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Mux: support parsing unknown chunks within a frame/fragment.

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Change-Id: I9b4dc36c5ccc4b46f60cd64c1ee21008e20c8b95
This commit is contained in:
Urvang Joshi
2013-07-22 16:40:24 -07:00
parent 8ba1bf61a0
commit 52508a1fe4
4 changed files with 36 additions and 22 deletions
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5
src/mux/muxread.c
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@ -147,6 +147,11 @@ static int MuxImageParse(const WebPChunk* const chunk, int copy_data,
if (!MuxImageFinalize(wpi)) goto Fail;
wpi->is_partial_ = 0; // wpi is completely filled.
break;
case WEBP_CHUNK_UNKNOWN:
if (wpi->is_partial_) goto Fail; // Encountered an unknown chunk
// before some image chunks.
if (ChunkSetNth(&subchunk, &wpi->unknown_, 0) != WEBP_MUX_OK) goto Fail;
break;
default:
goto Fail;
break;