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Open Source Computer Vision Library
https://opencv.org/
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50 lines
1.3 KiB
50 lines
1.3 KiB
12 years ago
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// Copyright 2011 Google Inc. All Rights Reserved.
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//
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// This code is licensed under the same terms as WebM:
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// Software License Agreement: http://www.webmproject.org/license/software/
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// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
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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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