diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/enc/backward_references_enc.c')
-rw-r--r-- | src/3rdparty/libwebp/src/enc/backward_references_enc.c | 86 |
1 files changed, 62 insertions, 24 deletions
diff --git a/src/3rdparty/libwebp/src/enc/backward_references_enc.c b/src/3rdparty/libwebp/src/enc/backward_references_enc.c index 519b36a..49a0fac 100644 --- a/src/3rdparty/libwebp/src/enc/backward_references_enc.c +++ b/src/3rdparty/libwebp/src/enc/backward_references_enc.c @@ -10,6 +10,8 @@ // Author: Jyrki Alakuijala (jyrki@google.com) // +#include "src/enc/backward_references_enc.h" + #include <assert.h> #include <float.h> #include <math.h> @@ -17,10 +19,11 @@ #include "src/dsp/dsp.h" #include "src/dsp/lossless.h" #include "src/dsp/lossless_common.h" -#include "src/enc/backward_references_enc.h" #include "src/enc/histogram_enc.h" +#include "src/enc/vp8i_enc.h" #include "src/utils/color_cache_utils.h" #include "src/utils/utils.h" +#include "src/webp/encode.h" #define MIN_BLOCK_SIZE 256 // minimum block size for backward references @@ -255,10 +258,13 @@ static WEBP_INLINE int MaxFindCopyLength(int len) { int VP8LHashChainFill(VP8LHashChain* const p, int quality, const uint32_t* const argb, int xsize, int ysize, - int low_effort) { + int low_effort, const WebPPicture* const pic, + int percent_range, int* const percent) { const int size = xsize * ysize; const int iter_max = GetMaxItersForQuality(quality); const uint32_t window_size = GetWindowSizeForHashChain(quality, xsize); + int remaining_percent = percent_range; + int percent_start = *percent; int pos; int argb_comp; uint32_t base_position; @@ -276,7 +282,13 @@ int VP8LHashChainFill(VP8LHashChain* const p, int quality, hash_to_first_index = (int32_t*)WebPSafeMalloc(HASH_SIZE, sizeof(*hash_to_first_index)); - if (hash_to_first_index == NULL) return 0; + if (hash_to_first_index == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + return 0; + } + + percent_range = remaining_percent / 2; + remaining_percent -= percent_range; // Set the int32_t array to -1. memset(hash_to_first_index, 0xff, HASH_SIZE * sizeof(*hash_to_first_index)); @@ -323,12 +335,22 @@ int VP8LHashChainFill(VP8LHashChain* const p, int quality, hash_to_first_index[hash_code] = pos++; argb_comp = argb_comp_next; } + + if (!WebPReportProgress( + pic, percent_start + percent_range * pos / (size - 2), percent)) { + WebPSafeFree(hash_to_first_index); + return 0; + } } // Process the penultimate pixel. chain[pos] = hash_to_first_index[GetPixPairHash64(argb + pos)]; WebPSafeFree(hash_to_first_index); + percent_start += percent_range; + if (!WebPReportProgress(pic, percent_start, percent)) return 0; + percent_range = remaining_percent; + // Find the best match interval at each pixel, defined by an offset to the // pixel and a length. The right-most pixel cannot match anything to the right // (hence a best length of 0) and the left-most pixel nothing to the left @@ -417,8 +439,17 @@ int VP8LHashChainFill(VP8LHashChain* const p, int quality, max_base_position = base_position; } } + + if (!WebPReportProgress(pic, + percent_start + percent_range * + (size - 2 - base_position) / + (size - 2), + percent)) { + return 0; + } } - return 1; + + return WebPReportProgress(pic, percent_start + percent_range, percent); } static WEBP_INLINE void AddSingleLiteral(uint32_t pixel, int use_color_cache, @@ -728,7 +759,7 @@ static int CalculateBestCacheSize(const uint32_t* argb, int quality, int* const best_cache_bits) { int i; const int cache_bits_max = (quality <= 25) ? 0 : *best_cache_bits; - double entropy_min = MAX_ENTROPY; + float entropy_min = MAX_ENTROPY; int cc_init[MAX_COLOR_CACHE_BITS + 1] = { 0 }; VP8LColorCache hashers[MAX_COLOR_CACHE_BITS + 1]; VP8LRefsCursor c = VP8LRefsCursorInit(refs); @@ -813,14 +844,14 @@ static int CalculateBestCacheSize(const uint32_t* argb, int quality, } for (i = 0; i <= cache_bits_max; ++i) { - const double entropy = VP8LHistogramEstimateBits(histos[i]); + const float entropy = VP8LHistogramEstimateBits(histos[i]); if (i == 0 || entropy < entropy_min) { entropy_min = entropy; *best_cache_bits = i; } } ok = 1; -Error: + Error: for (i = 0; i <= cache_bits_max; ++i) { if (cc_init[i]) VP8LColorCacheClear(&hashers[i]); VP8LFreeHistogram(histos[i]); @@ -890,7 +921,7 @@ static int GetBackwardReferences(int width, int height, int i, lz77_type; // Index 0 is for a color cache, index 1 for no cache (if needed). int lz77_types_best[2] = {0, 0}; - double bit_costs_best[2] = {DBL_MAX, DBL_MAX}; + float bit_costs_best[2] = {FLT_MAX, FLT_MAX}; VP8LHashChain hash_chain_box; VP8LBackwardRefs* const refs_tmp = &refs[do_no_cache ? 2 : 1]; int status = 0; @@ -902,7 +933,7 @@ static int GetBackwardReferences(int width, int height, for (lz77_type = 1; lz77_types_to_try; lz77_types_to_try &= ~lz77_type, lz77_type <<= 1) { int res = 0; - double bit_cost = 0.; + float bit_cost = 0.f; if ((lz77_types_to_try & lz77_type) == 0) continue; switch (lz77_type) { case kLZ77RLE: @@ -976,15 +1007,16 @@ static int GetBackwardReferences(int width, int height, const VP8LHashChain* const hash_chain_tmp = (lz77_types_best[i] == kLZ77Standard) ? hash_chain : &hash_chain_box; const int cache_bits = (i == 1) ? 0 : *cache_bits_best; - if (VP8LBackwardReferencesTraceBackwards(width, height, argb, cache_bits, - hash_chain_tmp, &refs[i], - refs_tmp)) { - double bit_cost_trace; - VP8LHistogramCreate(histo, refs_tmp, cache_bits); - bit_cost_trace = VP8LHistogramEstimateBits(histo); - if (bit_cost_trace < bit_costs_best[i]) { - BackwardRefsSwap(refs_tmp, &refs[i]); - } + float bit_cost_trace; + if (!VP8LBackwardReferencesTraceBackwards(width, height, argb, cache_bits, + hash_chain_tmp, &refs[i], + refs_tmp)) { + goto Error; + } + VP8LHistogramCreate(histo, refs_tmp, cache_bits); + bit_cost_trace = VP8LHistogramEstimateBits(histo); + if (bit_cost_trace < bit_costs_best[i]) { + BackwardRefsSwap(refs_tmp, &refs[i]); } } @@ -1000,31 +1032,37 @@ static int GetBackwardReferences(int width, int height, } status = 1; -Error: + Error: VP8LHashChainClear(&hash_chain_box); VP8LFreeHistogram(histo); return status; } -WebPEncodingError VP8LGetBackwardReferences( +int VP8LGetBackwardReferences( int width, int height, const uint32_t* const argb, int quality, int low_effort, int lz77_types_to_try, int cache_bits_max, int do_no_cache, const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs, - int* const cache_bits_best) { + int* const cache_bits_best, const WebPPicture* const pic, int percent_range, + int* const percent) { if (low_effort) { VP8LBackwardRefs* refs_best; *cache_bits_best = cache_bits_max; refs_best = GetBackwardReferencesLowEffort( width, height, argb, cache_bits_best, hash_chain, refs); - if (refs_best == NULL) return VP8_ENC_ERROR_OUT_OF_MEMORY; + if (refs_best == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + return 0; + } // Set it in first position. BackwardRefsSwap(refs_best, &refs[0]); } else { if (!GetBackwardReferences(width, height, argb, quality, lz77_types_to_try, cache_bits_max, do_no_cache, hash_chain, refs, cache_bits_best)) { - return VP8_ENC_ERROR_OUT_OF_MEMORY; + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + return 0; } } - return VP8_ENC_OK; + + return WebPReportProgress(pic, *percent + percent_range, percent); } |