ppsspp/Core/HLE/sceAudiocodec.cpp
2014-03-15 14:44:47 +01:00

120 lines
4.1 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program 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 General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "Core/HLE/HLE.h"
#include "sceAudiocodec.h"
#include "Core/Reporting.h"
#include "Core/HW/SimpleMp3Dec.h"
enum {
PSP_CODEC_AT3PLUS = 0x00001000,
PSP_CODEC_AT3 = 0x00001001,
PSP_CODEC_MP3 = 0x00001002,
PSP_CODEC_AAC = 0x00001003,
};
static const char *const codecNames[4] = {
"AT3+", "AT3", "MP3", "AAC",
};
static const char *GetCodecName(int codec) {
if (codec >= PSP_CODEC_AT3PLUS && codec <= PSP_CODEC_AAC) {
return codecNames[codec - PSP_CODEC_AT3PLUS];
} else {
return "(unk)";
}
}
// Following kaien_fr's sample code https://github.com/hrydgard/ppsspp/issues/5620#issuecomment-37086024
// Should probably store the EDRAM get/release status somewhere within here, etc.
struct AudioCodecContext {
u32_le unknown[6];
u32_le inDataPtr; // 6
u32_le inDataSize; // 7
u32_le outDataPtr; // 8
u32_le audioSamplesPerFrame; // 9
u32_le inDataSizeAgain; // 10 ??
};
SimpleMP3* mp3;
int sceAudiocodecInit(u32 ctxPtr, int codec) {
if (codec == PSP_CODEC_MP3){
// Initialize MP3 audio decoder.
mp3 = MP3Create();
DEBUG_LOG(ME, "sceAudiocodecInit(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
ERROR_LOG_REPORT(ME, "UNIMPL sceAudiocodecInit(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
int sceAudiocodecDecode(u32 ctxPtr, int codec) {
if (!ctxPtr){
ERROR_LOG_REPORT(ME, "sceAudiocodecDecode(%08x, %i (%s)) got NULL pointer", ctxPtr, codec, GetCodecName(codec));
return -1;
}
if (codec == PSP_CODEC_MP3){
//Use SimpleMp3Dec to decode Mp3 audio
// Get AudioCodecContext
AudioCodecContext* ctx = new AudioCodecContext;
Memory::ReadStruct(ctxPtr, ctx);
int outbytes = 0;
// Decode Mp3 audio
MP3Decode(mp3, Memory::GetPointer(ctx->inDataPtr), ctx->inDataSize, &outbytes, Memory::GetPointer(ctx->outDataPtr));
DEBUG_LOG(ME, "sceAudiocodecDec(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
ERROR_LOG_REPORT(ME, "UNIMPL sceAudiocodecDecode(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
int sceAudiocodecGetInfo(u32 ctxPtr, int codec) {
ERROR_LOG_REPORT(ME, "UNIMPL sceAudiocodecGetInfo(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
int sceAudiocodecCheckNeedMem(u32 ctxPtr, int codec) {
WARN_LOG(ME, "UNIMPL sceAudiocodecCheckNeedMem(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
int sceAudiocodecGetEDRAM(u32 ctxPtr, int codec) {
WARN_LOG(ME, "UNIMPL sceAudiocodecGetEDRAM(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
int sceAudiocodecReleaseEDRAM(u32 ctxPtr, int codec) {
WARN_LOG(ME, "UNIMPL sceAudiocodecReleaseEDRAM(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
return 0;
}
const HLEFunction sceAudiocodec[] = {
{0x70A703F8, WrapI_UI<sceAudiocodecDecode>, "sceAudiocodecDecode"},
{0x5B37EB1D, WrapI_UI<sceAudiocodecInit>, "sceAudiocodecInit"},
{0x8ACA11D5, WrapI_UI<sceAudiocodecGetInfo>, "sceAudiocodecGetInfo"},
{0x3A20A200, WrapI_UI<sceAudiocodecGetEDRAM>, "sceAudiocodecGetEDRAM" },
{0x29681260, WrapI_UI<sceAudiocodecReleaseEDRAM>, "sceAudiocodecReleaseEDRAM" },
{0x9D3F790C, WrapI_UI<sceAudiocodecCheckNeedMem>, "sceAudiocodecCheckNeedMem" },
{0x59176a0f, 0, "sceAudiocodec_59176A0F"},
};
void Register_sceAudiocodec()
{
RegisterModule("sceAudiocodec", ARRAY_SIZE(sceAudiocodec), sceAudiocodec);
}