GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/ttadata.c Lines: 11 11 100.0 %
Date: 2020-08-14 10:39:37 Branches: 0 0 - %

Line Branch Exec Source
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/*
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 * TTA (The Lossless True Audio) data
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "ttadata.h"
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const uint32_t ff_tta_shift_1[] = {
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    0x00000001, 0x00000002, 0x00000004, 0x00000008,
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    0x00000010, 0x00000020, 0x00000040, 0x00000080,
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    0x00000100, 0x00000200, 0x00000400, 0x00000800,
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    0x00001000, 0x00002000, 0x00004000, 0x00008000,
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    0x00010000, 0x00020000, 0x00040000, 0x00080000,
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    0x00100000, 0x00200000, 0x00400000, 0x00800000,
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    0x01000000, 0x02000000, 0x04000000, 0x08000000,
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    0x10000000, 0x20000000, 0x40000000, 0x80000000,
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    0x80000000, 0x80000000, 0x80000000, 0x80000000,
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    0x80000000, 0x80000000, 0x80000000, 0x80000000
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};
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const uint32_t * const ff_tta_shift_16 = ff_tta_shift_1 + 4;
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const uint8_t ff_tta_filter_configs[] = { 10, 9, 10, 12 };
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void ff_tta_rice_init(TTARice *c, uint32_t k0, uint32_t k1)
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{
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    c->k0 = k0;
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    c->k1 = k1;
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    c->sum0 = ff_tta_shift_16[k0];
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    c->sum1 = ff_tta_shift_16[k1];
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}
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void ff_tta_filter_init(TTAFilter *c, int32_t shift) {
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    memset(c, 0, sizeof(TTAFilter));
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    c->shift = shift;
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    c->round = ff_tta_shift_1[shift-1];
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}