Store SupportedCodecs in KeySystemInfo and KeySystems.

content/public/common/encrypted_media_codecs.h

Index: content/public/common/encrypted_media_codecs.h
diff --git a/content/public/common/encrypted_media_codecs.h b/content/public/common/encrypted_media_codecs.h
new file mode 100644
index 0000000000000000000000000000000000000000..ddb46f0574985bd152f52b1717a9a20e50395e14
--- /dev/null
+++ b/content/public/common/encrypted_media_codecs.h
@@ -0,0 +1,36 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.

[jam, 2014/04/24 19:34:15]

if you rename the enum to EmeCode, then this file should be eme_codec.h

[xhwang, 2014/04/24 20:04:29]

Got it. Thanks for catching that. Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_PUBLIC_COMMON_ENCRYPTED_MEDIA_CODECS_H_
+#define CONTENT_PUBLIC_COMMON_ENCRYPTED_MEDIA_CODECS_H_
+
+namespace content {
+
+// 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 {
+  EME_CODEC_NONE = 0,
+  EME_CODEC_WEBM_VORBIS = 1 << 0,
+  EME_CODEC_WEBM_AUDIO_ALL = EME_CODEC_WEBM_VORBIS,
+  EME_CODEC_WEBM_VP8 = 1 << 1,
+  EME_CODEC_WEBM_VIDEO_ALL = EME_CODEC_WEBM_VP8,
+  EME_CODEC_WEBM_ALL = (EME_CODEC_WEBM_AUDIO_ALL | EME_CODEC_WEBM_VIDEO_ALL),
+#if defined(USE_PROPRIETARY_CODECS)
+  EME_CODEC_MP4_AAC = 1 << 2,
+  EME_CODEC_MP4_AUDIO_ALL = EME_CODEC_MP4_AAC,
+  EME_CODEC_MP4_AVC1 = 1 << 3,
+  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 SupportedCodecs;
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_ENCRYPTED_MEDIA_CODECS_H_