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snes9x
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Generate sample example.

This commit is contained in:
Brandon Wright 2016-11-03 15:47:33 -05:00
parent 1f7926c48b
commit 91790a5e08
3 changed files with 19 additions and 15 deletions
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16
apu/apu.cpp
View File

@ -383,7 +383,13 @@ void S9xFinalizeSamples (void)
{
if (!Settings.Mute)
{
if (!spc::resampler->push((short *) spc::landing_buffer, SNES::dsp.spc_dsp.sample_count ()))
if (Settings.MSU1)
{
S9xMSU1Generate (SNES::dsp.spc_dsp.sample_count());
msu::resampler->push((short *) msu::landing_buffer, S9xMSU1Samples());
}
if (!spc::resampler->push((short *) spc::landing_buffer, SNES::dsp.spc_dsp.sample_count()))
{
/* We weren't able to process the entire buffer. Potential overrun. */
spc::sound_in_sync = FALSE;
@ -391,13 +397,9 @@ void S9xFinalizeSamples (void)
if (Settings.SoundSync && !Settings.TurboMode)
return;
}
if (Settings.MSU1 && !msu::resampler->push((short *) msu::landing_buffer, S9xMSU1Samples()))
{
}
}
if (!Settings.SoundSync || Settings.TurboMode || Settings.Mute)
spc::sound_in_sync = TRUE;
else
@ -649,8 +651,6 @@ void S9xAPUEndScanline (void)
S9xAPUExecute();
SNES::dsp.synchronize();
S9xMSU1Execute();
if (SNES::dsp.spc_dsp.sample_count() >= APU_MINIMUM_SAMPLE_BLOCK || !spc::sound_in_sync)
S9xLandSamples();
}

16
msu1.cpp
View File

@ -199,6 +199,7 @@ std::ifstream dataFile, audioFile;
uint32 dataPos, audioPos, audioResumePos, audioLoopPos;
uint16 audioTrack, audioResumeTrack;
char fName[64];
uint32 partial_samples;
// Sample buffer
int16 *bufPos, *bufBegin, *bufEnd;
@ -222,6 +223,8 @@ void S9xMSU1Init(void)
bufBegin = 0;
bufEnd = 0;
partial_samples = 0;
if (dataFile.is_open())
dataFile.close();
@ -231,20 +234,19 @@ void S9xMSU1Init(void)
dataFile.open(S9xGetFilename(".msu", ROMFILENAME_DIR), std::ios::in | std::ios::binary);
}
void S9xMSU1Execute(void)
void S9xMSU1Generate(int sample_count)
{
static long long hitcount = 0;
//return; // Dummy out for now because it's broken
while ((bufPos < bufEnd) && (MSU1.MSU1_STATUS & AudioPlaying))
partial_samples += 441000 * sample_count;
while ((bufPos < bufEnd) && (MSU1.MSU1_STATUS & AudioPlaying) && partial_samples > 320405)
{
hitcount++;
if (audioFile.good())
{
audioPos += 2;
int16 sample = 0;
((uint8 *)&sample)[0] = audioFile.get();
((uint8 *)&sample)[1] = audioFile.get();
sample = (double)sample * (double)MSU1.MSU1_VOLUME / 255.0;
*bufPos = ((uint8 *)&sample)[0];
@ -252,6 +254,8 @@ void S9xMSU1Execute(void)
bufPos += 2;
partial_samples -= 320405;
if (audioFile.eof())
{
if (MSU1.MSU1_STATUS & AudioRepeating)

2
msu1.h
View File

@ -216,7 +216,7 @@ enum SMSU1_FLAG : uint8 {
extern struct SMSU1 MSU1;
void S9xMSU1Init(void);
void S9xMSU1Execute(void);
void S9xMSU1Generate(int sample_count);
uint8 S9xMSU1ReadPort(int port);
void S9xMSU1WritePort(int port, uint8 byte);
uint16 S9xMSU1Samples(void);