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GetFeatures: Detect invalid VP8X/VP8/VP8L data

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This facilitates early error detection during decode/render.
Also, related refactoring.

Change-Id: Ia6c7cd91dec202a2a68dae2118f5981cf1eaa83d
This commit is contained in:
Urvang Joshi
2013-05-10 14:25:00 -07:00
parent 5818cff770
commit 352d0dee99
5 changed files with 31 additions and 54 deletions
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4
src/mux/muxinternal.c
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@ -486,10 +486,6 @@ WebPMuxError MuxValidate(const WebPMux* const mux) {
// Verify mux has at least one image.
if (mux->images_ == NULL) return WEBP_MUX_INVALID_ARGUMENT;
// Validate that VP8X/VP8/VP8L chunk and canvas size are valid.
err = MuxGetCanvasSize(mux, NULL, NULL);
if (err != WEBP_MUX_OK) return err;
err = WebPMuxGetFeatures(mux, &flags);
if (err != WEBP_MUX_OK) return err;