mirror of
https://github.com/libretro/ppsspp.git
synced 2024-12-13 11:38:34 +00:00
419 lines
11 KiB
C++
419 lines
11 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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#include <map>
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#include "Core/HLE/HLE.h"
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#include "Core/HW/MediaEngine.h"
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#include "Core/Reporting.h"
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static const int MP3_BITRATES[] = {0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320};
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struct Mp3Context {
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Mp3Context() : mediaengine(NULL) {}
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~Mp3Context() {
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if (mediaengine != NULL) {
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delete mediaengine;
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}
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}
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void DoState(PointerWrap &p) {
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p.Do(mp3StreamStart);
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p.Do(mp3StreamEnd);
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p.Do(mp3Buf);
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p.Do(mp3BufSize);
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p.Do(mp3PcmBuf);
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p.Do(mp3BufPendingSize);
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p.Do(mp3PcmBufSize);
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p.Do(mp3InputFileReadPos);
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p.Do(mp3InputBufWritePos);
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p.Do(mp3InputBufSize);
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p.Do(mp3InputFileSize);
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p.Do(mp3DecodedBytes);
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p.Do(mp3LoopNum);
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p.Do(mp3MaxSamples);
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p.Do(mp3Bitrate);
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p.Do(mp3Channels);
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p.Do(mp3SamplingRate);
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p.Do(mp3Version);
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p.DoClass(mediaengine);
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p.DoMarker("Mp3Context");
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}
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u64 mp3StreamStart;
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u64 mp3StreamEnd;
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u64 mp3StreamPosition;
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u32 mp3Buf;
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int mp3BufSize;
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int mp3BufPendingSize;
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u32 mp3PcmBuf;
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int mp3PcmBufSize;
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int mp3InputFileReadPos;
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int mp3InputBufWritePos;
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int mp3InputBufSize;
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int mp3InputFileSize;
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int mp3DecodedBytes;
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int mp3LoopNum;
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int mp3MaxSamples;
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int mp3Channels;
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int mp3Bitrate;
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int mp3SamplingRate;
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int mp3Version;
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MediaEngine *mediaengine;
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};
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static std::map<u32, Mp3Context *> mp3Map;
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static u32 lastMp3Handle = 0;
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Mp3Context *getMp3Ctx(u32 mp3) {
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if (mp3Map.find(mp3) == mp3Map.end()) {
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ERROR_LOG(HLE, "Bad mp3 handle %08x - using last one (%08x) instead", mp3, lastMp3Handle);
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mp3 = lastMp3Handle;
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}
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if (mp3Map.find(mp3) == mp3Map.end())
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return NULL;
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return mp3Map[mp3];
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}
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int sceMp3Decode(u32 mp3, u32 outPcmPtr) {
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DEBUG_LOG(HLE, "sceMp3Decode(%08x,%08x)", mp3, outPcmPtr);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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// Nothing to decode
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if(ctx->mp3BufPendingSize == 0 || ctx->mp3StreamPosition >= ctx->mp3StreamEnd) {
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if (ctx->mp3LoopNum == 0) {
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return 0;
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} else if (ctx->mp3LoopNum > 0) {
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--ctx->mp3LoopNum;
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}
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}
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Memory::Memset(ctx->mp3PcmBuf, 0, ctx->mp3PcmBufSize);
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Memory::Write_U32(ctx->mp3PcmBuf, outPcmPtr);
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// TODO: Actually decode the data
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#ifdef _DEBUG
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char fileName[256];
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sprintf(fileName, "%lli.mp3", ctx->mp3StreamPosition);
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FILE * file = fopen(fileName, "wb");
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if(file) {
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if(!Memory::IsValidAddress(ctx->mp3Buf)) {
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ERROR_LOG(HLE, "sceMp3Decode mp3Buf %08X is not a valid address!", ctx->mp3Buf);
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}
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u8 * ptr = Memory::GetPointer(ctx->mp3Buf);
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fwrite(ptr, 1, ctx->mp3BufPendingSize, file);
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fclose(file);
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}
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#endif
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ctx->mp3StreamPosition += ctx->mp3BufPendingSize;
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if(ctx->mp3StreamPosition > ctx->mp3StreamEnd)
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ctx->mp3StreamPosition = ctx->mp3StreamEnd;
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// Reset the pending buffer size so the program will know that we need to buffer more data
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ctx->mp3BufPendingSize = (ctx->mp3StreamPosition < ctx->mp3StreamEnd)?-1:0;
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return ctx->mp3PcmBufSize;
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}
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int sceMp3ResetPlayPosition(u32 mp3) {
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DEBUG_LOG(HLE, "SceMp3ResetPlayPosition(%08x)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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ctx->mp3StreamPosition = 0;
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ctx->mp3BufPendingSize = -1;
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return 0;
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}
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int sceMp3CheckStreamDataNeeded(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3CheckStreamDataNeeded(%08x)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return (ctx->mp3BufPendingSize < 0) && (ctx->mp3StreamPosition < ctx->mp3StreamEnd);
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}
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u32 sceMp3ReserveMp3Handle(u32 mp3Addr) {
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DEBUG_LOG(HLE, "sceMp3ReserveMp3Handle(%08x)", mp3Addr);
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Mp3Context *ctx = new Mp3Context;
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memset(ctx, 0, sizeof(Mp3Context));
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ctx->mp3StreamStart = Memory::Read_U64(mp3Addr);
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ctx->mp3StreamEnd = Memory::Read_U64(mp3Addr+8);
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ctx->mp3Buf = Memory::Read_U32(mp3Addr+16);
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ctx->mp3BufSize = Memory::Read_U32(mp3Addr+20);
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ctx->mp3PcmBuf = Memory::Read_U32(mp3Addr+24);
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ctx->mp3PcmBufSize = Memory::Read_U32(mp3Addr+28);
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ctx->mp3StreamPosition = ctx->mp3StreamStart;
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ctx->mp3BufPendingSize = -1;
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ctx->mp3MaxSamples = ctx->mp3PcmBufSize / 4 ;
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/*ctx->mp3Channels = 2;
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ctx->mp3Bitrate = 128;
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ctx->mp3SamplingRate = 44100;*/
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mp3Map[mp3Addr] = ctx;
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return mp3Addr;
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}
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int sceMp3InitResource() {
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WARN_LOG(HLE, "UNIML: sceMp3InitResource");
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// Do nothing here
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return 0;
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}
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int sceMp3TermResource() {
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WARN_LOG(HLE, "UNIML: sceMp3TermResource");
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// Do nothing here
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return 0;
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}
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int sceMp3Init(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3Init(%08x)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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// Read in the header and swap the endian
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int header = Memory::Read_U32(ctx->mp3Buf);
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header = (header >> 24) |
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((header<<8) & 0x00FF0000) |
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((header>>8) & 0x0000FF00) |
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(header << 24);
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int channels = ((header >> 6) & 0x3);
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if(channels == 0 || channels == 1 || channels == 2)
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ctx->mp3Channels = 2;
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else if(channels == 3)
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ctx->mp3Channels = 1;
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else
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ctx->mp3Channels = 0;
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// 0 == VBR
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int bitrate = ((header >> 10) & 0x3);
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if(bitrate < (int)ARRAY_SIZE(MP3_BITRATES))
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ctx->mp3Bitrate = MP3_BITRATES[bitrate];
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else
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ctx->mp3Bitrate = -1;
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int samplerate = ((header >> 12) & 0x3);
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if (samplerate == 0)
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ctx->mp3SamplingRate = 44100;
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else if (samplerate == 1)
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ctx->mp3SamplingRate = 48000;
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else if (samplerate == 2)
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ctx->mp3SamplingRate = 32000;
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else
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ctx->mp3SamplingRate = 0;
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ctx->mp3Version = ((header >> 19) & 0x3);
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return 0;
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}
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int sceMp3GetLoopNum(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3GetLoopNum(%08x)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return ctx->mp3LoopNum;
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}
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int sceMp3GetMaxOutputSample(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3GetMaxOutputSample(%08x)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return ctx->mp3MaxSamples;
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}
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int sceMp3NotifyAddStreamData(u32 mp3, int size) {
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DEBUG_LOG(HLE, "sceMp3NotifyAddStreamData(%08X, %i)", mp3, size);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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ctx->mp3BufPendingSize = size;
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return 0;
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}
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int sceMp3GetSumDecodedSample(u32 mp3) {
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ERROR_LOG_REPORT(HLE, "UNIMPL sceMp3GetSumDecodedSample(%08X)", mp3);
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return 0;
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}
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int sceMp3SetLoopNum(u32 mp3, int loop) {
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DEBUG_LOG(HLE, "sceMp3SetLoopNum(%08X, %i)", mp3, loop);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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ctx->mp3LoopNum = loop;
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return 0;
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}
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int sceMp3GetMp3ChannelNum(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3GetMp3ChannelNum(%08X)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return ctx->mp3Channels;
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}
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int sceMp3GetBitRate(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3GetBitRate(%08X)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return ctx->mp3Bitrate;
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}
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int sceMp3GetSamplingRate(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3GetSamplingRate(%08X)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return ctx->mp3SamplingRate;
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}
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int sceMp3GetInfoToAddStreamData(u32 mp3, u32 dstPtr, u32 towritePtr, u32 srcposPtr) {
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DEBUG_LOG(HLE, "HACK: sceMp3GetInfoToAddStreamData(%08X, %08X, %08X, %08X)", mp3, dstPtr, towritePtr, srcposPtr);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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if(Memory::IsValidAddress(dstPtr))
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Memory::Write_U32(ctx->mp3Buf, dstPtr);
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if(Memory::IsValidAddress(towritePtr))
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Memory::Write_U32(ctx->mp3BufSize, towritePtr);
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if(Memory::IsValidAddress(srcposPtr))
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Memory::Write_U32((u32)ctx->mp3StreamPosition, srcposPtr);
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return 0;
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}
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int sceMp3ReleaseMp3Handle(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3ReleaseMp3Handle(%08X)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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mp3Map.erase(mp3Map.find(mp3));
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delete ctx;
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return 0;
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}
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u32 sceMp3EndEntry() {
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ERROR_LOG_REPORT(HLE, "UNIMPL sceMp3EndEntry(...)");
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return 0;
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}
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u32 sceMp3StartEntry() {
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ERROR_LOG_REPORT(HLE, "UNIMPL sceMp3StartEntry(...)");
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return 0;
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}
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u32 sceMp3GetFrameNum(u32 mp3) {
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ERROR_LOG_REPORT(HLE, "UNIMPL sceMp3GetFrameNum(%08x)", mp3);
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return 0;
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}
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u32 sceMp3GetVersion(u32 mp3) {
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DEBUG_LOG(HLE, "sceMp3GetVersion(%08x)", mp3);
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Mp3Context *ctx = getMp3Ctx(mp3);
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if (!ctx) {
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ERROR_LOG(HLE, "%s: bad mp3 handle %08x", __FUNCTION__, mp3);
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return -1;
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}
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return ctx->mp3Version;
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}
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const HLEFunction sceMp3[] =
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{
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{0x07EC321A,WrapU_U<sceMp3ReserveMp3Handle>,"sceMp3ReserveMp3Handle"},
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{0x0DB149F4,WrapI_UI<sceMp3NotifyAddStreamData>,"sceMp3NotifyAddStreamData"},
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{0x2A368661,WrapI_U<sceMp3ResetPlayPosition>,"sceMp3ResetPlayPosition"},
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{0x354D27EA,WrapI_U<sceMp3GetSumDecodedSample>,"sceMp3GetSumDecodedSample"},
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{0x35750070,WrapI_V<sceMp3InitResource>,"sceMp3InitResource"},
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{0x3C2FA058,WrapI_V<sceMp3TermResource>,"sceMp3TermResource"},
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{0x3CEF484F,WrapI_UI<sceMp3SetLoopNum>,"sceMp3SetLoopNum"},
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{0x44E07129,WrapI_U<sceMp3Init>,"sceMp3Init"},
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{0x732B042A,WrapU_V<sceMp3EndEntry>,"sceMp3EndEntry"},
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{0x7F696782,WrapI_U<sceMp3GetMp3ChannelNum>,"sceMp3GetMp3ChannelNum"},
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{0x87677E40,WrapI_U<sceMp3GetBitRate>,"sceMp3GetBitRate"},
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{0x87C263D1,WrapI_U<sceMp3GetMaxOutputSample>,"sceMp3GetMaxOutputSample"},
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{0x8AB81558,WrapU_V<sceMp3StartEntry>,"sceMp3StartEntry"},
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{0x8F450998,WrapI_U<sceMp3GetSamplingRate>,"sceMp3GetSamplingRate"},
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{0xA703FE0F,WrapI_UUUU<sceMp3GetInfoToAddStreamData>,"sceMp3GetInfoToAddStreamData"},
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{0xD021C0FB,WrapI_UU<sceMp3Decode>,"sceMp3Decode"},
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{0xD0A56296,WrapI_U<sceMp3CheckStreamDataNeeded>,"sceMp3CheckStreamDataNeeded"},
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{0xD8F54A51,WrapI_U<sceMp3GetLoopNum>,"sceMp3GetLoopNum"},
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{0xF5478233,WrapI_U<sceMp3ReleaseMp3Handle>,"sceMp3ReleaseMp3Handle"},
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{0xAE6D2027,WrapU_U<sceMp3GetVersion>,"sceMp3GetVersion"}, // Name is wrong.
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{0x3548AEC8,WrapU_U<sceMp3GetFrameNum>,"sceMp3GetFrameNum"},
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{0x0840e808,0,"sceMp3_0840E808"},
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{0x1b839b83,0,"sceMp3_1B839B83"},
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{0xe3ee2c81,0,"sceMp3_E3EE2C81"},
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};
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void Register_sceMp3()
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{
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RegisterModule("sceMp3", ARRAY_SIZE(sceMp3), sceMp3);
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}
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