tdesktop/Telegram/SourceFiles/media/streaming/media_streaming_common.h

151 lines
2.9 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "ui/rect_part.h"
enum class ImageRoundRadius;
namespace Media {
inline constexpr auto kTimeUnknown = std::numeric_limits<crl::time>::min();
inline constexpr auto kDurationMax = crl::time(std::numeric_limits<int>::max());
inline constexpr auto kDurationUnavailable = std::numeric_limits<crl::time>::max();
namespace Audio {
bool SupportsSpeedControl();
} // namespace Audio
namespace Streaming {
inline bool SupportsSpeedControl() {
return Media::Audio::SupportsSpeedControl();
}
class VideoTrack;
class AudioTrack;
enum class Mode {
Both,
Audio,
Video,
Inspection,
};
struct PlaybackOptions {
Mode mode = Mode::Both;
crl::time position = 0;
float64 speed = 1.; // Valid values between 0.5 and 2.
AudioMsgId audioId;
bool syncVideoByAudio = true;
bool waitForMarkAsShown = false;
bool loop = false;
};
struct TrackState {
crl::time position = kTimeUnknown;
crl::time receivedTill = kTimeUnknown;
crl::time duration = kTimeUnknown;
};
struct VideoInformation {
TrackState state;
QSize size;
QImage cover;
int rotation = 0;
};
struct AudioInformation {
TrackState state;
};
struct Information {
VideoInformation video;
AudioInformation audio;
int headerSize = 0;
};
template <typename Track>
struct PreloadedUpdate {
crl::time till = kTimeUnknown;
};
template <typename Track>
struct PlaybackUpdate {
crl::time position = kTimeUnknown;
};
using PreloadedVideo = PreloadedUpdate<VideoTrack>;
using UpdateVideo = PlaybackUpdate<VideoTrack>;
using PreloadedAudio = PreloadedUpdate<AudioTrack>;
using UpdateAudio = PlaybackUpdate<AudioTrack>;
struct WaitingForData {
bool waiting = false;
};
struct MutedByOther {
};
struct Finished {
};
struct Update {
std::variant<
Information,
PreloadedVideo,
UpdateVideo,
PreloadedAudio,
UpdateAudio,
WaitingForData,
MutedByOther,
Finished> data;
};
enum class Error {
OpenFailed,
LoadFailed,
InvalidData,
NotStreamable,
};
struct FrameRequest {
QSize resize;
QSize outer;
ImageRoundRadius radius = ImageRoundRadius();
RectParts corners = RectPart::AllCorners;
bool strict = true;
static FrameRequest NonStrict() {
auto result = FrameRequest();
result.strict = false;
return result;
}
[[nodiscard]] bool empty() const {
return resize.isEmpty();
}
[[nodiscard]] bool operator==(const FrameRequest &other) const {
return (resize == other.resize)
&& (outer == other.outer)
&& (radius == other.radius)
&& (corners == other.corners);
}
[[nodiscard]] bool operator!=(const FrameRequest &other) const {
return !(*this == other);
}
[[nodiscard]] bool goodFor(const FrameRequest &other) const {
return (*this == other) || (strict && !other.strict);
}
};
} // namespace Streaming
} // namespace Media