1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* This file is part of AtracDEnc.
*
* AtracDEnc is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* AtracDEnc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with AtracDEnc; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "compressed_io.h"
#include "at3p_gha.h"
#include "at3p_mdct.h"
#include <lib/bs_encode/encode.h>
namespace NAtracDEnc {
struct TScaledBlock;
struct TAt3PGhaData;
enum class ETonePackOrder : bool {
ASC = false,
DESC = true
};
struct TTonePackResult {
struct TEntry {
uint16_t Code;
uint16_t Bits;
};
std::vector<TEntry> Data;
int UsedBits;
ETonePackOrder Order;
};
TTonePackResult CreateFreqBitPack(const TAt3PGhaData::TWaveParam* param, int len);
class TAt3PBitStream {
public:
struct TSubbandInfos {
TAt3pMDCTWin Win;
};
struct TSingleChannelElement {
TSubbandInfos SubbandInfo;
std::vector<TScaledBlock> ScaledBlocks;
};
TAt3PBitStream(ICompressedOutput* container, uint16_t frameSz);
void WriteFrame(int channels, const TAt3PGhaData* tonalData, const std::vector<TSingleChannelElement>& scaledBlocks);
private:
ICompressedOutput* Container;
TBitStreamEncoder Encoder;
const uint32_t FrameSzToAllocBits;
const uint16_t FrameSz;
};
}
|
