Cross Reference: /external/webp/src/enc/syntax.c

Lines Matching refs:bw
187 static void PutSegmentHeader(VP8BitWriter* const bw,
191   if (VP8PutBitUniform(bw, (hdr->num_segments_ > 1))) {
195     VP8PutBitUniform(bw, hdr->update_map_);
196     if (VP8PutBitUniform(bw, update_data)) {
198       VP8PutBitUniform(bw, 1);   // (segment_feature_mode = 1. Paragraph 9.3.)
200         VP8PutSignedValue(bw, enc->dqm_[s].quant_, 7);
203         VP8PutSignedValue(bw, enc->dqm_[s].fstrength_, 6);
208         if (VP8PutBitUniform(bw, (proba->segments_[s] != 255u))) {
209           VP8PutValue(bw, proba->segments_[s], 8);
217 static void PutFilterHeader(VP8BitWriter* const bw,
220   VP8PutBitUniform(bw, hdr->simple_);
221   VP8PutValue(bw, hdr->level_, 6);
222   VP8PutValue(bw, hdr->sharpness_, 3);
223   if (VP8PutBitUniform(bw, use_lf_delta)) {
226     if (VP8PutBitUniform(bw, need_update)) {
228       VP8PutValue(bw, 0, 4);
230       VP8PutSignedValue(bw, hdr->i4x4_lf_delta_, 6);
231       VP8PutValue(bw, 0, 3);    // all others unused
237 static void PutQuant(VP8BitWriter* const bw,
239   VP8PutValue(bw, enc->base_quant_, 7);
240   VP8PutSignedValue(bw, enc->dq_y1_dc_, 4);
241   VP8PutSignedValue(bw, enc->dq_y2_dc_, 4);
242   VP8PutSignedValue(bw, enc->dq_y2_ac_, 4);
243   VP8PutSignedValue(bw, enc->dq_uv_dc_, 4);
244   VP8PutSignedValue(bw, enc->dq_uv_ac_, 4);
267   VP8BitWriter* const bw = &enc->bw_;
271   pos1 = VP8BitWriterPos(bw);
272   if (!VP8BitWriterInit(bw, mb_size * 7 / 8)) {        // ~7 bits per macroblock
275   VP8PutBitUniform(bw, 0);   // colorspace
276   VP8PutBitUniform(bw, 0);   // clamp type
278   PutSegmentHeader(bw, enc);
279   PutFilterHeader(bw, &enc->filter_hdr_);
280   VP8PutValue(bw, enc->num_parts_ == 8 ? 3 :
283   PutQuant(bw, enc);
284   VP8PutBitUniform(bw, 0);   // no proba update
285   VP8WriteProbas(bw, &enc->proba_);
286   pos2 = VP8BitWriterPos(bw);
288   VP8BitWriterFinish(bw);
290   pos3 = VP8BitWriterPos(bw);
297   if (bw->error_) {
313   VP8BitWriter* const bw = &enc->bw_;
327              VP8BitWriterSize(bw) +
353     const uint8_t* const part0 = VP8BitWriterBuf(bw);
354     const size_t size0 = VP8BitWriterSize(bw);
358     VP8BitWriterWipeOut(bw);    // will free the internal buffer.