VideoDecoderGM Class Reference

Inheritance diagram for VideoDecoderGM:

Public Member Functions
	VideoDecoderGM ()
Public Member Functions inherited from skiagm::GM
	GM (SkColor backgroundColor=SK_ColorWHITE)
virtual	~GM ()
void	setMode (Mode mode)
Mode	getMode () const
DrawResult	gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
void	gpuTeardown ()
void	onceBeforeDraw ()
DrawResult	draw (SkCanvas *canvas)
DrawResult	draw (SkCanvas *, SkString *errorMsg)
void	drawBackground (SkCanvas *)
DrawResult	drawContent (SkCanvas *canvas)
DrawResult	drawContent (SkCanvas *, SkString *errorMsg)
virtual SkISize	getISize ()=0
virtual SkString	getName () const =0
virtual bool	runAsBench () const
SkScalar	width ()
SkScalar	height ()
SkColor	getBGColor () const
void	setBGColor (SkColor)
void	drawSizeBounds (SkCanvas *, SkColor)
bool	animate (double)
virtual bool	onChar (SkUnichar)
bool	getControls (SkMetaData *controls)
void	setControls (const SkMetaData &controls)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	isBazelOnly () const
virtual std::map< std::string, std::string >	getGoldKeys () const

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onOnceBeforeDraw () override
void	onDraw (SkCanvas *canvas) override
bool	onAnimate (double nanos) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onOnceBeforeDraw ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual void	onDraw (SkCanvas *)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Additional Inherited Members
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 13 of file video_decoder.cpp.

Constructor & Destructor Documentation

VideoDecoderGM()

VideoDecoderGM::VideoDecoderGM ( )

inline

Definition at line 17 of file video_decoder.cpp.

{}

Member Function Documentation

getISize()

SkISize VideoDecoderGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 22 of file video_decoder.cpp.

{ return SkISize::Make(1024, 768); }

getName()

SkString VideoDecoderGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 20 of file video_decoder.cpp.

{ return SkString("videodecoder"); }

onAnimate()

bool VideoDecoderGM::onAnimate ( double  nanos )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 53 of file video_decoder.cpp.

                                          {
        return true;
    }

onDraw()

void VideoDecoderGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 31 of file video_decoder.cpp.

                                           {
        auto* rContext = canvas->recordingContext();
        if (!rContext) {
            return;
        }
 
        fDecoder.setGrContext(rContext);  // context can change over time in viewer
 
        double timeStamp;
        auto img = fDecoder.nextImage(&timeStamp);
        if (!img) {
            (void)fDecoder.rewind();
            img = fDecoder.nextImage(&timeStamp);
        }
        if (img) {
            if (0) {
                SkDebugf("ts %g\n", timeStamp);
            }
            canvas->drawImage(img, 10, 10);
        }
    }

onOnceBeforeDraw()

void VideoDecoderGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 24 of file video_decoder.cpp.

                                     {
        if (!fDecoder.loadStream(SkStream::MakeFromFile("/skia/ice.mp4"))) {
            SkDebugf("could not load movie file\n");
        }
        SkDebugf("duration %g\n", fDecoder.duration());
    }

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

• third_party/skia/gm/video_decoder.cpp