1 // Copyright 2011 Google Inc. All Rights Reserved. 2 // 3 // This code is licensed under the same terms as WebM: 4 // Software License Agreement: http://www.webmproject.org/license/software/ 5 // Additional IP Rights Grant: http://www.webmproject.org/license/additional/ 6 // ----------------------------------------------------------------------------- 7 // 8 // Enhancement layer (for YUV444/422) 9 // 10 // Author: Skal (pascal.massimino (at) gmail.com) 11 12 #include <stdlib.h> 13 14 #include "./vp8enci.h" 15 16 #if defined(__cplusplus) || defined(c_plusplus) 17 extern "C" { 18 #endif 19 20 //------------------------------------------------------------------------------ 21 22 void VP8EncInitLayer(VP8Encoder* const enc) { 23 enc->use_layer_ = (enc->pic_->u0 != NULL); 24 enc->layer_data_size_ = 0; 25 enc->layer_data_ = NULL; 26 if (enc->use_layer_) { 27 VP8BitWriterInit(&enc->layer_bw_, enc->mb_w_ * enc->mb_h_ * 3); 28 } 29 } 30 31 void VP8EncCodeLayerBlock(VP8EncIterator* it) { 32 (void)it; // remove a warning 33 } 34 35 int VP8EncFinishLayer(VP8Encoder* const enc) { 36 if (enc->use_layer_) { 37 enc->layer_data_ = VP8BitWriterFinish(&enc->layer_bw_); 38 enc->layer_data_size_ = VP8BitWriterSize(&enc->layer_bw_); 39 } 40 return 1; 41 } 42 43 void VP8EncDeleteLayer(VP8Encoder* enc) { 44 free(enc->layer_data_); 45 } 46 47 #if defined(__cplusplus) || defined(c_plusplus) 48 } // extern "C" 49 #endif 50
