auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 166 deletions

diff --git a/arm-wt-22k/lib_src/ARM-E_voice_gain_gnu.s b/arm-wt-22k/lib_src/ARM-E_voice_gain_gnu.s
deleted file mode 100644
index 4517a3d..0000000
--- a/arm-wt-22k/lib_src/ARM-E_voice_gain_gnu.s
+++ /dev/null
@@ -1,166 +0,0 @@
-@***********************************************************

-@ Function:    WT_VoiceGain

-@ Processor:   ARM-E

-@ Description: the main synthesis function when fetching 

-@			   wavetable samples.

-@              C-callable.

-@

-@ Usage: 

-@ Usage: 

-@	WT_VoiceGain(

-@			S_WT_VOICE *pWTVoice,

-@			S_WT_FRAME *pWTFrame);

-@

-@ Copyright 2004, 2005 Sonic Network, Inc.

-@****************************************************************

-@ Revision Control:

-@   $Revision: 814 $

-@   $Date: 2007-08-02 10:34:53 -0700 (Thu, 02 Aug 2007) $

-@****************************************************************

-@

-@   where:

-@	S_WT_VOICE *psVoice

-@	PASSED IN: r0

-@

-@	S_WT_FRAME *pWTFrame

-@	PASSED IN: r1

-@****************************************************************

-

-

-

-	.include	"ARM_synth_constants_gnu.inc"

-

-	.arm

-	.text

-

-	.global	WT_VoiceGain

-	

-@ Register usage

-@ --------------

-pWTVoice	.req	r0

-pWTFrame	.req	r1

-pInputBuffer	.req	r2

-pMixBuffer	.req	r3

-

-tmp0	.req	r4

-tmp1	.req	r5

-tmp2	.req	r1	@ reuse register

-tmp3	.req	r6

-

-numSamples	.req	r9

-

-	.if	STEREO_OUTPUT

-gainIncLeft	.req	r7

-gainIncRight	.req	r8

-gainLeft	.req	r10

-gainRight	.req	r11

-	.else

-gainIncrement	.req	r7

-gain	.req	r8

-	.endif

-

-

-@ register context for local variables

-@SaveRegs	RLIST	{r4-r11,lr}

-@RestoreRegs	RLIST	{r4-r11,pc}

-

-	.func	WT_VoiceGain

-WT_VoiceGain:

-

-	STMFD	sp!, {r4-r11,lr}

-

-	LDR		pInputBuffer, [pWTFrame, #m_pAudioBuffer]

-	LDR		pMixBuffer, [pWTFrame, #m_pMixBuffer]

-	LDR		numSamples, [pWTFrame, #m_numSamples]

-	

-@----------------------------------------------------------------

-@ Stereo version

-@----------------------------------------------------------------

-@ NOTE: instructions are reordered to reduce the effect of latency 

-@ due to storage and computational dependencies.

-@----------------------------------------------------------------

-

-	.if	STEREO_OUTPUT

-

-	LDR		tmp0, [pWTFrame, #m_prevGain]

-	LDR		tmp1, [pWTFrame, #m_gainTarget]

-	

-	LDRSH	gainLeft, [pWTVoice, #m_gainLeft]

-	LDRSH	gainRight, [pWTVoice, #m_gainRight]

-	

-	MOV		gainIncLeft, gainLeft

-	SMULBB	gainLeft, tmp0, gainLeft

-

-	SMULBB	gainIncLeft, tmp1, gainIncLeft

-	SUB		gainIncLeft, gainIncLeft, gainLeft

-	MOV		gainLeft, gainLeft, ASR #(NUM_MIXER_GUARD_BITS - 2)

-	MOV		gainIncLeft, gainIncLeft, ASR #(SYNTH_UPDATE_PERIOD_IN_BITS + NUM_MIXER_GUARD_BITS - 2)

-

-	MOV		gainIncRight, gainRight

-	SMULBB	gainRight, tmp0, gainRight

-

-	SMULBB	gainIncRight, tmp1, gainIncRight

-	SUB		gainIncRight, gainIncRight, gainRight

-	MOV		gainRight, gainRight, ASR #(NUM_MIXER_GUARD_BITS - 2)

-	MOV		gainIncRight, gainIncRight, ASR #(SYNTH_UPDATE_PERIOD_IN_BITS + NUM_MIXER_GUARD_BITS - 2)

-

-	LDRSH		tmp0, [pInputBuffer], #2

-	

-StereoGainLoop:

-	LDR		tmp1, [pMixBuffer]

-

-	ADD		gainLeft, gainLeft, gainIncLeft

-

-	SMLAWB	tmp1, gainLeft, tmp0, tmp1

-

-	LDR		tmp2, [pMixBuffer, #4]

-

-	ADD		gainRight, gainRight, gainIncRight

-

-	STR		tmp1, [pMixBuffer], #4

-

-	SMLAWB	tmp2, gainRight, tmp0, tmp2

-

-	SUBS	numSamples, numSamples, #1

-

-	LDRGTSH	tmp0, [pInputBuffer], #2

-	

-	STR		tmp2, [pMixBuffer], #4

-

-	BGT		StereoGainLoop

-

-@----------------------------------------------------------------

-@ Mono version

-@----------------------------------------------------------------

-	.else

-

-	LDR		gain, [pWTFrame, #m_prevGain]

-	MOV		gain, gain, LSL #(NUM_MIXER_GUARD_BITS + 4)

-	LDR		gainIncrement, [pWTFrame, #m_gainTarget]

-	MOV		gainIncrement, gainIncrement, LSL #(NUM_MIXER_GUARD_BITS + 4)

-	SUB		gainIncrement, gainIncrement, gain

-	MOV		gainIncrement, gainIncrement, ASR #SYNTH_UPDATE_PERIOD_IN_BITS

-	

-MonoGainLoop:

-

-	LDRSH	tmp0, [pInputBuffer], #NEXT_OUTPUT_PCM	@ fetch voice output

-	

-	LDR		tmp1, [pMixBuffer]						@ get left channel output sample

-	ADD		gain, gain, gainIncrement				@ gain step to eliminate zipper noise

-	SMULWB	tmp0, gain, tmp0 						@ sample * local gain

-

-	MOV		tmp0, tmp0, ASR #1						@ add 6dB headroom

-	ADD 	tmp1, tmp0, tmp1

-	STR		tmp1, [pMixBuffer], #4					@ save and bump pointer

-	

-	SUBS	numSamples, numSamples, #1

-	BGT		MonoGainLoop

-

-	.endif	@end Mono version

-

-	LDMFD	sp!,{r4-r11,lr}

-	BX		lr

-	

-	.endfunc

-	.end

-