# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/arm.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//third_party/libgav1/options.gni")

config("public_libgav1_config") {
  include_dirs = [
    "src",
    "src/src",
  ]

  defines = [
    "LIBGAV1_MAX_BITDEPTH=10",
    "LIBGAV1_THREADPOOL_USE_STD_MUTEX",  # to avoid abseil dependency.
    "LIBGAV1_ENABLE_LOGGING=0",  # to avoid debug log of libgav1 in chromium
                                 # debug build.

    # Don't let libgav1 export any symbols. Otherwise the verify_order step on
    # macOS can fail since these exports end up in the final Chromium binary.
    "LIBGAV1_PUBLIC=",
  ]
}

config("private_libgav1_config") {
  configs = []

  # dsp intrinsics will generate much better code when optimized for speed
  # rather than size.
  if (!is_debug) {
    configs += [ "//build/config/compiler:optimize_max" ]
  }
  if (current_cpu == "arm64" ||
      (current_cpu == "arm" && arm_version >= 7 && arm_use_neon)) {
    # The default thumb mode will impact performance of dsp intrinsics.
    configs += [ "//build/config/compiler:compiler_arm" ]
  }
}

if (use_libgav1_parser) {
  static_library("libgav1_parser") {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [ "//build/config/compiler:no_chromium_code" ]
    configs += [ ":private_libgav1_config" ]

    public_configs = [ ":public_libgav1_config" ]

    sources = [
      "//third_party/libgav1/src/src/buffer_pool.cc",
      "//third_party/libgav1/src/src/buffer_pool.h",
      "//third_party/libgav1/src/src/frame_buffer.cc",
      "//third_party/libgav1/src/src/internal_frame_buffer_list.cc",
      "//third_party/libgav1/src/src/internal_frame_buffer_list.h",
      "//third_party/libgav1/src/src/obu_parser.cc",
      "//third_party/libgav1/src/src/obu_parser.h",
      "//third_party/libgav1/src/src/quantizer.cc",
      "//third_party/libgav1/src/src/quantizer.h",
      "//third_party/libgav1/src/src/status_code.cc",
      "//third_party/libgav1/src/src/symbol_decoder_context.cc",
      "//third_party/libgav1/src/src/symbol_decoder_context.h",
      "//third_party/libgav1/src/src/utils/bit_reader.cc",
      "//third_party/libgav1/src/src/utils/bit_reader.h",
      "//third_party/libgav1/src/src/utils/constants.cc",
      "//third_party/libgav1/src/src/utils/constants.h",
      "//third_party/libgav1/src/src/utils/logging.cc",
      "//third_party/libgav1/src/src/utils/logging.h",
      "//third_party/libgav1/src/src/utils/raw_bit_reader.cc",
      "//third_party/libgav1/src/src/utils/raw_bit_reader.h",
      "//third_party/libgav1/src/src/utils/segmentation.cc",
      "//third_party/libgav1/src/src/utils/segmentation.h",
      "//third_party/libgav1/src/src/utils/segmentation_map.cc",
      "//third_party/libgav1/src/src/utils/segmentation_map.h",
      "//third_party/libgav1/src/src/warp_prediction.cc",
      "//third_party/libgav1/src/src/warp_prediction.h",
      "//third_party/libgav1/src/src/yuv_buffer.cc",
      "//third_party/libgav1/src/src/yuv_buffer.h",
    ]
  }

  fuzzer_test("libgav1_obu_parser_fuzzer") {
    sources = [
      "//third_party/libgav1/src/examples/file_reader.cc",
      "//third_party/libgav1/src/examples/file_reader.h",
      "//third_party/libgav1/src/examples/file_reader_constants.cc",
      "//third_party/libgav1/src/examples/file_reader_constants.h",
      "//third_party/libgav1/src/examples/file_reader_factory.cc",
      "//third_party/libgav1/src/examples/file_reader_factory.h",
      "//third_party/libgav1/src/examples/file_reader_interface.h",
      "//third_party/libgav1/src/examples/ivf_parser.cc",
      "//third_party/libgav1/src/examples/ivf_parser.h",
      "//third_party/libgav1/src/examples/logging.h",
      "//third_party/libgav1/src/tests/fuzzer/obu_parser_fuzzer.cc",
    ]
    deps = [ ":libgav1_parser" ]
    defines = [ "LIBGAV1_EXAMPLES_ENABLE_LOGGING=0" ]
    additional_configs = [ ":private_libgav1_config" ]
  }
}