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Merge "WebPGetFeatures() behavior change:"

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James Zern 2013-03-05 17:03:20 -08:00 committed by Gerrit Code Review
commit 4d0f7c5543
2 changed files with 4 additions and 9 deletions
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8
src/dec/webp.c
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@ -672,19 +672,13 @@ int WebPInitDecoderConfigInternal(WebPDecoderConfig* config,
VP8StatusCode WebPGetFeaturesInternal(const uint8_t* data, size_t data_size,
WebPBitstreamFeatures* features,
int version) {
VP8StatusCode status;
if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DECODER_ABI_VERSION)) {
return VP8_STATUS_INVALID_PARAM; // version mismatch
}
if (features == NULL) {
return VP8_STATUS_INVALID_PARAM;
}
status = GetFeatures(data, data_size, features);
if (status == VP8_STATUS_NOT_ENOUGH_DATA) {
return VP8_STATUS_BITSTREAM_ERROR; // Not-enough-data treated as error.
}
return status;
return GetFeatures(data, data_size, features);
}
VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size,

5
src/webp/decode.h
View File

@ -411,8 +411,9 @@ WEBP_EXTERN(VP8StatusCode) WebPGetFeaturesInternal(
// Retrieve features from the bitstream. The *features structure is filled
// with information gathered from the bitstream.
// Returns false in case of error or version mismatch.
// In case of error, features->bitstream_status will reflect the error code.
// Returns VP8_STATUS_OK when the features are successfully retrieved. Returns
// VP8_STATUS_NOT_ENOUGH_DATA when more data is needed to retrieved the
// features. Returns error in other cases.
static WEBP_INLINE VP8StatusCode WebPGetFeatures(
const uint8_t* data, size_t data_size,
WebPBitstreamFeatures* features) {