tdesktop/Telegram/SourceFiles/media/streaming/media_streaming_file_delega...

42 lines
1.1 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
namespace FFmpeg {
class Packet;
} // namespace FFmpeg
namespace Media {
namespace Streaming {
struct Stream;
enum class Error;
class FileDelegate {
public:
[[nodiscard]] virtual Mode fileOpenMode() = 0;
[[nodiscard]] virtual bool fileReady(
int headerSize,
Stream &&video,
Stream &&audio) = 0;
virtual void fileError(Error error) = 0;
virtual void fileWaitingForData() = 0;
virtual void fileFullInCache(bool fullInCache) = 0;
virtual void fileProcessEndOfFile() = 0;
// Return true if reading and processing more packets is desired.
// Return false if sleeping until 'wake()' is called is desired.
[[nodiscard]] virtual bool fileProcessPackets(
base::flat_map<int, std::vector<FFmpeg::Packet>> &packets) = 0;
// Also returns true after fileProcessEndOfFile() if looping is desired.
[[nodiscard]] virtual bool fileReadMore() = 0;
};
} // namespace Streaming
} // namespace Media