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[skottie] Use seekFrame in skottie2movie

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Produces more precise frame synchronization.

Change-Id: Ie9cd85cfbcab9eca827126feae48bb6836795983
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/256217
Auto-Submit: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
This commit is contained in:
Florin Malita 2019-11-24 15:42:24 -05:00 committed by Skia Commit-Bot
parent 9c0c92b2db
commit dd5ba942eb
1 changed files with 7 additions and 14 deletions
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21
tools/skottie2movie.cpp
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@ -29,8 +29,8 @@ static DEFINE_bool2(loop, l, false, "loop mode for profiling");
static DEFINE_int(set_dst_width, 0, "set destination width (height will be computed)");
static DEFINE_bool2(gpu, g, false, "use GPU for rendering");
static void produce_frame(SkSurface* surf, skottie::Animation* anim, double frame_time) {
anim->seekFrameTime(frame_time);
static void produce_frame(SkSurface* surf, skottie::Animation* anim, double frame) {
anim->seekFrame(frame);
surf->getCanvas()->clear(SK_ColorWHITE);
anim->render(surf->getCanvas());
}
@ -73,12 +73,8 @@ int main(int argc, char** argv) {
SkISize dim = animation->size().toRound();
double duration = animation->duration();
int fps = FLAGS_fps;
if (fps < 1) {
fps = 1;
} else if (fps > 240) {
fps = 240;
}
int fps = SkTPin(FLAGS_fps, 1, 240);
double fps_scale = animation->fps() / fps;
float scale = 1;
if (FLAGS_set_dst_width > 0) {
@ -130,15 +126,12 @@ int main(int argc, char** argv) {
}
for (int i = 0; i <= frames; ++i) {
double ts = i * 1.0 / fps;
const double frame = i * fps_scale;
if (FLAGS_verbose) {
SkDebugf("rendering frame %d ts %g\n", i, ts);
SkDebugf("rendering frame %g\n", frame);
}
double normal_time = i * 1.0 / frames;
double frame_time = normal_time * duration;
produce_frame(surf.get(), animation.get(), frame_time);
produce_frame(surf.get(), animation.get(), frame);
AsyncRec asyncRec = { info, &encoder };
if (context) {