int __stdcall XMP_CheckFile(char *filename, BYTE *buf, DWORD length) {
VGMSTREAM* fakevgmstream = init_vgmstream(filename);
int ret;
if (!fakevgmstream) ret = 0;
else { ret = 1; close_vgmstream(fakevgmstream); }
return ret;
}
long __declspec(dllexport) DLL_LoadVGM(const char* szFileName, int* sampleRate, int* sampleSize, int* channels)
{
VGMSTREAM* result;
if ((result = init_vgmstream(szFileName)) == NULL)
return 0;
*sampleRate = result->sample_rate;
*sampleSize = 16;
*channels = result->channels;
return (long)result;
}
int __stdcall LoadVgmStream(char *filename, XMPFILE file) {
int i;
vgmstream = init_vgmstream(filename);
if (!vgmstream) return 0;
// just loop forever till we have configuration done
Decoder_Is_Using_Lame_Hack = 0;
for (i = 0; i < 5; i ++) {
if (vgmstream->sample_rate == valid_freqs[i]) {
Decoder_Is_Using_Lame_Hack = 1;
break;
}
}
return 1;
}
bool stream_file(const std::string& filename)
{
if (filename.empty())
{
print("No file selected\n");
return true;
}
VGMSTREAM* vgmstream = init_vgmstream(filename.c_str());
if (!vgmstream)
{
print("Bad file %s\n", filename.c_str());
return true;
}
const int channels = vgmstream->channels;
u32 buffer_size = max_samples * vgmstream->channels * sizeof(sample);
rawSampleBuffer = static_cast<sample*>(linearAlloc(buffer_size));
sample* buffer = static_cast<sample*>(linearAlloc(buffer_size));
sample* buffer2 = static_cast<sample*>(linearAlloc(buffer_size));
playBuffer1.samples = max_samples;
playBuffer2.samples = max_samples;
for (int i = 0; i < channels; i++)
{
playBuffer1.channels.push_back(buffer + i * max_samples);
playBuffer2.channels.push_back(buffer2 + i * max_samples);
}
stream_filename strm_file;
strm_file.filename = filename;
strm_file.stream = vgmstream;
runThreads = true;
s32 prio = 0;
Thread musicThread;
Thread produceThread;
svcGetThreadPriority(&prio, CUR_THREAD_HANDLE);
musicThread = threadCreate(streamMusic, &strm_file, 4 * 1024, prio-1, -2, false);
produceThread = threadCreate(decodeThread, &strm_file, 4 * 1024, prio-1, -2, false);
bool ret = false;
while (aptMainLoop())
{
hidScanInput();
u32 kDown = hidKeysDown();
if (kDown & KEY_START || kDown & KEY_B)
{
ret = kDown & KEY_START;
break;
}
gfxFlushBuffers();
gfxSwapBuffers();
gspWaitForVBlank();
}
runThreads = false;
svcSignalEvent(bufferReadyProduceRequest);
svcSignalEvent(bufferReadyConsumeRequest);
threadJoin(musicThread, U64_MAX);
threadJoin(produceThread, U64_MAX);
threadFree(musicThread);
threadFree(produceThread);
svcClearEvent(bufferReadyConsumeRequest);
svcClearEvent(bufferReadyProduceRequest);
linearFree(rawSampleBuffer);
linearFree(buffer);
linearFree(buffer2);
playBuffer1.channels.clear();
playBuffer2.channels.clear();
close_vgmstream(vgmstream);
return ret;
}