mirror of
https://github.com/hrydgard/ppsspp.git
synced 2026-07-14 19:15:19 +02:00
Henrik Rydgård
95 lines
2.5 KiB
C++
95 lines
2.5 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 <map>
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class PointerWrap;
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// audioType
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enum PSPAudioType {
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PSP_CODEC_AT3PLUS = 0x00001000,
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PSP_CODEC_AT3 = 0x00001001,
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PSP_CODEC_MP3 = 0x00001002,
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PSP_CODEC_AAC = 0x00001003, // sceMp4 decodes this in an mp4 container
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PSP_CODEC_WMA = 0x00001005,
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};
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struct SceAudiocodecCodec {
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s32 unk_init;
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s32 unk4;
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s32 err; // 8
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s32 edramAddr; // c // presumably in ME memory?
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s32 neededMem; // 10 // 0x102400 for Atrac3+
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s32 inited; // 14
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u32 inBuf; // 18 // Before decoding, set this to the start of the raw frame.
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s32 srcBytesRead; // 1c
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u32 outBuf; // 20 // This is where the decoded data is written.
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s32 dstSamplesWritten; // 24
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// Probably, from here on out is a union with different fields for different codecs.
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union { // offset 40 / 0x28
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struct {
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s8 unk40; // 28 format or looping related . Aka tailrelated
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s8 unk41; // 29 format or looping related . Aka tailflag
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s8 unk42;
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s8 unk43;
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};
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u32 formatOutSamples;
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};
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union { // offset 44 / 0x2C
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struct {
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u8 unk44;
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s8 unk45;
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s8 unk46;
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s8 unk47;
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};
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struct {
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s16 unk44_16;
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s16 unk46_16;
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};
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u32 unk44_32;
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};
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s32 unk48; // 30 Atrac3 (non-+) related. Zero with Atrac3+.
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s32 unk52; // 34
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s32 mp3_9999; // 38 // unk56
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s32 mp3_3; // unk60 gets the value 3
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s32 unk64; // Atrac3+ size related
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s32 mp3_9;
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s32 mp3_0;
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s32 unk76;
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s32 unk80;
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s32 mp3_1_first;
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s32 unk88;
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s32 unk92;
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s32 mp3_1;
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s32 unk100;
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u32 allocMem; // 104
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// make sure the size is 128
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u8 unk[20];
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};
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void __AudioCodecInit();
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void __AudioCodecShutdown();
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void Register_sceAudiocodec();
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void __sceAudiocodecDoState(PointerWrap &p);
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class AudioDecoder;
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extern std::map<u32, AudioDecoder *> g_audioDecoderContexts;
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bool IsAtrac3StreamJointStereo(int codecType, int bytesPerFrame, int channels);
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