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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMECAST_PUBLIC_OUTPUT_RESTRICTIONS_H_
#define CHROMECAST_PUBLIC_OUTPUT_RESTRICTIONS_H_
namespace chromecast {
// The below values were adapted from the msdn article on Output Protection
// Levels: https://msdn.microsoft.com/en-us/library/dn468832.aspx
// Restrictions supported/applied to Uncompressed Digital Audio outputs, e.g.
// HDMI, DisplayPort, MHL.
class UncompressedDigitalAudio {
public:
enum Restrictions {
// HDCP protection.
kHdcp = 1,
// HDCP protection *or* SCMS Copy Never protection.
kHdcpOrScmsCopyNever = 1 << 1,
// Disable the output so that content is not sent to it.
kDisableOutput = 1 << 2,
};
};
// Restrictions supported/applied to Compressed Digital Audio outputs, e.g.
// HDMI, DisplayPort, MHL.
class CompressedDigitalAudio {
public:
enum Restrictions {
// HDCP protection *or* SCMS Copy Never protection.
kHdcpOrScmsCopyNever = 1,
// HDCP protection.
kHdcp = 1 << 1,
// Disable the output so that content is not sent to it.
kDisableOutput = 1 << 2,
};
};
// Restrictions supported/applied to Analog TV outputs, e.g. Component,
// Composite, VGA.
class AnalogVideo {
public:
enum Restrictions {
// Content is constrainted to 520,000 pixels of effective resolution.
kConstrainOutputToSd = 1,
// CGMS-A Copy Never protection.
kCgmsACopyNever = 1 << 1,
// Macrovision APC Automatic Gain Control and Color Stripe protection.
kAgcAndColorStripe = 1 << 2,
// Disable the output so that content is not sent to it.
kDisableOutput = 1 << 3,
};
};
// Restrictions supported/applied to Uncompressed Digital Video outputs, e.g.
// HDMI, DVI, DisplayPort, MHL.
class UncompressedDigitalVideo {
public:
enum Restrictions {
// HDCP protection.
kHdcp = 1,
// Disable the output so that content is not sent to it.
kDisableOutput = 1 << 2,
};
};
// Represents either a set of supported OutputRestrictions, or a set of
// OutputRestrictions to be applied.
struct OutputRestrictions {
OutputRestrictions()
: uncompressed_digital_audio_mask(0),
compressed_digital_audio_mask(0),
analog_video_mask(0),
uncompressed_digital_video_mask(0) {}
// A bitmask of UncompressedDigitalAudio restrictions, indicating either
// supported or required restrictions.
int uncompressed_digital_audio_mask;
// A bitmask of CompressedDigitalAudio restrictions, indicating either
// supported or required restrictions.
int compressed_digital_audio_mask;
// A bitmask of Analog TV restrictions, indicating either supported or
// required restrictions.
int analog_video_mask;
// A bitmask of UncompressedDigitalVideo restrictions, indicating either
// supported or required restrictions.
int uncompressed_digital_video_mask;
};
} // namespace chromecast
#endif // CHROMECAST_PUBLIC_OUTPUT_RESTRICTIONS_H_