chromecast/media/mojom/media_types.mojom

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module chromecast.media.mojom;

enum AudioCodec {
  kAudioCodecUnknown,
  kCodecAAC,
  kCodecMP3,
  kCodecPCM,
  kCodecPCM_S16BE,
  kCodecVorbis,
  kCodecOpus,
  kCodecEAC3,
  kCodecAC3,
  kCodecDTS,
  kCodecDTSXP2,
  kCodecFLAC,
  kCodecMpegHAudio,
};

enum ChannelLayout {
  kUnsupported,
  kMono,
  kStereo,
  kSurround_5_1,
  kBitstream,
  kDiscrete,
};

enum SampleFormat {
  kUnknownSampleFormat,
  kSampleFormatU8,
  kSampleFormatS16,
  kSampleFormatS32,
  kSampleFormatF32,
  kSampleFormatPlanarS16,
  kSampleFormatPlanarF32,
  kSampleFormatPlanarS32,
  kSampleFormatS24,
  kSampleFormatPlanarU8,
};

enum StreamId {
  kPrimary,
  kSecondary
};

enum EncryptionScheme {
  kUnencrypted,
  kAesCtr,
  kAesCbc
};

// This defines a mojo transport format for chromecast::media::AudioConfig.
// See chromecast/public/media/decoder_config.h for descriptions.
struct AudioConfig {
  StreamId id;
  AudioCodec codec;
  ChannelLayout channel_layout;
  SampleFormat sample_format;
  int32 bytes_per_channel;
  int32 channel_number;
  int32 samples_per_second;
  array<uint8> extra_data;
  EncryptionScheme encryption_scheme;
};