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DSPHLE: Preserve fractional sample position between voice render calls. sounds slightly, slightly cleaner :P
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3637 8ced0084-cf51-0410-be5f-012b33b47a6e
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@ -30,8 +30,8 @@ struct ZeldaVoicePB
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{
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// Read-Write part
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u16 Status; // 0x00 | 1 = play, 0 = stop
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u16 KeyOff; // 0x01 | writing 1 stops voice?
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u16 RatioInt; // 0x02 | delta? ratio? integer part
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u16 KeyOff; // 0x01 | writing 1 stops voice?
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u16 RatioInt; // 0x02 | Position delta (playback speed)
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u16 Unk03; // 0x03 | unknown
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u16 NeedsReset; // 0x04 | indicates if some values in PB need to be reset
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u16 ReachedEnd; // 0x05 | set to 1 when end reached
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@ -43,7 +43,13 @@ struct ZeldaVoicePB
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u16 Unk0B[2]; // 0x0B | unknown
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u16 volumeRight1; // 0x0D | Right Volume 1
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u16 volumeRight2; // 0x0E | Right Volume 2
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u16 Unk0F[0x8]; // 0x0F | unknown // Buffer / something, see 036e/ZWW. there's a pattern here
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u16 Unk0F[2]; // 0x0F | unknown // Buffer / something, see 036e/ZWW. there's a pattern here
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u16 volumeUnknown1_1; // 0x11 | Unknown Volume 1
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u16 volumeUnknown1_2; // 0x12 | Unknown Volume 1
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u16 Unk13[2]; // 0x13 | unknown
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u16 volumeUnknown2_1; // 0x15 | Unknown Volume 2
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u16 volumeUnknown2_2; // 0x16 | Unknown Volume 2
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u16 Unk17; // 0x17 | unknown
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u16 Unk18[0x10]; // 0x18 | unknown
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u16 Unk28; // 0x28 | unknown
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u16 Unk29; // 0x29 | unknown // multiplied by 0x2a @ 0d21/ZWW
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@ -53,7 +59,7 @@ struct ZeldaVoicePB
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u16 Unk2D; // 0x2D | unknown
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u16 Unk2E; // 0x2E | unknown
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u16 Unk2F; // 0x2F | unknown
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u16 RatioFrac; // 0x30 | ??? ratio fractional part
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u16 CurSampleFrac; // 0x30 | Fractional part of the current sample position
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u16 Unk31; // 0x31 | unknown / unused
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u16 CurBlock; // 0x32 | current block?
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u16 FixedSample; // 0x33 | sample value for "blank" voices
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@ -26,8 +26,9 @@
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void CUCode_Zelda::RenderSynth_Waveform(ZeldaVoicePB &PB, s32* _Buffer, int _Size)
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{
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float ratioFactor = 32000.0f / (float)soundStream->GetMixer()->GetSampleRate();
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u32 _ratio = (((PB.RatioInt * 80) + PB.RatioFrac) << 4) & 0xFFFF0000;
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u64 ratio = (u64)(((_ratio / 80) << 16) * ratioFactor);
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u32 _ratio = (PB.RatioInt << 16);
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s64 ratio = (_ratio * ratioFactor) * 16;
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int mask = PB.Format ? 3 : 1, shift = PB.Format ? 2 : 1;
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u32 pos[2] = {0, 0};
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@ -57,7 +57,7 @@ void CUCode_Zelda::WritebackVoicePB(u32 _Addr, ZeldaVoicePB& PB)
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void CUCode_Zelda::RenderVoice_PCM16(ZeldaVoicePB &PB, s32* _Buffer, int _Size)
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{
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float ratioFactor = 32000.0f / (float)soundStream->GetMixer()->GetSampleRate();
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u32 _ratio = (((PB.RatioInt * 80) + PB.RatioFrac) << 4) & 0xFFFF0000;
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u32 _ratio = (((PB.RatioInt * 80) + PB.CurSampleFrac) << 4) & 0xFFFF0000;
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u64 ratio = (u64)(((_ratio / 80) << 16) * ratioFactor);
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u32 pos[2] = {0, 0};
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@ -129,7 +129,7 @@ _lRestart:
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void CUCode_Zelda::RenderVoice_AFC(ZeldaVoicePB &PB, s32* _Buffer, int _Size)
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{
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float ratioFactor = 32000.0f / (float)soundStream->GetMixer()->GetSampleRate();
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u32 _ratio = (PB.RatioInt<<16) + PB.RatioFrac;
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u32 _ratio = (PB.RatioInt << 16);// + PB.RatioFrac;
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s64 ratio = (_ratio * ratioFactor) * 16; // (s64)(((_ratio / 80) << 16) * ratioFactor);
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// initialize "decoder" if the sample is played the first time
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@ -151,17 +151,23 @@ void CUCode_Zelda::RenderVoice_AFC(ZeldaVoicePB &PB, s32* _Buffer, int _Size)
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// Copy ARAM addr from r to rw area.
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PB.CurAddr = PB.StartAddr;
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PB.ReachedEnd = 0;
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PB.CurSampleFrac = 0;
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// Looking at Zelda Four Swords
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// WARN_LOG(DSPHLE, "PB -----: %04x", PB.Unk03);
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// WARN_LOG(DSPHLE, "PB Unk03: %04x", PB.Unk03); 0
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// WARN_LOG(DSPHLE, "PB Unk07: %04x", PB.Unk07[0]); 0
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//WARN_LOG(DSPHLE, "PB Unk09: %04x", PB.volumeLeft1); // often same value as 0a
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//WARN_LOG(DSPHLE, "PB Unk0a: %04x", PB.volumeLeft2);
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WARN_LOG(DSPHLE, "PB Unk09: %04x", PB.volumeLeft1); // often same value as 0a
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WARN_LOG(DSPHLE, "PB Unk0a: %04x", PB.volumeLeft2);
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//WARN_LOG(DSPHLE, "PB Unk0d: %04x", PB.volumeRight1); // often same value as 0e
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//WARN_LOG(DSPHLE, "PB Unk0e: %04x", PB.volumeRight2);
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WARN_LOG(DSPHLE, "PB Unk0d: %04x", PB.volumeRight1); // often same value as 0e
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WARN_LOG(DSPHLE, "PB Unk0e: %04x", PB.volumeRight2);
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WARN_LOG(DSPHLE, "PB UnkVol11: %04x", PB.volumeUnknown1_1);
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WARN_LOG(DSPHLE, "PB UnkVol12: %04x", PB.volumeUnknown1_2);
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WARN_LOG(DSPHLE, "PB UnkVol21: %04x", PB.volumeUnknown2_1);
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WARN_LOG(DSPHLE, "PB UnkVol22: %04x", PB.volumeUnknown2_2);
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/// WARN_LOG(DSPHLE, "PB Unk78: %04x", PB.Unk78);
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// WARN_LOG(DSPHLE, "PB Unk79: %04x", PB.Unk79);
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@ -222,18 +228,19 @@ restart:
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AFCdecodebuffer(m_AFCCoefTable, (char*)(source + (PB.CurAddr & ram_mask)), outbuf, (short*)&PB.YN2, (short*)&PB.YN1, PB.Format);
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PB.CurAddr += 9;
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s64 TrueSamplePosition = (s64)(PB.Length - PB.RemLength) << 32;
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s64 delta = ratio; // 0x100000000ULL;
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s64 TrueSamplePosition = (s64)(PB.Length - PB.RemLength) << 16;
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TrueSamplePosition += PB.CurSampleFrac;
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s64 delta = ratio >> 16; // 0x100000000ULL;
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int sampleCount = 0;
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while (sampleCount < _Size)
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{
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int SamplePosition = TrueSamplePosition >> 32;
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int SamplePosition = TrueSamplePosition >> 16;
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_Buffer[sampleCount] = outbuf[SamplePosition & 15];
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sampleCount++;
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TrueSamplePosition += delta;
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int TargetPosition = TrueSamplePosition >> 32;
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int TargetPosition = TrueSamplePosition >> 16;
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// Decode forwards...
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while (SamplePosition < TargetPosition)
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@ -267,7 +274,7 @@ restart:
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// }
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PB.NeedsReset = 0;
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PB.CurSampleFrac = TrueSamplePosition & 0xFFFF;
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// write back
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// NumberOfSamples = (NumberOfSamples << 4) | frac; // missing fraction
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@ -315,7 +322,7 @@ void CUCode_Zelda::RenderAddVoice(ZeldaVoicePB &PB, s32* _LeftBuffer, s32* _Righ
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WARN_LOG(DSPHLE, "5 byte AFC - does it work?");
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case 0x0009: // AFC with normal bitrate (32:9 compression).
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// Use this to disable music (GREAT for testing)
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// XK: Use this to disable music (GREAT for testing)
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//if(PB.SoundType == 0x0d00)
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// break;
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