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Correct size in VP8L header.

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The size written in VP8L header should be without padding.
(Also clarified this code using consts).

Change-Id: Ic6583d760c0f52ef61924ab0330c65c668a12fdc
This commit is contained in:
Urvang Joshi 2012-05-14 11:19:00 +05:30
parent 2924a5aee6
commit 1b04f6d234
1 changed files with 4 additions and 10 deletions
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14
src/enc/vp8l.c
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@ -797,9 +797,6 @@ static WebPEncodingError WriteRiffHeader(const VP8LEncoder* const enc,
'R', 'I', 'F', 'F', 0, 0, 0, 0, 'W', 'E', 'B', 'P', 'R', 'I', 'F', 'F', 0, 0, 0, 0, 'W', 'E', 'B', 'P',
'V', 'P', '8', 'L', 0, 0, 0, 0, LOSSLESS_MAGIC_BYTE, 'V', 'P', '8', 'L', 0, 0, 0, 0, LOSSLESS_MAGIC_BYTE,
}; };
if (riff_size < (vp8l_size + TAG_SIZE + CHUNK_HEADER_SIZE)) {
return VP8_ENC_ERROR_INVALID_CONFIGURATION;
}
PutLE32(riff + TAG_SIZE, (uint32_t)riff_size); PutLE32(riff + TAG_SIZE, (uint32_t)riff_size);
PutLE32(riff + RIFF_HEADER_SIZE + TAG_SIZE, (uint32_t)vp8l_size); PutLE32(riff + RIFF_HEADER_SIZE + TAG_SIZE, (uint32_t)vp8l_size);
if (!pic->writer(riff, sizeof(riff), pic)) { if (!pic->writer(riff, sizeof(riff), pic)) {
@ -821,17 +818,14 @@ static void WriteImageSize(VP8LEncoder* const enc, VP8LBitWriter* const bw) {
static WebPEncodingError WriteImage(const VP8LEncoder* const enc, static WebPEncodingError WriteImage(const VP8LEncoder* const enc,
VP8LBitWriter* const bw, VP8LBitWriter* const bw,
size_t* const coded_size) { size_t* const coded_size) {
size_t riff_size, vp8l_size, webpll_size, pad;
const WebPPicture* const pic = enc->pic_; const WebPPicture* const pic = enc->pic_;
WebPEncodingError err = VP8_ENC_OK; WebPEncodingError err = VP8_ENC_OK;
const uint8_t* const webpll_data = VP8LBitWriterFinish(bw); const uint8_t* const webpll_data = VP8LBitWriterFinish(bw);
const size_t webpll_size = VP8LBitWriterNumBytes(bw);
const size_t vp8l_size = SIGNATURE_SIZE + webpll_size;
const size_t pad = vp8l_size & 1;
const size_t riff_size = TAG_SIZE + CHUNK_HEADER_SIZE + vp8l_size + pad;
webpll_size = VP8LBitWriterNumBytes(bw);
vp8l_size = SIGNATURE_SIZE + webpll_size;
pad = vp8l_size & 1;
vp8l_size += pad;
riff_size = TAG_SIZE + CHUNK_HEADER_SIZE + vp8l_size;
err = WriteRiffHeader(enc, riff_size, vp8l_size); err = WriteRiffHeader(enc, riff_size, vp8l_size);
if (err != VP8_ENC_OK) goto Error; if (err != VP8_ENC_OK) goto Error;