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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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#include <stdlib.h>
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#include "./vp8enci.h"
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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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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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void VP8EncCodeLayerBlock(VP8EncIterator* it) {
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(void)it; // remove a warning
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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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void VP8EncDeleteLayer(VP8Encoder* enc) {
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free(enc->layer_data_);
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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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