Add JPEG decoder for VAAPI JPEG decode acceleration

content/common/gpu/media/vaapi_jpeg_decoder.cc

+// 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 "content/common/gpu/media/vaapi_jpeg_decoder.h"
+
+#include "base/logging.h"
+#include "media/filters/jpeg_parser.h"
+
+namespace media {
+
+// K.3.3.1 "Specification of typical tables for DC difference coding"
+static JpegHuffmanTable default_dc_table[kJpegMaxHuffmanTableNumBaseline] = {

[wuchengli, 2015/01/20 07:55:53]

Why this is exposed to media namespace? If no special reason, put this in
anonymous namespace. Same for default_ac_table.

[kcwu, 2015/01/21 12:23:47]

Done.
Actually they are not exposed to media due to "static". 

+    // 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"
+static JpegHuffmanTable default_ac_table[kJpegMaxHuffmanTableNumBaseline] = {

[wuchengli, 2015/01/20 07:55:53]

s/default_ac_table/kDefaultAcTable/

[kcwu, 2015/01/21 12:23:47]

Done.

+    // 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 media
+
+namespace content {
+
+VaapiJpegDecoder::VaapiJpegDecoder(VaapiWrapper* vaapi_wrapper)
+    : vaapi_wrapper_(vaapi_wrapper) {
+  DCHECK(vaapi_wrapper);
+}
+
+VaapiJpegDecoder::~VaapiJpegDecoder() {
+}
+
+static bool IsVaapiSupportedJpeg(const media::JpegParseResult& jpeg) {
+  // Size 64k*64k is the maximum in the JPEG standard. VAAPI doesn't support
+  // larger than 16k*16k.
+  const int kMaxDimension = 16384;
+  if (jpeg.frame_header.visible_height > kMaxDimension ||

[wuchengli, 2015/01/20 07:55:53]

nit: check visible_width first then visible_height. Be consistent with the rest
of this file.

[kcwu, 2015/01/21 12:23:47]

Done.

+      jpeg.frame_header.visible_width > kMaxDimension) {
+    DLOG(ERROR) << "VAAPI don't support size("

[wuchengli, 2015/01/20 07:55:53]

s/don't/doesn't/. Same below.

[kcwu, 2015/01/21 12:23:47]

Done.

+                << jpeg.frame_header.visible_width << "*"
+                << jpeg.frame_header.visible_height << ") larger than "
+                << kMaxDimension << "*" << kMaxDimension;
+    return false;
+  }
+
+  if (jpeg.frame_header.num_components != 3) {
+    DLOG(ERROR) << "VAAPI don'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 don'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 don'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.visible_width;
+  pic_param->picture_height = frame_header.visible_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;
+    for (int j = 0; j < 64; 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 = media::default_dc_table;
+    ac_table = media::default_ac_table;
+  }
+
+  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));
+  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;
+  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;
+  int mcu_cols =
+      (parse_result.frame_header.visible_width + max_h_factor * 8 - 1) /
+      (max_h_factor * 8);
+  int mcu_rows =
+      (parse_result.frame_header.visible_height + max_v_factor * 8 - 1) /
+      (max_v_factor * 8);
+  slice_param->num_mcus = mcu_rows * mcu_cols;
+}
+
+bool VaapiJpegDecoder::Decode(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 content