mirror of
https://github.com/isledecomp/SIEdit.git
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199 lines
3.7 KiB
C++
199 lines
3.7 KiB
C++
#ifndef MEDIAPANEL_H
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#define MEDIAPANEL_H
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libavcodec/avcodec.h>
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#include <libswscale/swscale.h>
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#include <libswresample/swresample.h>
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}
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#include <file.h>
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#include <object.h>
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#include <QAudioFormat>
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#include <QAudioOutput>
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#include <QAudioSink>
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#include <QCheckBox>
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#include <QLabel>
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#include <QPushButton>
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#include <QSlider>
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#include <QTimer>
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#include "panel.h"
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class MediaInstance : public QIODevice
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{
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Q_OBJECT
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public:
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MediaInstance(QObject *parent = nullptr);
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void Open(const si::bytearray &buf);
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void Close();
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AVMediaType codec_type() const
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{
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return m_Stream ? m_Stream->codecpar->codec_type : AVMEDIA_TYPE_UNKNOWN;
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}
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bool StartPlayingAudio(const QAudioDevice &output_dev, const QAudioFormat &fmt);
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void Seek(float seconds);
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int GetNextFrame(AVFrame *frame);
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qint64 ReadAudio(char *data, qint64 maxlen);
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QImage GetVideoFrame(float f);
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float GetTime() const
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{
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return float(m_Frame->pts) / m_duration;
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}
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float GetDuration() const
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{
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return TimestampToSeconds(m_duration);
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}
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int64_t SecondsToTimestamp(float t) const;
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float TimestampToSeconds(int64_t t) const;
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int64_t SecondsToBytes(float t) const;
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float BytesToSeconds(int64_t t);
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bool IsEndOfFile()
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{
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return m_eof;
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}
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void ResetEOF(bool val = false)
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{
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m_eof = val;
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}
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float GetStartOffset() const { return m_startOffset; }
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void SetStartOffset(const float &m) { m_startOffset = m; }
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void SetVirtualTime(float f);
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float GetVolume() const { return m_volume; }
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void SetVolume(float v) { m_volume = v; }
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signals:
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void EndOfFile();
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protected:
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virtual qint64 readData(char *data, qint64 maxSize) override;
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virtual qint64 writeData(const char *data, qint64 maxSize) override;
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private:
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void ClearQueue();
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AVFormatContext *m_FmtCtx;
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AVStream *m_Stream;
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std::list<AVFrame*> m_FrameQueue;
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AVPacket *m_Packet;
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AVFrame *m_Frame;
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AVCodecContext *m_CodecCtx;
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SwsContext *m_SwsCtx;
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SwrContext *m_SwrCtx;
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bool m_AudioFlushed;
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QByteArray m_AudioBuffer;
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AVIOContext *m_IoCtx;
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si::MemoryBuffer m_Data;
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QAudioFormat m_playbackFormat;
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AVSampleFormat m_AudioOutputSampleFmt;
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float m_startOffset;
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bool m_eof;
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int64_t m_duration;
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float m_virtualPosition;
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float m_volume;
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};
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class MediaPanel : public Panel
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{
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Q_OBJECT
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public:
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MediaPanel(QWidget *parent = nullptr);
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virtual ~MediaPanel() override;
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bool IsPlaying() const
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{
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return m_PlaybackTimer->isActive();
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}
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const std::vector<MediaInstance *> &GetMediaInstances() const
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{
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return m_mediaInstances;
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}
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protected:
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virtual void OnOpeningData(void *data) override;
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virtual void OnClosingData(void *data) override;
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private:
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void Close();
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void VideoUpdate(float t);
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static const int SECONDS_INTERVAL = 10;
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float GetSecondsFromSlider() const;
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void SetSecondsOnSlider(float s);
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static int GetSliderValueForSeconds(float s);
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void OpenMediaInstance(si::Object *o);
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std::vector<QLabel *> m_imgViewers;
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std::vector<MediaInstance *> m_mediaInstances;
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std::vector<QAudioSink *> m_audioSinks;
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QSlider *m_PlayheadSlider;
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QPushButton *m_PlayBtn;
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QTimer *m_PlaybackTimer;
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qint64 m_PlaybackStart;
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float m_PlaybackOffset;
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QVBoxLayout *m_viewerLayout;
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private slots:
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void Play(bool e);
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void TimerUpdate();
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void UpdateVideo();
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void SliderPressed();
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void SliderMoved(int i);
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void SliderReleased();
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void LabelContextMenuTriggered(const QPoint &pos);
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void ClearAudioSinks();
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};
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class ClickableSlider : public QSlider
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{
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Q_OBJECT
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public:
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ClickableSlider(Qt::Orientation orientation, QWidget *parent = nullptr);
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ClickableSlider(QWidget *parent = nullptr);
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protected:
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virtual void mousePressEvent(QMouseEvent *e) override;
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};
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#endif // MEDIAPANEL_H
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