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# 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.

declare_args() {
  # Allows distributions to link pulseaudio directly (DT_NEEDED) instead of
  # using dlopen. This helps with automated detection of ABI mismatches and
  # prevents silent errors.
  link_pulseaudio = false

  # Enable usage of FFmpeg within the media library. Used for most software
  # based decoding, demuxing, and sometimes optimized FFTs. If disabled,
  # implementors must provide their own demuxers and decoders.
  media_use_ffmpeg = true

  # Enable usage of libvpx within the media library. Used for software based
  # decoding of VP9 and VP8A type content.
  media_use_libvpx = true

  # Neither Android nor iOS use ffmpeg or libvpx.
  if (is_android || is_ios) {
    media_use_ffmpeg = false
    media_use_libvpx = false
  }

  # Override to dynamically link the cras (ChromeOS audio) library.
  use_cras = false

  # Enables runtime selection of PulseAudio library.
  use_pulseaudio = false

  # Enables runtime selection of ALSA library for audio.
  use_alsa = false

  # TODO(GYP): How to handled the "embedded" use case?
  # Original conditional: (OS=="linux" or OS=="freebsd" or OS=="solaris") and embedded!=1
  if (is_posix && !is_android && !is_mac) {
    use_alsa = true
    if (!use_cras) {
      use_pulseaudio = true
    }
  }

  # Enables the MPEG2-TS stream parser for use with Media Source. Disabled by
  # default since it's not available on the normal Web Platform and costs money.
  enable_mpeg2ts_stream_parser = false

  # Enables browser side Content Decryption Modules. Required for android where
  # the typical PPAPI based CDM is not available.
  enable_browser_cdms = is_android

  # TODO(GYP): This should be a platform define.
  is_openbsd = false
}