blob: 107f8ebfa4e8f72598ead0856444e42102c04395 [file] [log] [blame]
/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "experimental/ffmpeg/SkVideoDecoder.h"
#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkStream.h"
class VideoDecoderGM : public skiagm::GM {
SkVideoDecoder fDecoder;
public:
VideoDecoderGM() {}
protected:
SkString onShortName() override {
return SkString("videodecoder");
}
SkISize onISize() override {
return SkISize::Make(1024, 768);
}
void onOnceBeforeDraw() override {
if (!fDecoder.loadStream(SkStream::MakeFromFile("/skia/ice.mp4"))) {
SkDebugf("could not load movie file\n");
}
SkDebugf("duration %g\n", fDecoder.duration());
}
void onDraw(SkCanvas* canvas) override {
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);
}
}
bool onAnimate(double nanos) override {
return true;
}
private:
using INHERITED = GM;
};
DEF_GM( return new VideoDecoderGM; )