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Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
MythVideoOutputNull Class Reference

#include <mythvideooutnull.h>

Inheritance diagram for MythVideoOutputNull:
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Collaboration diagram for MythVideoOutputNull:
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Public Member Functions

 ~MythVideoOutputNull () override=default
 
bool Init (QSize VideoDim, QSize VideoDispDim, float Aspect, QRect DisplayVisibleRect, MythCodecID CodecID) override
 
void SetDeinterlacing (bool Enable, bool DoubleRate, MythDeintType Force=DEINT_NONE) override
 
void PrepareFrame (MythVideoFrame *Frame, FrameScanType Scan) override
 
void RenderFrame (MythVideoFrame *Frame, FrameScanType Scan) override
 
void RenderEnd () override
 
void EndFrame () override
 
bool InputChanged (QSize VideoDim, QSize VideoDispDim, float Aspect, MythCodecID CodecID, bool &AspectOnly, int ReferenceFrames, bool ForceChange) override
 Tells video output to discard decoded frames and wait for new ones. More...
 
- Public Member Functions inherited from MythVideoOutput
 ~MythVideoOutput () override=default
 
virtual void SetVideoFrameRate (float VideoFrameRate)
 
virtual void GetOSDBounds (QRect &Total, QRect &Visible, float &VisibleAspect, float &FontScaling, float ThemeAspect) const
 
virtual void SetFramesPlayed (long long FramesPlayed)
 
virtual long long GetFramesPlayed ()
 
bool IsErrored () const
 
VideoErrorState GetError () const
 
void SetPrebuffering (bool Normal)
 Sets whether to use a normal number of buffers or fewer buffers. More...
 
virtual void ClearAfterSeek ()
 Tells video output to toss decoded buffers due to a seek. More...
 
virtual int ValidVideoFrames () const
 Returns number of frames that are fully decoded. More...
 
int FreeVideoFrames ()
 Returns number of frames available for decoding onto. More...
 
bool EnoughFreeFrames ()
 Returns true iff enough frames are available to decode onto. More...
 
bool EnoughDecodedFrames ()
 Returns true iff there are plenty of decoded frames ready for display. More...
 
virtual MythVideoFrameGetNextFreeFrame ()
 Blocks until it is possible to return a frame for decoding onto. More...
 
virtual void ReleaseFrame (MythVideoFrame *Frame)
 Releases a frame from the ready for decoding queue onto the queue of frames ready for display. More...
 
virtual void DeLimboFrame (MythVideoFrame *Frame)
 Releases a frame for reuse if it is in limbo. More...
 
virtual void StartDisplayingFrame ()
 Tell GetLastShownFrame() to return the next frame from the head of the queue of frames to display. More...
 
virtual void DoneDisplayingFrame (MythVideoFrame *Frame)
 Releases frame returned from GetLastShownFrame() onto the queue of frames ready for decoding onto. More...
 
virtual void DiscardFrame (MythVideoFrame *Frame)
 Releases frame from any queue onto the queue of frames ready for decoding onto. More...
 
virtual void DiscardFrames (bool KeyFrame, bool Flushed)
 Releases all frames not being actively displayed from any queue onto the queue of frames ready for decoding onto. More...
 
virtual void CheckFrameStates ()
 
virtual MythVideoFrameGetLastDecodedFrame ()
 
virtual MythVideoFrameGetLastShownFrame ()
 Returns frame from the head of the ready to be displayed queue, if StartDisplayingFrame has been called. More...
 
QString GetFrameStatus () const
 Returns string with status of each frame for debugging. More...
 
QRect GetImageRect (QRect Rect, QRect *DisplayRect=nullptr)
 translates caption/dvd button rectangle into 'screen' space More...
 
QRect GetSafeRect ()
 Returns a QRect describing an area of the screen on which it is 'safe' to render the On Screen Display. More...
 
PictureAttributeSupported GetSupportedPictureAttributes ()
 
virtual void InitPictureAttributes ()
 
bool HasSoftwareFrames () const
 
virtual void UpdatePauseFrame (std::chrono::milliseconds &, FrameScanType=kScan_Progressive)
 
- Public Member Functions inherited from MythVideoBounds
 MythVideoBounds ()
 
 ~MythVideoBounds () override=default
 
bool InitBounds (QSize VideoDim, QSize VideoDispDim, float Aspect, QRect WindowRect)
 
void SetDisplay (MythDisplay *mDisplay)
 
bool IsEmbedding (void) const
 
bool IsEmbeddingAndHidden () const
 
QSize GetVideoDim (void) const
 
QSize GetVideoDispDim (void) const
 
float GetOverridenVideoAspect (void) const
 
QRect GetDisplayVisibleRect (void) const
 
QRect GetWindowRect (void) const
 
QRect GetRawWindowRect (void) const
 
QRect GetVideoRect (void) const
 
QRect GetDisplayVideoRect (void) const
 
QRect GetEmbeddingRect (void) const
 
bool UsingGuiSize (void) const
 
AdjustFillMode GetAdjustFill (void) const
 
float GetVideoAspect (void) const
 
float GetDisplayAspect (void) const
 
StereoscopicMode GetStereoOverride () const
 
bool VideoIsFullScreen (void) const
 Check whether the video display rect covers the entire window/framebuffer. More...
 
QRegion GetBoundingRegion (void) const
 Return the region of DisplayVisibleRect that lies outside of DisplayVideoRect. More...
 

Static Public Member Functions

static MythVideoOutputNullCreate (QSize VideoDim, QSize VideoDispDim, float VideoAspect, MythCodecID CodecID)
 
static void GetRenderOptions (RenderOptions &Options)
 
- Static Public Member Functions inherited from MythVideoOutput
static void GetRenderOptions (RenderOptions &Options, MythRender *Render)
 

Protected Member Functions

 MythVideoOutputNull ()=default
 
- Protected Member Functions inherited from MythVideoOutput
 MythVideoOutput ()
 
QRect GetVisibleOSDBounds (float &VisibleAspect, float &FontScaling, float ThemeAspect) const
 Returns visible portions of total OSD bounds. More...
 

Additional Inherited Members

- Public Slots inherited from MythVideoBounds
void RefreshVideoBoundsState ()
 Send out latest state to listeners. More...
 
void ScreenChanged (QScreen *screen)
 
void PhysicalDPIChanged (qreal)
 
void SourceChanged (QSize VideoDim, QSize VideoDispDim, float Aspect)
 Update for new source video dimensions and aspect ratio. More...
 
void VideoAspectRatioChanged (float Aspect)
 Calls SetVideoAspectRatio(float aspect), then calls MoveResize() to apply changes. More...
 
virtual void EmbedPlayback (bool Embed, QRect Rect)
 
void ToggleAdjustFill (AdjustFillMode AdjustFillMode=kAdjustFill_Toggle)
 Sets up letterboxing for various standard video frame and monitor dimensions, then calls MoveResize() to apply them. More...
 
void ToggleAspectOverride (AspectOverrideMode AspectMode=kAspect_Toggle)
 Enforce different aspect ratio than detected, then calls VideoAspectRatioChanged(float) to apply them. More...
 
void ResizeDisplayWindow (QRect Rect, bool SaveVisibleRect)
 Resize Display Window. More...
 
void MoveResize (void)
 performs all the calculations for video framing and any resizing. More...
 
void Zoom (ZoomDirection Direction)
 Sets up zooming into to different parts of the video. More...
 
void ToggleMoveBottomLine (void)
 
void SaveBottomLine (void)
 
void SetVideoScalingAllowed (bool Change)
 Disable or enable underscan/overscan. More...
 
void SetDisplayAspect (float DisplayAspect)
 
void SetWindowSize (QSize Size)
 
void SetITVResize (QRect Rect)
 
void SetRotation (int Rotation)
 Set the rotation in degrees. More...
 
void SetStereoOverride (StereoscopicMode Mode)
 
- Signals inherited from MythVideoBounds
void UpdateOSDMessage (const QString &Message)
 
void VideoSizeChanged (const QSize &VideoDim, const QSize &VideoDispDim)
 
void VideoRectsChanged (const QRect &DisplayVideoRect, const QRect &VideoRect)
 
void VisibleRectChanged (const QRect &DisplayVisibleRect)
 
void WindowRectChanged (const QRect &WindowRect)
 
void VideoBoundsStateChanged (MythVideoBoundsState VideoState)
 
- Protected Attributes inherited from MythVideoOutput
MythVideoColourSpace m_videoColourSpace
 
LetterBoxColour m_dbLetterboxColour { kLetterBoxColour_Black }
 
uint8_t m_clearColor { 0 }
 
uint8_t m_clearAlpha { 255 }
 
MythCodecID m_videoCodecID { kCodec_NONE }
 
int m_maxReferenceFrames { 16 }
 
MythVideoProfilePtr m_videoProfile { nullptr }
 
VideoBuffers m_videoBuffers
 
VideoErrorState m_errorState { kError_None }
 
long long m_framesPlayed { 0 }
 
MythAVCopy m_copyFrame
 
MythDeinterlacer m_deinterlacer
 
const VideoFrameTypesm_renderFormats { &MythVideoFrame::kDefaultRenderFormats }
 
bool m_deinterlacing { false }
 
bool m_deinterlacing2X { false }
 
MythDeintType m_forcedDeinterlacer { DEINT_NONE }
 
- Protected Attributes inherited from MythVideoBounds
MythDisplaym_display {nullptr}
 

Detailed Description

Definition at line 7 of file mythvideooutnull.h.

Constructor & Destructor Documentation

◆ ~MythVideoOutputNull()

MythVideoOutputNull::~MythVideoOutputNull ( )
overridedefault

◆ MythVideoOutputNull()

MythVideoOutputNull::MythVideoOutputNull ( )
protecteddefault

Referenced by Create().

Member Function Documentation

◆ Create()

MythVideoOutputNull * MythVideoOutputNull::Create ( QSize  VideoDim,
QSize  VideoDispDim,
float  VideoAspect,
MythCodecID  CodecID 
)
static

Definition at line 52 of file mythvideooutnull.cpp.

Referenced by MythPlayer::InitVideo().

◆ GetRenderOptions()

void MythVideoOutputNull::GetRenderOptions ( RenderOptions Options)
static

Definition at line 15 of file mythvideooutnull.cpp.

Referenced by MythVideoOutput::GetRenderOptions().

◆ Init()

bool MythVideoOutputNull::Init ( QSize  VideoDim,
QSize  VideoDispDim,
float  Aspect,
QRect  DisplayVisibleRect,
MythCodecID  CodecID 
)
overridevirtual

Reimplemented from MythVideoOutput.

Definition at line 105 of file mythvideooutnull.cpp.

◆ SetDeinterlacing()

void MythVideoOutputNull::SetDeinterlacing ( bool  Enable,
bool  DoubleRate,
MythDeintType  Force = DEINT_NONE 
)
overridevirtual

Reimplemented from MythVideoOutput.

Definition at line 131 of file mythvideooutnull.cpp.

◆ PrepareFrame()

void MythVideoOutputNull::PrepareFrame ( MythVideoFrame Frame,
FrameScanType  Scan 
)
overridevirtual

Implements MythVideoOutput.

Definition at line 154 of file mythvideooutnull.cpp.

◆ RenderFrame()

void MythVideoOutputNull::RenderFrame ( MythVideoFrame Frame,
FrameScanType  Scan 
)
overridevirtual

Implements MythVideoOutput.

Definition at line 145 of file mythvideooutnull.cpp.

◆ RenderEnd()

void MythVideoOutputNull::RenderEnd ( )
inlineoverridevirtual

Implements MythVideoOutput.

Definition at line 20 of file mythvideooutnull.h.

◆ EndFrame()

void MythVideoOutputNull::EndFrame ( )
inlineoverridevirtual

Implements MythVideoOutput.

Definition at line 21 of file mythvideooutnull.h.

◆ InputChanged()

bool MythVideoOutputNull::InputChanged ( QSize  VideoDim,
QSize  VideoDispDim,
float  VideoAspect,
MythCodecID  CodecID,
bool AspectChanged,
int  ReferenceFrames,
bool  ForceChange 
)
overridevirtual

Tells video output to discard decoded frames and wait for new ones.

Bug:
We set the new width height and aspect ratio here, but we should do this based on the new video frames in Show().

Reimplemented from MythVideoOutput.

Definition at line 62 of file mythvideooutnull.cpp.


The documentation for this class was generated from the following files: