slice_param); |
| if (!vaapi_wrapper->SubmitBuffer(VASliceParameterBufferType, |
| sizeof(slice_param), &slice_param)) |
| return false; |
| |
| // Set scan data. |
| if (!vaapi_wrapper->SubmitBuffer(VASliceDataBufferType, |
| parse_result.data_size, |
| const_cast<char*>(parse_result.data))) |
| return false; |
| |
| if (!vaapi_wrapper->ExecuteAndDestroyPendingBuffers(va_surface)) |
| return false; |
| |
| return true; |
| } |
| |
| } // namespace media |
