1 // Copyright 2011 Google Inc. All Rights Reserved. 2 // 3 // Use of this source code is governed by a BSD-style license 4 // that can be found in the COPYING file in the root of the source 5 // tree. An additional intellectual property rights grant can be found 6 // in the file PATENTS. All contributing project authors may 7 // be found in the AUTHORS file in the root of the source tree. 8 // ----------------------------------------------------------------------------- 9 // 10 // Enhancement layer (for YUV444/422) 11 // 12 // Author: Skal (pascal.massimino (at) gmail.com) 13 14 #include <stdlib.h> 15 16 #include "./vp8enci.h" 17 18 //------------------------------------------------------------------------------ 19 20 void VP8EncInitLayer(VP8Encoder* const enc) { 21 enc->use_layer_ = (enc->pic_->u0 != NULL); 22 enc->layer_data_size_ = 0; 23 enc->layer_data_ = NULL; 24 if (enc->use_layer_) { 25 VP8BitWriterInit(&enc->layer_bw_, enc->mb_w_ * enc->mb_h_ * 3); 26 } 27 } 28 29 void VP8EncCodeLayerBlock(VP8EncIterator* it) { 30 (void)it; // remove a warning 31 } 32 33 int VP8EncFinishLayer(VP8Encoder* const enc) { 34 if (enc->use_layer_) { 35 enc->layer_data_ = VP8BitWriterFinish(&enc->layer_bw_); 36 enc->layer_data_size_ = VP8BitWriterSize(&enc->layer_bw_); 37 } 38 return 1; 39 } 40 41 void VP8EncDeleteLayer(VP8Encoder* enc) { 42 free(enc->layer_data_); 43 } 44 45
