# 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.

import("//third_party/openh264/openh264_args.gni")

assert(use_openh264)

# Import source and include variables from openh264.gypi.
openh264_gypi_values = exec_script("//build/gypi_to_gn.py",
                                   [ rebase_path("openh264.gypi") ],
                                   "scope")

# Config shared by all openh264 targets.
config("config") {
  cflags = []
  defines = []

  # Compiler warnings to ignore.
  if (!is_win) {
    # GCC flags
    cflags += [
      "-Wno-header-hygiene",
      "-Wno-unused-value",
    ]
  }

  # Platform-specific defines.
  if (is_android) {
    # Android NDK is necessary for its cpufeatures and this define is what
    # OpenH264 code uses to check if it should be used.
    defines += [ "ANDROID_NDK" ]
  }
}

source_set("common") {
  sources = openh264_gypi_values.openh264_common_sources
  include_dirs = openh264_gypi_values.openh264_common_includes
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [ "//build/config/compiler:no_chromium_code" ]
  configs += [ ":config" ]
  deps = []
  if (is_android) {
    deps += [
      # Defines "android_get/setCpu..." functions. The original OpenH264 build
      # files replaces these using macros for "wels_..." versions of the same
      # functions. We do not have access to these and use the <cpu-features.h>
      # ones instead.
      "//third_party/android_tools:cpu_features",
    ]
  }
}

source_set("processing") {
  sources = openh264_gypi_values.openh264_processing_sources
  include_dirs = openh264_gypi_values.openh264_processing_includes
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [ "//build/config/compiler:no_chromium_code" ]
  configs += [ ":config" ]
  deps = [
    ":common",
  ]
}

source_set("encoder") {
  sources = openh264_gypi_values.openh264_encoder_sources
  include_dirs = openh264_gypi_values.openh264_encoder_includes
  configs -= [ "//build/config/compiler:chromium_code" ]
  configs += [ "//build/config/compiler:no_chromium_code" ]
  configs += [ ":config" ]
  deps = [
    ":common",
    ":processing",
  ]
}