187 static void PutSegmentHeader(VP8BitWriter* const bw,  in PutSegmentHeader()  argument
191   if (VP8PutBitUniform(bw, (hdr->num_segments_ > 1))) {  in PutSegmentHeader()
195     VP8PutBitUniform(bw, hdr->update_map_);  in PutSegmentHeader()
196     if (VP8PutBitUniform(bw, update_data)) {  in PutSegmentHeader()
198       VP8PutBitUniform(bw, 1);   // (segment_feature_mode = 1. Paragraph 9.3.)  in PutSegmentHeader()
200         VP8PutSignedBits(bw, enc->dqm_[s].quant_, 7);  in PutSegmentHeader()
203         VP8PutSignedBits(bw, enc->dqm_[s].fstrength_, 6);  in PutSegmentHeader()
208         if (VP8PutBitUniform(bw, (proba->segments_[s] != 255u))) {  in PutSegmentHeader()
209           VP8PutBits(bw, proba->segments_[s], 8);  in PutSegmentHeader()
217 static void PutFilterHeader(VP8BitWriter* const bw,  in PutFilterHeader()  argument
220   VP8PutBitUniform(bw, hdr->simple_);  in PutFilterHeader()
221   VP8PutBits(bw, hdr->level_, 6);  in PutFilterHeader()
222   VP8PutBits(bw, hdr->sharpness_, 3);  in PutFilterHeader()
223   if (VP8PutBitUniform(bw, use_lf_delta)) {  in PutFilterHeader()
226     if (VP8PutBitUniform(bw, need_update)) {  in PutFilterHeader()
228       VP8PutBits(bw, 0, 4);  in PutFilterHeader()
230       VP8PutSignedBits(bw, hdr->i4x4_lf_delta_, 6);  in PutFilterHeader()
231       VP8PutBits(bw, 0, 3);    // all others unused  in PutFilterHeader()
237 static void PutQuant(VP8BitWriter* const bw,  in PutQuant()  argument
239   VP8PutBits(bw, enc->base_quant_, 7);  in PutQuant()
240   VP8PutSignedBits(bw, enc->dq_y1_dc_, 4);  in PutQuant()
241   VP8PutSignedBits(bw, enc->dq_y2_dc_, 4);  in PutQuant()
242   VP8PutSignedBits(bw, enc->dq_y2_ac_, 4);  in PutQuant()
243   VP8PutSignedBits(bw, enc->dq_uv_dc_, 4);  in PutQuant()
244   VP8PutSignedBits(bw, enc->dq_uv_ac_, 4);  in PutQuant()
267   VP8BitWriter* const bw = &enc->bw_;  in GeneratePartition0()  local
271   pos1 = VP8BitWriterPos(bw);  in GeneratePartition0()
272   if (!VP8BitWriterInit(bw, mb_size * 7 / 8)) {        // ~7 bits per macroblock  in GeneratePartition0()
275   VP8PutBitUniform(bw, 0);   // colorspace  in GeneratePartition0()
276   VP8PutBitUniform(bw, 0);   // clamp type  in GeneratePartition0()
278   PutSegmentHeader(bw, enc);  in GeneratePartition0()
279   PutFilterHeader(bw, &enc->filter_hdr_);  in GeneratePartition0()
280   VP8PutBits(bw, enc->num_parts_ == 8 ? 3 :  in GeneratePartition0()
283   PutQuant(bw, enc);  in GeneratePartition0()
284   VP8PutBitUniform(bw, 0);   // no proba update  in GeneratePartition0()
285   VP8WriteProbas(bw, &enc->proba_);  in GeneratePartition0()
286   pos2 = VP8BitWriterPos(bw);  in GeneratePartition0()
288   VP8BitWriterFinish(bw);  in GeneratePartition0()
290   pos3 = VP8BitWriterPos(bw);  in GeneratePartition0()
297   if (bw->error_) {  in GeneratePartition0()
313   VP8BitWriter* const bw = &enc->bw_;  in VP8EncWrite()  local
327              VP8BitWriterSize(bw) +  in VP8EncWrite()
353     const uint8_t* const part0 = VP8BitWriterBuf(bw);  in VP8EncWrite()
354     const size_t size0 = VP8BitWriterSize(bw);  in VP8EncWrite()
358     VP8BitWriterWipeOut(bw);    // will free the internal buffer.  in VP8EncWrite()