64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "media/audio/media_audio_ffmpeg_loader.h"
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#include "media/streaming/media_streaming_utility.h"
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namespace Media {
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struct ExternalSoundData {
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FFmpeg::CodecPointer codec;
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FFmpeg::FramePointer frame;
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int32 frequency = Media::Player::kDefaultFrequency;
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int64 length = 0;
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float64 speed = 1.; // 0.5 <= speed <= 2.
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};
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struct ExternalSoundPart {
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AudioMsgId audio;
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gsl::span<FFmpeg::Packet> packets;
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};
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class ChildFFMpegLoader : public AbstractAudioFFMpegLoader {
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public:
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ChildFFMpegLoader(std::unique_ptr<ExternalSoundData> &&data);
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bool open(crl::time positionMs) override;
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bool check(const Core::FileLocation &file, const QByteArray &data) override {
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return true;
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}
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ReadResult readMore(QByteArray &result, int64 &samplesAdded) override;
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void enqueuePackets(std::deque<FFmpeg::Packet> &&packets) override;
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void setForceToBuffer(bool force) override;
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bool forceToBuffer() const override;
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bool eofReached() const {
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return _eofReached;
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}
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~ChildFFMpegLoader();
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private:
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// Streaming player reads first frame by itself and provides it together
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// with the codec context. So we first read data from this frame and
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// only after that we try to read next packets.
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ReadResult readFromInitialFrame(
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QByteArray &result,
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int64 &samplesAdded);
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std::unique_ptr<ExternalSoundData> _parentData;
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std::deque<FFmpeg::Packet> _queue;
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bool _forceToBuffer = false;
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bool _eofReached = false;
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};
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} // namespace Media
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