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// Copyright 2021 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_SHARED_PLATFORM_INFO_SERIALIZER_H_
#define CHROMECAST_SHARED_PLATFORM_INFO_SERIALIZER_H_
#include <optional>
#include <string>
#include <string_view>
#include <vector>
#include "chromecast/public/media/decoder_config.h"
#include "third_party/cast_core/public/src/proto/bindings/media_capabilities.pb.h"
namespace chromecast {
// This class is responsible for serialization and deserialization of JSON
// messages used for specifying the media capabilities of a Cast receiver.
class PlatformInfoSerializer {
public:
// Information about a supported audio codec.
struct AudioCodecInfo {
media::AudioCodec codec = media::AudioCodec::kAudioCodecUnknown;
media::SampleFormat sample_format =
media::SampleFormat::kUnknownSampleFormat;
int max_samples_per_second = 0;
int max_audio_channels = 0;
};
// Information about a supported video codec.
struct VideoCodecInfo {
media::VideoCodec codec = media::VideoCodec::kVideoCodecUnknown;
media::VideoProfile profile = media::VideoProfile::kVideoProfileUnknown;
};
PlatformInfoSerializer();
PlatformInfoSerializer(PlatformInfoSerializer&& other);
~PlatformInfoSerializer();
PlatformInfoSerializer& operator=(PlatformInfoSerializer&& other);
cast::bindings::MediaCapabilitiesMessage* platform_info();
std::string Serialize() const;
static std::optional<PlatformInfoSerializer> Deserialize(
std::string_view base64);
// Setters for known valid properties.
void SetMaxWidth(int max_width);
void SetMaxHeight(int max_height);
void SetMaxFrameRate(int max_frame_rate);
void SetSupportedCryptoBlockFormat(const std::string& format);
void SetMaxChannels(int max_channels);
void SetPcmSurroundSoundSupported(bool is_supported);
void SetPlatformDolbyVisionEnabled(bool is_enabled);
void SetDolbyVisionSupported(bool is_supported);
void SetDolbyVision4kP60Supported(bool is_supported);
void SetDolbyVisionSupportedByCurrentHdmiMode(bool is_supported);
void SetHdmiVideoModeSwitchEnabled(bool is_enabled);
void SetPlatformHevcEnabled(bool is_enabled);
void SetHdmiModeHdrCheckEnforced(bool is_enforced);
void SetHdrSupportedByCurrentHdmiMode(bool is_supported);
void SetSmpteSt2084Supported(bool is_supported);
void SetHlgSupported(bool is_supported);
void SetHdrFeatureEnabled(bool is_enabled);
void SetHdcpVersion(int hdcp_version);
void SetSpatialRenderingSupportMask(int mask);
void SetMaxFillRate(int max_fill_rate);
void SetSupportedAudioCodecs(std::vector<AudioCodecInfo> codec_infos);
void SetSupportedVideoCodecs(std::vector<VideoCodecInfo> codec_infos);
// Getters for the same properties. Returns std::nullopt if no such value is
// set, and the set value in all other cases.
std::optional<int> MaxWidth() const;
std::optional<int> MaxHeight() const;
std::optional<int> MaxFrameRate() const;
std::optional<std::string> SupportedCryptoBlockFormat() const;
std::optional<int> MaxChannels() const;
std::optional<bool> PcmSurroundSoundSupported() const;
std::optional<bool> IsPlatformDolbyVisionEnabled() const;
std::optional<bool> IsDolbyVisionSupported() const;
std::optional<bool> IsDolbyVision4kP60Supported() const;
std::optional<bool> IsDolbyVisionSupportedByCurrentHdmiMode() const;
std::optional<bool> IsHdmiVideoModeSwitchEnabled() const;
std::optional<bool> IsPlatformHevcEnabled() const;
std::optional<bool> IsHdmiModeHdrCheckEnforced() const;
std::optional<bool> IsHdrSupportedByCurrentHdmiMode() const;
std::optional<bool> IsSmpteSt2084Supported() const;
std::optional<bool> IsHlgSupported() const;
std::optional<bool> IsHdrFeatureEnabled() const;
std::optional<int> HdcpVersion() const;
std::optional<int> SpatialRenderingSupportMask() const;
std::optional<int> MaxFillRate() const;
std::optional<std::vector<AudioCodecInfo>> SupportedAudioCodecs() const;
std::optional<std::vector<VideoCodecInfo>> SupportedVideoCodecs() const;
// Deprecated fields.
void SetSupportedLegacyVp9Levels(std::vector<int> levels);
std::optional<std::vector<int>> SupportedLegacyVp9Levels() const;
private:
// All currently produced values.
cast::bindings::MediaCapabilitiesMessage platform_info_;
};
bool operator==(const PlatformInfoSerializer::AudioCodecInfo& first,
const PlatformInfoSerializer::AudioCodecInfo& second);
bool operator==(const PlatformInfoSerializer::VideoCodecInfo& first,
const PlatformInfoSerializer::VideoCodecInfo& second);
} // namespace chromecast
#endif // CHROMECAST_SHARED_PLATFORM_INFO_SERIALIZER_H_