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Diffstat (limited to 'src/3rdparty/libwebp/src/enc/layer.c')
-rw-r--r-- | src/3rdparty/libwebp/src/enc/layer.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/3rdparty/libwebp/src/enc/layer.c b/src/3rdparty/libwebp/src/enc/layer.c new file mode 100644 index 0000000..2402362 --- /dev/null +++ b/src/3rdparty/libwebp/src/enc/layer.c @@ -0,0 +1,44 @@ +// 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" + +//------------------------------------------------------------------------------ + +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_); +} + |