diff options
Diffstat (limited to 'thirdparty/libwebp/src/enc/vp8l_enc.c')
| -rw-r--r-- | thirdparty/libwebp/src/enc/vp8l_enc.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/thirdparty/libwebp/src/enc/vp8l_enc.c b/thirdparty/libwebp/src/enc/vp8l_enc.c index a89184eb08..2efd403f77 100644 --- a/thirdparty/libwebp/src/enc/vp8l_enc.c +++ b/thirdparty/libwebp/src/enc/vp8l_enc.c @@ -462,6 +462,7 @@ static int GetHuffBitLengthsAndCodes( for (i = 0; i < histogram_image_size; ++i) { const VP8LHistogram* const histo = histogram_image->histograms[i]; HuffmanTreeCode* const codes = &huffman_codes[5 * i]; + assert(histo != NULL); for (k = 0; k < 5; ++k) { const int num_symbols = (k == 0) ? VP8LHistogramNumCodes(histo->palette_code_bits_) : @@ -809,6 +810,7 @@ static WebPEncodingError EncodeImageNoHuffman(VP8LBitWriter* const bw, err = VP8_ENC_ERROR_OUT_OF_MEMORY; goto Error; } + VP8LHistogramSetClear(histogram_image); // Build histogram image and symbols from backward references. VP8LHistogramStoreRefs(refs, histogram_image->histograms[0]); @@ -1248,14 +1250,20 @@ static WebPEncodingError MakeInputImageCopy(VP8LEncoder* const enc) { const WebPPicture* const picture = enc->pic_; const int width = picture->width; const int height = picture->height; - int y; + err = AllocateTransformBuffer(enc, width, height); if (err != VP8_ENC_OK) return err; if (enc->argb_content_ == kEncoderARGB) return VP8_ENC_OK; - for (y = 0; y < height; ++y) { - memcpy(enc->argb_ + y * width, - picture->argb + y * picture->argb_stride, - width * sizeof(*enc->argb_)); + + { + uint32_t* dst = enc->argb_; + const uint32_t* src = picture->argb; + int y; + for (y = 0; y < height; ++y) { + memcpy(dst, src, width * sizeof(*dst)); + dst += width; + src += picture->argb_stride; + } } enc->argb_content_ = kEncoderARGB; assert(enc->current_width_ == width); |