c2140b8af1
Changes 'The VP8 project' to 'The WebM project', for consistency with other webmproject.org repositories. Fixes issue #97. Change-Id: I37c13ed5fbdb9d334ceef71c6350e9febed9bbba
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. 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 LICENSE 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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/* This code is in the public domain.
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** Version: 1.1 Author: Walt Karas
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*/
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#include "hmm_intrnl.h"
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U(size_aau) U(largest_available)(U(descriptor) *desc)
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{
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U(size_bau) largest;
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if (!(desc->avl_tree_root))
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largest = 0;
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else
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{
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#ifdef HMM_AUDIT_FAIL
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/* Audit root block in AVL tree. */
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AUDIT_BLOCK(PTR_REC_TO_HEAD(desc->avl_tree_root))
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#endif
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largest =
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BLOCK_BAUS(
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PTR_REC_TO_HEAD(
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U(avl_search)(
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(U(avl_avl) *) & (desc->avl_tree_root),
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(U(size_bau)) ~(U(size_bau)) 0, AVL_LESS)));
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}
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if (desc->last_freed)
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{
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/* Size of last freed block. */
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register U(size_bau) lf_size;
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#ifdef HMM_AUDIT_FAIL
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AUDIT_BLOCK(desc->last_freed)
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#endif
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lf_size = BLOCK_BAUS(desc->last_freed);
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if (lf_size > largest)
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largest = lf_size;
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}
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/* Convert largest size to AAUs and subract head size leaving payload
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** size.
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*/
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return(largest ?
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((largest * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) - HEAD_AAUS) :
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0);
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}
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