52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2011 Google Inc. All Rights Reserved.
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| //
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| // Use of this source code is governed by a BSD-style license
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| // that can be found in the COPYING file in the root of the source
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| // tree. An additional intellectual property rights grant can be found
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| // in the file PATENTS. All contributing project authors may
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| // be found in the AUTHORS file in the root of the source tree.
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| // -----------------------------------------------------------------------------
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| //
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| // Enhancement layer (for YUV444/422)
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| //
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| // Author: Skal (pascal.massimino@gmail.com)
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| 
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| #include <stdlib.h>
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| 
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| #include "./vp8enci.h"
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| 
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| #if defined(__cplusplus) || defined(c_plusplus)
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| extern "C" {
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| #endif
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| 
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| //------------------------------------------------------------------------------
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| 
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| void VP8EncInitLayer(VP8Encoder* const enc) {
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|   enc->use_layer_ = (enc->pic_->u0 != NULL);
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|   enc->layer_data_size_ = 0;
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|   enc->layer_data_ = NULL;
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|   if (enc->use_layer_) {
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|     VP8BitWriterInit(&enc->layer_bw_, enc->mb_w_ * enc->mb_h_ * 3);
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|   }
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| }
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| 
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| void VP8EncCodeLayerBlock(VP8EncIterator* it) {
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|   (void)it;   // remove a warning
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| }
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| 
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| int VP8EncFinishLayer(VP8Encoder* const enc) {
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|   if (enc->use_layer_) {
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|     enc->layer_data_ = VP8BitWriterFinish(&enc->layer_bw_);
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|     enc->layer_data_size_ = VP8BitWriterSize(&enc->layer_bw_);
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|   }
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|   return 1;
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| }
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| 
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| void VP8EncDeleteLayer(VP8Encoder* enc) {
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|   free(enc->layer_data_);
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| }
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| 
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| #if defined(__cplusplus) || defined(c_plusplus)
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| }    // extern "C"
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| #endif
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