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authorChristian Schneppe <christian@pix-art.de>2016-09-07 21:36:30 +0200
committerChristian Schneppe <christian@pix-art.de>2016-09-07 21:36:30 +0200
commit685341457b310d2b22f4b3048ea50e35e4f6be26 (patch)
tree047fe68b8c81d62a0e00f5e76c1930a9bdfcc7cb /src/main/jni/libwebp/enc/webpenc.c
parent2fa492c3eea4ae1050f4458b9e887b4f9780e2f5 (diff)
optimized imports
Diffstat (limited to '')
-rw-r--r--src/main/jni/libwebp/enc/webpenc.c382
1 files changed, 0 insertions, 382 deletions
diff --git a/src/main/jni/libwebp/enc/webpenc.c b/src/main/jni/libwebp/enc/webpenc.c
deleted file mode 100644
index 0cb83f125..000000000
--- a/src/main/jni/libwebp/enc/webpenc.c
+++ /dev/null
@@ -1,382 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// Use of this source code is governed by a BSD-style license
-// that can be found in the COPYING file in the root of the source
-// tree. An additional intellectual property rights grant can be found
-// in the file PATENTS. All contributing project authors may
-// be found in the AUTHORS file in the root of the source tree.
-// -----------------------------------------------------------------------------
-//
-// WebP encoder: main entry point
-//
-// Author: Skal (pascal.massimino@gmail.com)
-
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "./vp8enci.h"
-#include "./vp8li.h"
-#include "./cost.h"
-#include "../utils/utils.h"
-
-// #define PRINT_MEMORY_INFO
-
-#ifdef PRINT_MEMORY_INFO
-#include <stdio.h>
-#endif
-
-//------------------------------------------------------------------------------
-
-int WebPGetEncoderVersion(void) {
- return (ENC_MAJ_VERSION << 16) | (ENC_MIN_VERSION << 8) | ENC_REV_VERSION;
-}
-
-//------------------------------------------------------------------------------
-// VP8Encoder
-//------------------------------------------------------------------------------
-
-static void ResetSegmentHeader(VP8Encoder* const enc) {
- VP8SegmentHeader* const hdr = &enc->segment_hdr_;
- hdr->num_segments_ = enc->config_->segments;
- hdr->update_map_ = (hdr->num_segments_ > 1);
- hdr->size_ = 0;
-}
-
-static void ResetFilterHeader(VP8Encoder* const enc) {
- VP8FilterHeader* const hdr = &enc->filter_hdr_;
- hdr->simple_ = 1;
- hdr->level_ = 0;
- hdr->sharpness_ = 0;
- hdr->i4x4_lf_delta_ = 0;
-}
-
-static void ResetBoundaryPredictions(VP8Encoder* const enc) {
- // init boundary values once for all
- // Note: actually, initializing the preds_[] is only needed for intra4.
- int i;
- uint8_t* const top = enc->preds_ - enc->preds_w_;
- uint8_t* const left = enc->preds_ - 1;
- for (i = -1; i < 4 * enc->mb_w_; ++i) {
- top[i] = B_DC_PRED;
- }
- for (i = 0; i < 4 * enc->mb_h_; ++i) {
- left[i * enc->preds_w_] = B_DC_PRED;
- }
- enc->nz_[-1] = 0; // constant
-}
-
-// Mapping from config->method_ to coding tools used.
-//-------------------+---+---+---+---+---+---+---+
-// Method | 0 | 1 | 2 | 3 |(4)| 5 | 6 |
-//-------------------+---+---+---+---+---+---+---+
-// fast probe | x | | | x | | | |
-//-------------------+---+---+---+---+---+---+---+
-// dynamic proba | ~ | x | x | x | x | x | x |
-//-------------------+---+---+---+---+---+---+---+
-// fast mode analysis| | | | | x | x | x |
-//-------------------+---+---+---+---+---+---+---+
-// basic rd-opt | | | | x | x | x | x |
-//-------------------+---+---+---+---+---+---+---+
-// disto-score i4/16 | | | x | | | | |
-//-------------------+---+---+---+---+---+---+---+
-// rd-opt i4/16 | | | ~ | x | x | x | x |
-//-------------------+---+---+---+---+---+---+---+
-// token buffer (opt)| | | | x | x | x | x |
-//-------------------+---+---+---+---+---+---+---+
-// Trellis | | | | | | x |Ful|
-//-------------------+---+---+---+---+---+---+---+
-// full-SNS | | | | | x | x | x |
-//-------------------+---+---+---+---+---+---+---+
-
-static void MapConfigToTools(VP8Encoder* const enc) {
- const WebPConfig* const config = enc->config_;
- const int method = config->method;
- const int limit = 100 - config->partition_limit;
- enc->method_ = method;
- enc->rd_opt_level_ = (method >= 6) ? RD_OPT_TRELLIS_ALL
- : (method >= 5) ? RD_OPT_TRELLIS
- : (method >= 3) ? RD_OPT_BASIC
- : RD_OPT_NONE;
- enc->max_i4_header_bits_ =
- 256 * 16 * 16 * // upper bound: up to 16bit per 4x4 block
- (limit * limit) / (100 * 100); // ... modulated with a quadratic curve.
-
- enc->thread_level_ = config->thread_level;
-
- enc->do_search_ = (config->target_size > 0 || config->target_PSNR > 0);
- if (!config->low_memory) {
-#if !defined(DISABLE_TOKEN_BUFFER)
- enc->use_tokens_ = (enc->rd_opt_level_ >= RD_OPT_BASIC); // need rd stats
-#endif
- if (enc->use_tokens_) {
- enc->num_parts_ = 1; // doesn't work with multi-partition
- }
- }
-}
-
-// Memory scaling with dimensions:
-// memory (bytes) ~= 2.25 * w + 0.0625 * w * h
-//
-// Typical memory footprint (614x440 picture)
-// encoder: 22111
-// info: 4368
-// preds: 17741
-// top samples: 1263
-// non-zero: 175
-// lf-stats: 0
-// total: 45658
-// Transient object sizes:
-// VP8EncIterator: 3360
-// VP8ModeScore: 872
-// VP8SegmentInfo: 732
-// VP8Proba: 18352
-// LFStats: 2048
-// Picture size (yuv): 419328
-
-static VP8Encoder* InitVP8Encoder(const WebPConfig* const config,
- WebPPicture* const picture) {
- const int use_filter =
- (config->filter_strength > 0) || (config->autofilter > 0);
- const int mb_w = (picture->width + 15) >> 4;
- const int mb_h = (picture->height + 15) >> 4;
- const int preds_w = 4 * mb_w + 1;
- const int preds_h = 4 * mb_h + 1;
- const size_t preds_size = preds_w * preds_h * sizeof(uint8_t);
- const int top_stride = mb_w * 16;
- const size_t nz_size = (mb_w + 1) * sizeof(uint32_t) + ALIGN_CST;
- const size_t info_size = mb_w * mb_h * sizeof(VP8MBInfo);
- const size_t samples_size = 2 * top_stride * sizeof(uint8_t) // top-luma/u/v
- + ALIGN_CST; // align all
- const size_t lf_stats_size =
- config->autofilter ? sizeof(LFStats) + ALIGN_CST : 0;
- VP8Encoder* enc;
- uint8_t* mem;
- const uint64_t size = (uint64_t)sizeof(VP8Encoder) // main struct
- + ALIGN_CST // cache alignment
- + info_size // modes info
- + preds_size // prediction modes
- + samples_size // top/left samples
- + nz_size // coeff context bits
- + lf_stats_size; // autofilter stats
-
-#ifdef PRINT_MEMORY_INFO
- printf("===================================\n");
- printf("Memory used:\n"
- " encoder: %ld\n"
- " info: %ld\n"
- " preds: %ld\n"
- " top samples: %ld\n"
- " non-zero: %ld\n"
- " lf-stats: %ld\n"
- " total: %ld\n",
- sizeof(VP8Encoder) + ALIGN_CST, info_size,
- preds_size, samples_size, nz_size, lf_stats_size, size);
- printf("Transient object sizes:\n"
- " VP8EncIterator: %ld\n"
- " VP8ModeScore: %ld\n"
- " VP8SegmentInfo: %ld\n"
- " VP8Proba: %ld\n"
- " LFStats: %ld\n",
- sizeof(VP8EncIterator), sizeof(VP8ModeScore),
- sizeof(VP8SegmentInfo), sizeof(VP8Proba),
- sizeof(LFStats));
- printf("Picture size (yuv): %ld\n",
- mb_w * mb_h * 384 * sizeof(uint8_t));
- printf("===================================\n");
-#endif
- mem = (uint8_t*)WebPSafeMalloc(size, sizeof(*mem));
- if (mem == NULL) {
- WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
- return NULL;
- }
- enc = (VP8Encoder*)mem;
- mem = (uint8_t*)DO_ALIGN(mem + sizeof(*enc));
- memset(enc, 0, sizeof(*enc));
- enc->num_parts_ = 1 << config->partitions;
- enc->mb_w_ = mb_w;
- enc->mb_h_ = mb_h;
- enc->preds_w_ = preds_w;
- enc->mb_info_ = (VP8MBInfo*)mem;
- mem += info_size;
- enc->preds_ = ((uint8_t*)mem) + 1 + enc->preds_w_;
- mem += preds_w * preds_h * sizeof(uint8_t);
- enc->nz_ = 1 + (uint32_t*)DO_ALIGN(mem);
- mem += nz_size;
- enc->lf_stats_ = lf_stats_size ? (LFStats*)DO_ALIGN(mem) : NULL;
- mem += lf_stats_size;
-
- // top samples (all 16-aligned)
- mem = (uint8_t*)DO_ALIGN(mem);
- enc->y_top_ = (uint8_t*)mem;
- enc->uv_top_ = enc->y_top_ + top_stride;
- mem += 2 * top_stride;
- assert(mem <= (uint8_t*)enc + size);
-
- enc->config_ = config;
- enc->profile_ = use_filter ? ((config->filter_type == 1) ? 0 : 1) : 2;
- enc->pic_ = picture;
- enc->percent_ = 0;
-
- MapConfigToTools(enc);
- VP8EncDspInit();
- VP8DefaultProbas(enc);
- ResetSegmentHeader(enc);
- ResetFilterHeader(enc);
- ResetBoundaryPredictions(enc);
- VP8GetResidualCostInit();
- VP8SetResidualCoeffsInit();
- VP8EncInitAlpha(enc);
-
- // lower quality means smaller output -> we modulate a little the page
- // size based on quality. This is just a crude 1rst-order prediction.
- {
- const float scale = 1.f + config->quality * 5.f / 100.f; // in [1,6]
- VP8TBufferInit(&enc->tokens_, (int)(mb_w * mb_h * 4 * scale));
- }
- return enc;
-}
-
-static int DeleteVP8Encoder(VP8Encoder* enc) {
- int ok = 1;
- if (enc != NULL) {
- ok = VP8EncDeleteAlpha(enc);
- VP8TBufferClear(&enc->tokens_);
- WebPSafeFree(enc);
- }
- return ok;
-}
-
-//------------------------------------------------------------------------------
-
-static double GetPSNR(uint64_t err, uint64_t size) {
- return (err > 0 && size > 0) ? 10. * log10(255. * 255. * size / err) : 99.;
-}
-
-static void FinalizePSNR(const VP8Encoder* const enc) {
- WebPAuxStats* stats = enc->pic_->stats;
- const uint64_t size = enc->sse_count_;
- const uint64_t* const sse = enc->sse_;
- stats->PSNR[0] = (float)GetPSNR(sse[0], size);
- stats->PSNR[1] = (float)GetPSNR(sse[1], size / 4);
- stats->PSNR[2] = (float)GetPSNR(sse[2], size / 4);
- stats->PSNR[3] = (float)GetPSNR(sse[0] + sse[1] + sse[2], size * 3 / 2);
- stats->PSNR[4] = (float)GetPSNR(sse[3], size);
-}
-
-static void StoreStats(VP8Encoder* const enc) {
- WebPAuxStats* const stats = enc->pic_->stats;
- if (stats != NULL) {
- int i, s;
- for (i = 0; i < NUM_MB_SEGMENTS; ++i) {
- stats->segment_level[i] = enc->dqm_[i].fstrength_;
- stats->segment_quant[i] = enc->dqm_[i].quant_;
- for (s = 0; s <= 2; ++s) {
- stats->residual_bytes[s][i] = enc->residual_bytes_[s][i];
- }
- }
- FinalizePSNR(enc);
- stats->coded_size = enc->coded_size_;
- for (i = 0; i < 3; ++i) {
- stats->block_count[i] = enc->block_count_[i];
- }
- }
- WebPReportProgress(enc->pic_, 100, &enc->percent_); // done!
-}
-
-int WebPEncodingSetError(const WebPPicture* const pic,
- WebPEncodingError error) {
- assert((int)error < VP8_ENC_ERROR_LAST);
- assert((int)error >= VP8_ENC_OK);
- ((WebPPicture*)pic)->error_code = error;
- return 0;
-}
-
-int WebPReportProgress(const WebPPicture* const pic,
- int percent, int* const percent_store) {
- if (percent_store != NULL && percent != *percent_store) {
- *percent_store = percent;
- if (pic->progress_hook && !pic->progress_hook(percent, pic)) {
- // user abort requested
- WebPEncodingSetError(pic, VP8_ENC_ERROR_USER_ABORT);
- return 0;
- }
- }
- return 1; // ok
-}
-//------------------------------------------------------------------------------
-
-int WebPEncode(const WebPConfig* config, WebPPicture* pic) {
- int ok = 0;
-
- if (pic == NULL)
- return 0;
- WebPEncodingSetError(pic, VP8_ENC_OK); // all ok so far
- if (config == NULL) // bad params
- return WebPEncodingSetError(pic, VP8_ENC_ERROR_NULL_PARAMETER);
- if (!WebPValidateConfig(config))
- return WebPEncodingSetError(pic, VP8_ENC_ERROR_INVALID_CONFIGURATION);
- if (pic->width <= 0 || pic->height <= 0)
- return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_DIMENSION);
- if (pic->width > WEBP_MAX_DIMENSION || pic->height > WEBP_MAX_DIMENSION)
- return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_DIMENSION);
-
- if (pic->stats != NULL) memset(pic->stats, 0, sizeof(*pic->stats));
-
- if (!config->lossless) {
- VP8Encoder* enc = NULL;
- if (pic->y == NULL || pic->u == NULL || pic->v == NULL) {
- // Make sure we have YUVA samples.
- if (config->preprocessing & 4) {
-#if WEBP_ENCODER_ABI_VERSION > 0x0204
- if (!WebPPictureSmartARGBToYUVA(pic)) {
- return 0;
- }
-#endif
- } else {
- float dithering = 0.f;
- if (config->preprocessing & 2) {
- const float x = config->quality / 100.f;
- const float x2 = x * x;
- // slowly decreasing from max dithering at low quality (q->0)
- // to 0.5 dithering amplitude at high quality (q->100)
- dithering = 1.0f + (0.5f - 1.0f) * x2 * x2;
- }
- if (!WebPPictureARGBToYUVADithered(pic, WEBP_YUV420, dithering)) {
- return 0;
- }
- }
- }
-
- enc = InitVP8Encoder(config, pic);
- if (enc == NULL) return 0; // pic->error is already set.
- // Note: each of the tasks below account for 20% in the progress report.
- ok = VP8EncAnalyze(enc);
-
- // Analysis is done, proceed to actual coding.
- ok = ok && VP8EncStartAlpha(enc); // possibly done in parallel
- if (!enc->use_tokens_) {
- ok = ok && VP8EncLoop(enc);
- } else {
- ok = ok && VP8EncTokenLoop(enc);
- }
- ok = ok && VP8EncFinishAlpha(enc);
-
- ok = ok && VP8EncWrite(enc);
- StoreStats(enc);
- if (!ok) {
- VP8EncFreeBitWriters(enc);
- }
- ok &= DeleteVP8Encoder(enc); // must always be called, even if !ok
- } else {
- // Make sure we have ARGB samples.
- if (pic->argb == NULL && !WebPPictureYUVAToARGB(pic)) {
- return 0;
- }
-
- ok = VP8LEncodeImage(config, pic); // Sets pic->error in case of problem.
- }
-
- return ok;
-}