mirror of
https://github.com/libretro/ppsspp.git
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91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program 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
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "sceAudiocodec.h"
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class PointerWrap;
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void Register_sceAtrac3plus();
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void __AtracInit();
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void __AtracDoState(PointerWrap &p);
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void __AtracShutdown();
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enum AtracStatus : u8 {
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ATRAC_STATUS_NO_DATA = 1,
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ATRAC_STATUS_ALL_DATA_LOADED = 2,
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ATRAC_STATUS_HALFWAY_BUFFER = 3,
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ATRAC_STATUS_STREAMED_WITHOUT_LOOP = 4,
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ATRAC_STATUS_STREAMED_LOOP_FROM_END = 5,
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// This means there's additional audio after the loop.
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// i.e. ~~before loop~~ [ ~~this part loops~~ ] ~~after loop~~
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// The "fork in the road" means a second buffer is needed for the second path.
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ATRAC_STATUS_STREAMED_LOOP_WITH_TRAILER = 6,
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ATRAC_STATUS_LOW_LEVEL = 8,
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ATRAC_STATUS_FOR_SCESAS = 16,
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};
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#if COMMON_LITTLE_ENDIAN
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typedef AtracStatus AtracStatus_le;
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#else
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typedef swap_struct_t<AtracStatus, swap_32_t<AtracStatus> > AtracStatus_le;
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#endif
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typedef struct
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{
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u32_le decodePos; // 0
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u32_le endSample; // 4
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u32_le loopStart; // 8
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u32_le loopEnd; // 12
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s32_le samplesPerChan; // 16
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char numFrame; // 20
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// 2: all the stream data on the buffer
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// 6: looping -> second buffer needed
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AtracStatus_le state; // 21
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char unk22;
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char numChan; // 23
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u16_le sampleSize; // 24
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u16_le codec; // 26
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u32_le dataOff; // 28
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u32_le curOff; // 32
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u32_le dataEnd; // 36
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s32_le loopNum; // 40
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u32_le streamDataByte; // 44
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u32_le unk48;
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u32_le unk52;
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u32_le buffer; // 56
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u32_le secondBuffer; // 60
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u32_le bufferByte; // 64
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u32_le secondBufferByte; // 68
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// make sure the size is 128
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u8 unk[56];
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} SceAtracIdInfo;
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typedef struct
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{
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// size 128
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SceAudiocodecCodec codec;
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// size 128
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SceAtracIdInfo info;
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} SceAtracId;
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// provide some decoder interface
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u32 _AtracAddStreamData(int atracID, u32 bufPtr, u32 bytesToAdd);
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u32 _AtracDecodeData(int atracID, u8* outbuf, u32 outbufPtr, u32 *SamplesNum, u32* finish, int *remains);
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int _AtracGetIDByContext(u32 contextAddr); |