diff options
Diffstat (limited to 'third_party/libwebp/enc/vp8l.c')
| -rw-r--r-- | third_party/libwebp/enc/vp8l.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/third_party/libwebp/enc/vp8l.c b/third_party/libwebp/enc/vp8l.c index 945870c..1572631 100644 --- a/third_party/libwebp/enc/vp8l.c +++ b/third_party/libwebp/enc/vp8l.c @@ -25,10 +25,6 @@ #include "../utils/utils.h" #include "../webp/format_constants.h" -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - #define PALETTE_KEY_RIGHT_SHIFT 22 // Key for 1K buffer. #define MAX_HUFF_IMAGE_SIZE (16 * 1024 * 1024) #define MAX_COLORS_FOR_GRAPH 64 @@ -168,9 +164,6 @@ static int VP8LEncAnalyze(VP8LEncoder* const enc, WebPImageHint image_hint) { } if (pred_entropy < 0.95 * non_pred_entropy) { enc->use_predict_ = 1; - // TODO(vikasa): Observed some correlation of cross_color transform with - // predict. Need to investigate this further and add separate heuristic - // for setting use_cross_color flag. enc->use_cross_color_ = 1; } } @@ -451,12 +444,12 @@ static void StoreImageToBitMask( int bits, n_bits; int code, distance; - PrefixEncode(v->len, &code, &n_bits, &bits); + VP8LPrefixEncode(v->len, &code, &n_bits, &bits); WriteHuffmanCode(bw, codes, 256 + code); VP8LWriteBits(bw, n_bits, bits); distance = PixOrCopyDistance(v); - PrefixEncode(distance, &code, &n_bits, &bits); + VP8LPrefixEncode(distance, &code, &n_bits, &bits); WriteHuffmanCode(bw, codes + 4, code); VP8LWriteBits(bw, n_bits, bits); } @@ -702,7 +695,7 @@ static int ApplyCrossColorFilter(const VP8LEncoder* const enc, const int ccolor_transform_bits = enc->transform_bits_; const int transform_width = VP8LSubSampleSize(width, ccolor_transform_bits); const int transform_height = VP8LSubSampleSize(height, ccolor_transform_bits); - const int step = (quality == 0) ? 32 : 8; + const int step = (quality < 25) ? 32 : (quality > 50) ? 8 : 16; VP8LColorSpaceTransform(width, height, ccolor_transform_bits, step, enc->argb_, enc->transform_data_); @@ -827,7 +820,7 @@ static void ApplyPalette(uint32_t* src, uint32_t* dst, } if (use_LUT) { - int inv_palette[MAX_PALETTE_SIZE] = { 0 }; + uint8_t inv_palette[MAX_PALETTE_SIZE] = { 0 }; for (i = 0; i < palette_size; ++i) { const int color = (palette[i] >> 8) & 0xff; inv_palette[color] = i; @@ -895,7 +888,7 @@ static WebPEncodingError EncodePalette(VP8LBitWriter* const bw, if (err != VP8_ENC_OK) goto Error; dst = enc->argb_; - row = WebPSafeMalloc((uint64_t)width, sizeof(*row)); + row = (uint8_t*)WebPSafeMalloc((uint64_t)width, sizeof(*row)); if (row == NULL) return VP8_ENC_ERROR_OUT_OF_MEMORY; ApplyPalette(src, dst, pic->argb_stride, enc->current_width_, @@ -959,6 +952,9 @@ static VP8LEncoder* VP8LEncoderNew(const WebPConfig* const config, } enc->config_ = config; enc->pic_ = picture; + + VP8LDspInit(); + return enc; } @@ -1170,6 +1166,3 @@ int VP8LEncodeImage(const WebPConfig* const config, //------------------------------------------------------------------------------ -#if defined(__cplusplus) || defined(c_plusplus) -} // extern "C" -#endif |