# Copyright 2014 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("//build/buildflag_header.gni")
import("//build/config/android/config.gni")
import("//build/config/arm.gni")
import("//build/config/features.gni")
import("//build/config/linux/pkg_config.gni")
import("//build/config/ui.gni")
import("//media/media_options.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//testing/test.gni")
import("//third_party/ffmpeg/ffmpeg_options.gni")

buildflag_header("media_features") {
  header = "media_features.h"

  flags = [
    "ENABLE_AC3_EAC3_AUDIO_DEMUXING=$enable_ac3_eac3_audio_demuxing",
    "ENABLE_CBCS_ENCRYPTION_SCHEME=$enable_cbcs_encryption_scheme",
    "ENABLE_CDM_HOST_VERIFICATION=$enable_cdm_host_verification",
    "ENABLE_HEVC_DEMUXING=$enable_hevc_demuxing",
    "ENABLE_DOLBY_VISION_DEMUXING=$enable_dolby_vision_demuxing",
    "ENABLE_HLS_SAMPLE_AES=$enable_hls_sample_aes",
    "ENABLE_LIBRARY_CDMS=$enable_library_cdms",
    "ENABLE_MSE_MPEG2TS_STREAM_PARSER=$enable_mse_mpeg2ts_stream_parser",
    "ENABLE_RUNTIME_MEDIA_RENDERER_SELECTION=$enable_runtime_media_renderer_selection",
    "ENABLE_MEDIA_REMOTING=$enable_media_remoting",
    "ENABLE_MEDIA_REMOTING_RPC=$enable_media_remoting_rpc",
    "ENABLE_WEBRTC=$enable_webrtc",
    "USE_PROPRIETARY_CODECS=$proprietary_codecs",
  ]
}

if (proprietary_codecs && media_use_ffmpeg) {
  assert(
      ffmpeg_branding != "Chromium",
      "proprietary codecs and ffmpeg_branding set to Chromium are incompatible")
}

# Common configuration for targets in the media directory; these must not be
# exported since things like USE_NEON and USE_CRAS have different meanings
# elsewhere in the code base.
config("media_config") {
  configs = [ ":media_dependent_config" ]
  defines = []
  if (current_cpu == "arm64" || (current_cpu == "arm" && arm_use_neon)) {
    defines += [ "USE_NEON" ]
  }
  if (use_pulseaudio) {
    defines += [ "USE_PULSEAUDIO" ]
    if (!link_pulseaudio) {
      defines += [ "DLOPEN_PULSEAUDIO" ]
    }
  }
  if (use_cras) {
    defines += [ "USE_CRAS" ]
  }
}

# Common defines which must be set in targets which depend on //media.
# TODO(dalecurtis): These should be converted to BUILDFLAGs.
config("media_dependent_config") {
  defines = []
  if (!media_use_libvpx) {
    defines += [ "MEDIA_DISABLE_LIBVPX" ]
  }
  if (!media_use_ffmpeg) {
    defines += [ "MEDIA_DISABLE_FFMPEG" ]
  }
  if (disable_ffmpeg_video_decoders) {
    defines += [ "DISABLE_FFMPEG_VIDEO_DECODERS" ]
  }
}

# Internal grouping of the configs necessary to support sub-folders having their
# own BUILD.gn files; only targets which roll up into the "media" target should
# include this config. I.e., not "test_support" or "unit_tests" targets.
#
# Without these configs having individual sub-folders take a //media/base DEP
# (or others) can yield incorrectly imported and exported symbols on Windows:
#
#    fatal error LNK1169: one or more multiply defined symbols found.
#
config("subcomponent_config") {
  visibility = media_subcomponent_deps
  if (is_mac) {
    visibility += [ "//media/base/mac" ]
  }
  defines = [ "MEDIA_IMPLEMENTATION" ]
  configs = [ ":media_config" ]
}

component("media") {
  libs = []

  deps = [
    "//base",
    "//base:i18n",
    "//base/third_party/dynamic_annotations",
    "//cc/paint",
    "//crypto:platform",
    "//gpu/command_buffer/client:gles2_interface",
    "//gpu/command_buffer/common",
    "//third_party/libyuv",
    "//ui/events:events_base",
    "//ui/gfx",
    "//ui/gfx/geometry",
    "//ui/gl:gl",
    "//url",
  ]

  all_dependent_configs = [ ":media_dependent_config" ]
  public_configs = [ "//third_party/libwebm:libwebm_config" ]
  public_deps = media_subcomponent_deps
  public_deps += [
    ":media_features",
    ":shared_memory_support",

    # media_switches.h needs ppapi/features/features.h.
    "//ppapi/features",
    "//ui/gfx:color_space",
  ]

  # This must be included here since it actually depends on //media/base.
  if (is_mac || is_ios) {
    public_deps += [ "//media/base/mac" ]
  }
}

# TODO(xhwang): Move these into source_sets in respective subfolders.
source_set("unit_tests") {
  testonly = true
  sources = [
    "muxers/webm_muxer_unittest.cc",
  ]

  data = [
    "test/data/",
  ]

  configs += [
    ":media_config",

    # TODO(crbug.com/167187): Fix size_t to int truncations.
    "//build/config/compiler:no_size_t_to_int_warning",
  ]

  deps = [
    ":test_support",
    "//base/test:test_support",
    "//crypto",
    "//gpu:test_support",
    "//gpu/command_buffer/common",
    "//media/cdm:cdm_paths",
    "//skia",  # Direct dependency required to inherit config.
    "//testing/gmock",
    "//testing/gtest",
    "//third_party/libwebm",
    "//third_party/libyuv",
    "//third_party/widevine/cdm:headers",
    "//ui/gfx:test_support",
    "//url",
  ]

  data_deps = []

  if (proprietary_codecs) {
    if (enable_hls_sample_aes) {
      deps += [ "//third_party/boringssl" ]
    }
  }

  if (is_mac || is_ios) {
    libs = [
      "AppKit.framework",
      "Foundation.framework",
    ]
  }

  if (media_use_ffmpeg) {
    # Direct dependency required to inherit config.
    deps += [ "//third_party/ffmpeg" ]
  }
}

# Note: This can't be a static_library since it does not have any sources.
source_set("test_support") {
  testonly = true
  public_deps = [
    ":media",
    "//media/audio:test_support",
    "//media/base:test_support",
    "//media/base/android:test_support",
    "//media/formats:test_support",
    "//media/video:test_support",
  ]
}

# Contains tests for all targets in the "media" folder.
# TODO(xhwang): Move mojo/capture/remoting tests here where applicable.
test("media_unittests") {
  deps = [
    ":unit_tests",
    "//media/audio:unit_tests",
    "//media/base:unit_tests",
    "//media/cdm:unit_tests",
    "//media/device_monitors:unit_tests",
    "//media/filters:unit_tests",
    "//media/formats:unit_tests",
    "//media/gpu:unit_tests",
    "//media/mojo:unit_tests",
    "//media/renderers:unit_tests",
    "//media/test:pipeline_integration_tests",
    "//media/test:run_all_unittests",
    "//media/video:unit_tests",
  ]

  if (media_use_ffmpeg) {
    deps += [ "//media/ffmpeg:unit_tests" ]
  }

  if (is_android) {
    deps += [
      # The test needs the java dependencies to add the java classes for their
      # native counterparts to the test apk.
      "//media/base/android:media_java",
      "//media/base/android:unit_tests",
      "//media/gpu:android_video_decode_accelerator_unittests",
      "//ui/android:ui_java",
    ]
  }

  if (enable_media_remoting) {
    deps += [ "//media/remoting:media_remoting_tests" ]
  }

  if (proprietary_codecs) {
    configs += [ "//third_party/opus:opus_config" ]
  }
}

test("media_perftests") {
  configs += [ ":media_config" ]
  deps = [
    ":test_support",
    "//base/test:test_support",
    "//media/base:perftests",
    "//media/filters:perftests",
    "//media/test:pipeline_integration_perftests",
    "//testing/gmock",
    "//testing/gtest",
    "//testing/perf",
    "//third_party/widevine/cdm:headers",
    "//ui/gfx:test_support",
  ]
  if (media_use_ffmpeg) {
    # Direct dependency required to inherit config.
    deps += [ "//third_party/ffmpeg" ]
  }

  # This target should not require the Chrome executable to run.
  assert_no_deps = [ "//chrome" ]

  data = [
    "test/data/",

    # Needed for isolate script to execute.
    "//testing/scripts/common.py",
    "//testing/xvfb.py",
    "//testing/scripts/run_gtest_perf_test.py",
    "//tools/perf/generate_legacy_perf_dashboard_json.py",
  ]
}

# The audio subset of media_unittests. This target exists for running only the
# audio tests on the GPU bots (which have audio hardware).
test("audio_unittests") {
  deps = [
    ":test_support",
    "//base/test:test_support",
    "//media/audio:unit_tests",
    "//media/test:run_all_unittests",
  ]
  if (is_android) {
    deps += [
      # The test needs the java dependencies to add the java classes for their
      # native counterparts to the test apk.
      "//media/base/android:media_java",
      "//ui/android:ui_java",
    ]
  }
}

# Note: Most external components should just depend on //media unless they
# specifically need this pared own target (NaCl, PPAPI, etc). Internal targets
# should just depend on //media/base which will propagate this target to them.
component("shared_memory_support") {
  sources = [
    "base/audio_bus.cc",
    "base/audio_bus.h",
    "base/audio_latency.cc",
    "base/audio_latency.h",
    "base/audio_parameters.cc",
    "base/audio_parameters.h",
    "base/audio_point.cc",
    "base/audio_point.h",
    "base/audio_sample_types.h",
    "base/channel_layout.cc",
    "base/channel_layout.h",
    "base/limits.h",
    "base/media_shmem_export.h",
    "base/vector_math.cc",
    "base/vector_math.h",
    "base/vector_math_testing.h",
  ]
  if (is_mac) {
    # These need to be included here because audio_latency.cc depends on them.
    sources += [
      "base/mac/audio_latency_mac.cc",
      "base/mac/audio_latency_mac.h",
    ]
  }

  # Do not use "subcomponent_config" here since these files are in their own
  # component target and thus can't share the standard export macros.
  configs += [ ":media_config" ]
  defines = [ "MEDIA_SHMEM_IMPLEMENTATION" ]

  if (!is_debug) {
    configs -= [ "//build/config/compiler:default_optimization" ]
    configs += [ "//build/config/compiler:optimize_max" ]
  }
  deps = [
    "//base",
    "//ui/gfx/geometry",
  ]
}

# TODO(watk): Refactor tests that could be made to run on Android. See
# http://crbug.com/570762
if (media_use_ffmpeg && !is_android) {
  test("ffmpeg_regression_tests") {
    configs += [ "//media:media_config" ]

    deps = [
      ":test_support",
      "//base/test:test_support",
      "//media/ffmpeg:ffmpeg_regression_tests",
      "//media/test:pipeline_integration_tests",
      "//media/test:run_all_unittests",
      "//testing/gmock",
      "//testing/gtest",
      "//ui/gfx:test_support",
      "//ui/gfx/geometry",
    ]
  }
}

if (proprietary_codecs) {
  fuzzer_test("media_cenc_utils_fuzzer") {
    sources = [
      "cdm/cenc_utils_fuzzertest.cc",
    ]
    deps = [
      ":media",
    ]
  }
}

fuzzer_test("media_vp8_parser_fuzzer") {
  sources = [
    "filters/vp8_parser_fuzzertest.cc",
  ]
  deps = [
    ":media",
    "//base",
  ]
  libfuzzer_options = [ "max_len = 400000" ]
  dict = "test/vp8.dict"
}

fuzzer_test("media_vp9_parser_fuzzer") {
  sources = [
    "filters/vp9_parser_fuzzertest.cc",
  ]
  deps = [
    ":media",
    "//base",
  ]
  libfuzzer_options = [ "max_len = 400000" ]
}

fuzzer_test("media_vpx_video_decoder_fuzzer") {
  sources = [
    "filters/vpx_video_decoder_fuzzertest.cc",
  ]
  deps = [
    ":media",
    "//base",
  ]
  libfuzzer_options = [ "max_len = 400000" ]
  seed_corpus = "//media/test/data"
}

fuzzer_test("media_webm_muxer_fuzzer") {
  sources = [
    "muxers/webm_muxer_fuzzertest.cc",
  ]
  deps = [
    ":media",
    "//base",
    "//third_party/libwebm",
  ]
}

if (proprietary_codecs) {
  fuzzer_test("media_mp4_avcc_parser_fuzzer") {
    sources = [
      "formats/mp4/mp4_avcc_parser_fuzzer.cc",
    ]
    deps = [
      ":media",
      "//base",
    ]
  }
}