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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.
#ifndef MEDIA_BASE_EME_CONSTANTS_H_
#define MEDIA_BASE_EME_CONSTANTS_H_
#include <stdint.h>
namespace media {
// Defines bitmask values that specify registered initialization data types used
// in Encrypted Media Extensions (EME).
// The mask values are stored in a SupportedInitDataTypes.
enum EmeInitDataType {
EME_INIT_DATA_TYPE_NONE = 0,
EME_INIT_DATA_TYPE_WEBM = 1 << 0,
#if defined(USE_PROPRIETARY_CODECS)
EME_INIT_DATA_TYPE_CENC = 1 << 1,
#endif // defined(USE_PROPRIETARY_CODECS)
};
// Defines bitmask values that specify codecs used in Encrypted Media Extension
// (EME). Each value represents a codec within a specific container.
// The mask values are stored in a SupportedCodecs.
enum EmeCodec {
// *_ALL values should only be used for masking, do not use them to specify
// codec support because they may be extended to include more codecs.
EME_CODEC_NONE = 0,
EME_CODEC_WEBM_OPUS = 1 << 0,
EME_CODEC_WEBM_VORBIS = 1 << 1,
EME_CODEC_WEBM_AUDIO_ALL = EME_CODEC_WEBM_OPUS | EME_CODEC_WEBM_VORBIS,
EME_CODEC_WEBM_VP8 = 1 << 2,
EME_CODEC_WEBM_VP9 = 1 << 3,
EME_CODEC_WEBM_VIDEO_ALL = (EME_CODEC_WEBM_VP8 | EME_CODEC_WEBM_VP9),
EME_CODEC_WEBM_ALL = (EME_CODEC_WEBM_AUDIO_ALL | EME_CODEC_WEBM_VIDEO_ALL),
#if defined(USE_PROPRIETARY_CODECS)
EME_CODEC_MP4_AAC = 1 << 4,
EME_CODEC_MP4_AUDIO_ALL = EME_CODEC_MP4_AAC,
EME_CODEC_MP4_AVC1 = 1 << 5,
EME_CODEC_MP4_VIDEO_ALL = EME_CODEC_MP4_AVC1,
EME_CODEC_MP4_ALL = (EME_CODEC_MP4_AUDIO_ALL | EME_CODEC_MP4_VIDEO_ALL),
EME_CODEC_ALL = (EME_CODEC_WEBM_ALL | EME_CODEC_MP4_ALL),
#else
EME_CODEC_ALL = EME_CODEC_WEBM_ALL,
#endif // defined(USE_PROPRIETARY_CODECS)
};
typedef uint32_t SupportedInitDataTypes;
typedef uint32_t SupportedCodecs;
} // namespace media
#endif // MEDIA_BASE_EME_CONSTANTS_H_