1 // Copyright (c) 2012- PPSSPP Project.
2
3 // This program is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, version 2.0 or later versions.
6
7 // This program is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 // GNU General Public License 2.0 for more details.
11
12 // A copy of the GPL 2.0 should have been included with the program.
13 // If not, see http://www.gnu.org/licenses/
14
15 // Official git repository and contact information can be found at
16 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
17
18 #include "Common/Serialize/Serializer.h"
19 #include "Common/Serialize/SerializeFuncs.h"
20 #include "Core/HLE/HLE.h"
21 #include "Core/HLE/FunctionWrappers.h"
22 #include "Core/HLE/sceAudiocodec.h"
23 #include "Core/MemMap.h"
24 #include "Core/Reporting.h"
25 #include "Core/HW/SimpleAudioDec.h"
26
27 // Following kaien_fr's sample code https://github.com/hrydgard/ppsspp/issues/5620#issuecomment-37086024
28 // Should probably store the EDRAM get/release status somewhere within here, etc.
29 struct AudioCodecContext {
30 u32_le unknown[6];
31 u32_le inDataPtr; // 6
32 u32_le inDataSize; // 7
33 u32_le outDataPtr; // 8
34 u32_le audioSamplesPerFrame; // 9
35 u32_le inDataSizeAgain; // 10 ??
36 };
37
38 // audioList is to store current playing audios.
39 static std::map<u32, SimpleAudio *> audioList;
40
41 static bool oldStateLoaded = false;
42
43 // find the audio decoder for corresponding ctxPtr in audioList
findDecoder(u32 ctxPtr)44 static SimpleAudio *findDecoder(u32 ctxPtr) {
45 auto it = audioList.find(ctxPtr);
46 if (it != audioList.end()) {
47 return it->second;
48 }
49 return NULL;
50 }
51
52 // remove decoder from audioList
removeDecoder(u32 ctxPtr)53 static bool removeDecoder(u32 ctxPtr) {
54 auto it = audioList.find(ctxPtr);
55 if (it != audioList.end()) {
56 delete it->second;
57 audioList.erase(it);
58 return true;
59 }
60 return false;
61 }
62
clearDecoders()63 static void clearDecoders() {
64 for (auto it = audioList.begin(), end = audioList.end(); it != end; it++) {
65 delete it->second;
66 }
67 audioList.clear();
68 }
69
__AudioCodecInit()70 void __AudioCodecInit() {
71 oldStateLoaded = false;
72 }
73
__AudioCodecShutdown()74 void __AudioCodecShutdown() {
75 // We need to kill off any still opened codecs to not leak memory.
76 clearDecoders();
77 }
78
sceAudiocodecInit(u32 ctxPtr,int codec)79 static int sceAudiocodecInit(u32 ctxPtr, int codec) {
80 if (IsValidCodec(codec)) {
81 // Create audio decoder for given audio codec and push it into AudioList
82 if (removeDecoder(ctxPtr)) {
83 WARN_LOG_REPORT(HLE, "sceAudiocodecInit(%08x, %d): replacing existing context", ctxPtr, codec);
84 }
85 auto decoder = new SimpleAudio(codec);
86 decoder->SetCtxPtr(ctxPtr);
87 audioList[ctxPtr] = decoder;
88 INFO_LOG(ME, "sceAudiocodecInit(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
89 DEBUG_LOG(ME, "Number of playing sceAudioCodec audios : %d", (int)audioList.size());
90 return 0;
91 }
92 ERROR_LOG_REPORT(ME, "sceAudiocodecInit(%08x, %i (%s)): Unknown audio codec %i", ctxPtr, codec, GetCodecName(codec), codec);
93 return 0;
94 }
95
sceAudiocodecDecode(u32 ctxPtr,int codec)96 static int sceAudiocodecDecode(u32 ctxPtr, int codec) {
97 if (!ctxPtr){
98 ERROR_LOG_REPORT(ME, "sceAudiocodecDecode(%08x, %i (%s)) got NULL pointer", ctxPtr, codec, GetCodecName(codec));
99 return -1;
100 }
101
102 if (IsValidCodec(codec)){
103 // Use SimpleAudioDec to decode audio
104 auto ctx = PSPPointer<AudioCodecContext>::Create(ctxPtr); // On stack, no need to allocate.
105 int outbytes = 0;
106 // find a decoder in audioList
107 auto decoder = findDecoder(ctxPtr);
108
109 if (!decoder && oldStateLoaded) {
110 // We must have loaded an old state that did not have sceAudiocodec information.
111 // Fake it by creating the desired context.
112 decoder = new SimpleAudio(codec);
113 decoder->SetCtxPtr(ctxPtr);
114 audioList[ctxPtr] = decoder;
115 }
116
117 if (decoder != NULL) {
118 // Decode audio
119 decoder->Decode(Memory::GetPointer(ctx->inDataPtr), ctx->inDataSize, Memory::GetPointer(ctx->outDataPtr), &outbytes);
120 }
121 DEBUG_LOG(ME, "sceAudiocodecDec(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
122 return 0;
123 }
124 ERROR_LOG_REPORT(ME, "UNIMPL sceAudiocodecDecode(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
125 return 0;
126 }
127
sceAudiocodecGetInfo(u32 ctxPtr,int codec)128 static int sceAudiocodecGetInfo(u32 ctxPtr, int codec) {
129 ERROR_LOG_REPORT(ME, "UNIMPL sceAudiocodecGetInfo(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
130 return 0;
131 }
132
sceAudiocodecCheckNeedMem(u32 ctxPtr,int codec)133 static int sceAudiocodecCheckNeedMem(u32 ctxPtr, int codec) {
134 WARN_LOG(ME, "UNIMPL sceAudiocodecCheckNeedMem(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
135 return 0;
136 }
137
sceAudiocodecGetEDRAM(u32 ctxPtr,int codec)138 static int sceAudiocodecGetEDRAM(u32 ctxPtr, int codec) {
139 WARN_LOG(ME, "UNIMPL sceAudiocodecGetEDRAM(%08x, %i (%s))", ctxPtr, codec, GetCodecName(codec));
140 return 0;
141 }
142
sceAudiocodecReleaseEDRAM(u32 ctxPtr,int id)143 static int sceAudiocodecReleaseEDRAM(u32 ctxPtr, int id) {
144 if (removeDecoder(ctxPtr)){
145 INFO_LOG(ME, "sceAudiocodecReleaseEDRAM(%08x, %i)", ctxPtr, id);
146 return 0;
147 }
148 WARN_LOG(ME, "UNIMPL sceAudiocodecReleaseEDRAM(%08x, %i)", ctxPtr, id);
149 return 0;
150 }
151
152 const HLEFunction sceAudiocodec[] = {
153 {0X70A703F8, &WrapI_UI<sceAudiocodecDecode>, "sceAudiocodecDecode", 'i', "xi"},
154 {0X5B37EB1D, &WrapI_UI<sceAudiocodecInit>, "sceAudiocodecInit", 'i', "xi"},
155 {0X8ACA11D5, &WrapI_UI<sceAudiocodecGetInfo>, "sceAudiocodecGetInfo", 'i', "xi"},
156 {0X3A20A200, &WrapI_UI<sceAudiocodecGetEDRAM>, "sceAudiocodecGetEDRAM", 'i', "xi"},
157 {0X29681260, &WrapI_UI<sceAudiocodecReleaseEDRAM>, "sceAudiocodecReleaseEDRAM", 'i', "xi"},
158 {0X9D3F790C, &WrapI_UI<sceAudiocodecCheckNeedMem>, "sceAudiocodecCheckNeedMem", 'i', "xi"},
159 {0X59176A0F, nullptr, "sceAudiocodec_59176A0F", '?', "" },
160 };
161
Register_sceAudiocodec()162 void Register_sceAudiocodec()
163 {
164 RegisterModule("sceAudiocodec", ARRAY_SIZE(sceAudiocodec), sceAudiocodec);
165 }
166
__sceAudiocodecDoState(PointerWrap & p)167 void __sceAudiocodecDoState(PointerWrap &p){
168 auto s = p.Section("AudioList", 0, 2);
169 if (!s) {
170 oldStateLoaded = true;
171 return;
172 }
173
174 int count = (int)audioList.size();
175 Do(p, count);
176
177 if (count > 0) {
178 if (p.mode == PointerWrap::MODE_READ) {
179 clearDecoders();
180
181 // loadstate if audioList is nonempty
182 auto codec_ = new int[count];
183 auto ctxPtr_ = new u32[count];
184 // These sizeof(pointers) are wrong, but kept to avoid breaking on old saves.
185 // They're not used in new savestates.
186 #ifdef __clang__
187 #pragma clang diagnostic push
188 #pragma clang diagnostic ignored "-Wunknown-warning-option"
189 #pragma clang diagnostic ignored "-Wsizeof-pointer-div"
190 #endif
191 DoArray(p, codec_, s >= 2 ? count : (int)ARRAY_SIZE(codec_));
192 DoArray(p, ctxPtr_, s >= 2 ? count : (int)ARRAY_SIZE(ctxPtr_));
193 for (int i = 0; i < count; i++) {
194 auto decoder = new SimpleAudio(codec_[i]);
195 decoder->SetCtxPtr(ctxPtr_[i]);
196 audioList[ctxPtr_[i]] = decoder;
197 }
198 #ifdef __clang__
199 #pragma clang diagnostic pop
200 #endif
201 delete[] codec_;
202 delete[] ctxPtr_;
203 }
204 else
205 {
206 // savestate if audioList is nonempty
207 // Some of this is only necessary in Write but won't really hurt Measure.
208 auto codec_ = new int[count];
209 auto ctxPtr_ = new u32[count];
210 int i = 0;
211 for (auto it = audioList.begin(), end = audioList.end(); it != end; it++) {
212 const SimpleAudio *decoder = it->second;
213 codec_[i] = decoder->GetAudioType();
214 ctxPtr_[i] = decoder->GetCtxPtr();
215 i++;
216 }
217 DoArray(p, codec_, count);
218 DoArray(p, ctxPtr_, count);
219 delete[] codec_;
220 delete[] ctxPtr_;
221 }
222 }
223 }
224