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