diff options
author | Chris Robinson <[email protected]> | 2018-01-09 23:55:59 -0800 |
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committer | Chris Robinson <[email protected]> | 2018-01-09 23:55:59 -0800 |
commit | ef63ec3fe9364d2036878fa871f49ee60f84482b (patch) | |
tree | 5c818196e004bfc4278b5c6ddd4763b598456ac6 /Alc | |
parent | de8c5b18248ee5d121cbd4b34b9af94f5e16df35 (diff) |
Use one macro to handle both resample padding sizes
Diffstat (limited to 'Alc')
-rw-r--r-- | Alc/converter.c | 22 | ||||
-rw-r--r-- | Alc/converter.h | 2 | ||||
-rw-r--r-- | Alc/effects/chorus.c | 2 | ||||
-rw-r--r-- | Alc/mixer.c | 18 |
4 files changed, 22 insertions, 22 deletions
diff --git a/Alc/converter.c b/Alc/converter.c index 56dbc79e..8cba04a1 100644 --- a/Alc/converter.c +++ b/Alc/converter.c @@ -205,8 +205,8 @@ ALsizei SampleConverterAvailableOut(SampleConverter *converter, ALsizei srcframe return 0; } - if(prepcount < MAX_POST_SAMPLES+MAX_PRE_SAMPLES && - MAX_POST_SAMPLES+MAX_PRE_SAMPLES-prepcount >= srcframes) + if(prepcount < MAX_RESAMPLE_PADDING*2 && + MAX_RESAMPLE_PADDING*2 - prepcount >= srcframes) { /* Not enough input samples to generate an output sample. */ return 0; @@ -214,7 +214,7 @@ ALsizei SampleConverterAvailableOut(SampleConverter *converter, ALsizei srcframe DataSize64 = prepcount; DataSize64 += srcframes; - DataSize64 -= MAX_POST_SAMPLES+MAX_PRE_SAMPLES; + DataSize64 -= MAX_RESAMPLE_PADDING*2; DataSize64 <<= FRACTIONBITS; DataSize64 -= DataPosFrac; @@ -256,10 +256,10 @@ ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALs converter->mSrcPrepCount = 0; continue; } - toread = mini(*srcframes, BUFFERSIZE-(MAX_POST_SAMPLES+MAX_PRE_SAMPLES)); + toread = mini(*srcframes, BUFFERSIZE - MAX_RESAMPLE_PADDING*2); - if(prepcount < MAX_POST_SAMPLES+MAX_PRE_SAMPLES && - MAX_POST_SAMPLES+MAX_PRE_SAMPLES-prepcount >= toread) + if(prepcount < MAX_RESAMPLE_PADDING*2 && + MAX_RESAMPLE_PADDING*2 - prepcount >= toread) { /* Not enough input samples to generate an output sample. Store * what we're given for later. @@ -277,7 +277,7 @@ ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALs DataSize64 = prepcount; DataSize64 += toread; - DataSize64 -= MAX_POST_SAMPLES+MAX_PRE_SAMPLES; + DataSize64 -= MAX_RESAMPLE_PADDING*2; DataSize64 <<= FRACTIONBITS; DataSize64 -= DataPosFrac; @@ -310,7 +310,7 @@ ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALs sizeof(converter->Chan[chan].mPrevSamples)); else { - size_t len = mini(MAX_PRE_SAMPLES+MAX_POST_SAMPLES, prepcount+toread-SrcDataEnd); + size_t len = mini(MAX_RESAMPLE_PADDING*2, prepcount+toread-SrcDataEnd); memcpy(converter->Chan[chan].mPrevSamples, &SrcData[SrcDataEnd], len*sizeof(ALfloat)); memset(converter->Chan[chan].mPrevSamples+len, 0, @@ -319,7 +319,7 @@ ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALs /* Now resample, and store the result in the output buffer. */ ResampledData = converter->mResample(&converter->mState, - SrcData+MAX_PRE_SAMPLES, DataPosFrac, increment, + SrcData+MAX_RESAMPLE_PADDING, DataPosFrac, increment, DstData, DstSize ); @@ -331,8 +331,8 @@ ALsizei SampleConverterInput(SampleConverter *converter, const ALvoid **src, ALs * fractional offset. */ DataPosFrac += increment*DstSize; - converter->mSrcPrepCount = mini(MAX_PRE_SAMPLES+MAX_POST_SAMPLES, - prepcount+toread-(DataPosFrac>>FRACTIONBITS)); + converter->mSrcPrepCount = mini(prepcount + toread - (DataPosFrac>>FRACTIONBITS), + MAX_RESAMPLE_PADDING*2); converter->mFracOffset = DataPosFrac & FRACTIONMASK; /* Update the src and dst pointers in case there's still more to do. */ diff --git a/Alc/converter.h b/Alc/converter.h index 9934fa4b..b58fd831 100644 --- a/Alc/converter.h +++ b/Alc/converter.h @@ -26,7 +26,7 @@ typedef struct SampleConverter { alignas(16) ALfloat mDstSamples[BUFFERSIZE]; struct { - alignas(16) ALfloat mPrevSamples[MAX_PRE_SAMPLES+MAX_POST_SAMPLES]; + alignas(16) ALfloat mPrevSamples[MAX_RESAMPLE_PADDING*2]; } Chan[]; } SampleConverter; diff --git a/Alc/effects/chorus.c b/Alc/effects/chorus.c index d028dbb0..65d2225b 100644 --- a/Alc/effects/chorus.c +++ b/Alc/effects/chorus.c @@ -120,7 +120,7 @@ static ALboolean ALchorusState_deviceUpdate(ALchorusState *state, ALCdevice *Dev static ALvoid ALchorusState_update(ALchorusState *state, const ALCcontext *Context, const ALeffectslot *Slot, const ALeffectProps *props) { - const ALsizei mindelay = maxi(MAX_PRE_SAMPLES, MAX_POST_SAMPLES) << FRACTIONBITS; + const ALsizei mindelay = MAX_RESAMPLE_PADDING << FRACTIONBITS; const ALCdevice *device = Context->Device; ALfloat frequency = (ALfloat)device->Frequency; ALfloat coeffs[MAX_AMBI_COEFFS]; diff --git a/Alc/mixer.c b/Alc/mixer.c index 4a1230a7..e6459fce 100644 --- a/Alc/mixer.c +++ b/Alc/mixer.c @@ -45,8 +45,7 @@ extern inline void InitiatePositionArrays(ALsizei frac, ALint increment, ALsizei /* BSinc24 requires up to 23 extra samples before the current position, and 24 after. */ -static_assert(MAX_PRE_SAMPLES >= 23, "MAX_PRE_SAMPLES must be at least 23!"); -static_assert(MAX_POST_SAMPLES >= 24, "MAX_POST_SAMPLES must be at least 24!"); +static_assert(MAX_RESAMPLE_PADDING >= 24, "MAX_RESAMPLE_PADDING must be at least 24!"); enum Resampler ResamplerDefault = LinearResampler; @@ -320,12 +319,12 @@ ALboolean MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALsizei DataSize64 *= increment; DataSize64 += DataPosFrac+FRACTIONMASK; DataSize64 >>= FRACTIONBITS; - DataSize64 += MAX_POST_SAMPLES+MAX_PRE_SAMPLES; + DataSize64 += MAX_RESAMPLE_PADDING*2; SrcBufferSize = (ALsizei)mini64(DataSize64, BUFFERSIZE); /* Figure out how many samples we can actually mix from this. */ DataSize64 = SrcBufferSize; - DataSize64 -= MAX_POST_SAMPLES+MAX_PRE_SAMPLES; + DataSize64 -= MAX_RESAMPLE_PADDING*2; DataSize64 <<= FRACTIONBITS; DataSize64 -= DataPosFrac; DstBufferSize = (ALsizei)mini64((DataSize64+(increment-1)) / increment, @@ -346,9 +345,10 @@ ALboolean MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALsizei ALsizei FilledAmt; /* Load the previous samples into the source data first, and clear the rest. */ - memcpy(SrcData, voice->PrevSamples[chan], MAX_PRE_SAMPLES*sizeof(ALfloat)); - memset(SrcData+MAX_PRE_SAMPLES, 0, (SrcBufferSize-MAX_PRE_SAMPLES)*sizeof(ALfloat)); - FilledAmt = MAX_PRE_SAMPLES; + memcpy(SrcData, voice->PrevSamples[chan], MAX_RESAMPLE_PADDING*sizeof(ALfloat)); + memset(SrcData+MAX_RESAMPLE_PADDING, 0, (BUFFERSIZE-MAX_RESAMPLE_PADDING)* + sizeof(ALfloat)); + FilledAmt = MAX_RESAMPLE_PADDING; if(isstatic) { @@ -488,12 +488,12 @@ ALboolean MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALsizei /* Store the last source samples used for next time. */ memcpy(voice->PrevSamples[chan], &SrcData[(increment*DstBufferSize + DataPosFrac)>>FRACTIONBITS], - MAX_PRE_SAMPLES*sizeof(ALfloat) + MAX_RESAMPLE_PADDING*sizeof(ALfloat) ); /* Now resample, then filter and mix to the appropriate outputs. */ ResampledData = Resample(&voice->ResampleState, - &SrcData[MAX_PRE_SAMPLES], DataPosFrac, increment, + &SrcData[MAX_RESAMPLE_PADDING], DataPosFrac, increment, Device->TempBuffer[RESAMPLED_BUF], DstBufferSize ); { |