Optimized WebRtcIsacfix_Spec2Time() for iSAC-Fix in ARM Neon processor. Speed doubled.
Review URL: https://webrtc-codereview.appspot.com/930033 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3274 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
kma@webrtc.org
@@ -90,7 +90,8 @@ LOCAL_SRC_FILES := \
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filterbanks_neon.S \
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filterbanks_neon.S \
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filters_neon.S \
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filters_neon.S \
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lattice_neon.S \
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lattice_neon.S \
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lpc_masking_model_neon.S
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lpc_masking_model_neon.S \
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transform_neon.S
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# Flags passed to both C and C++ files.
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# Flags passed to both C and C++ files.
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LOCAL_CFLAGS := \
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LOCAL_CFLAGS := \
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@@ -75,12 +75,23 @@ void WebRtcIsacfix_Time2Spec(WebRtc_Word16 *inre1Q9,
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WebRtc_Word16 *outre,
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WebRtc_Word16 *outre,
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WebRtc_Word16 *outim);
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WebRtc_Word16 *outim);
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typedef void (*Spec2Time)(WebRtc_Word16* inreQ7,
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void WebRtcIsacfix_Spec2Time(WebRtc_Word16 *inreQ7,
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WebRtc_Word16* inimQ7,
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WebRtc_Word16* inimQ7,
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WebRtc_Word32* outre1Q16,
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WebRtc_Word32* outre1Q16,
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WebRtc_Word32* outre2Q16);
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WebRtc_Word32* outre2Q16);
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extern Spec2Time WebRtcIsacfix_Spec2Time;
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void WebRtcIsacfix_Spec2TimeC(WebRtc_Word16* inreQ7,
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WebRtc_Word16* inimQ7,
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WebRtc_Word32* outre1Q16,
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WebRtc_Word32* outre2Q16);
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#if (defined WEBRTC_DETECT_ARM_NEON) || (defined WEBRTC_ARCH_ARM_NEON)
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void WebRtcIsacfix_Spec2TimeNeon(WebRtc_Word16* inreQ7,
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WebRtc_Word16* inimQ7,
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WebRtc_Word32* outre1Q16,
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WebRtc_Word32* outre2Q16);
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#endif
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@@ -182,6 +182,7 @@ WebRtc_Word16 WebRtcIsacfix_FreeInternal(ISACFIX_MainStruct *ISAC_main_inst)
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static void WebRtcIsacfix_InitNeon(void) {
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static void WebRtcIsacfix_InitNeon(void) {
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WebRtcIsacfix_AutocorrFix = WebRtcIsacfix_AutocorrNeon;
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WebRtcIsacfix_AutocorrFix = WebRtcIsacfix_AutocorrNeon;
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WebRtcIsacfix_FilterMaLoopFix = WebRtcIsacfix_FilterMaLoopNeon;
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WebRtcIsacfix_FilterMaLoopFix = WebRtcIsacfix_FilterMaLoopNeon;
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WebRtcIsacfix_Spec2Time = WebRtcIsacfix_Spec2TimeNeon;
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WebRtcIsacfix_CalculateResidualEnergy =
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WebRtcIsacfix_CalculateResidualEnergy =
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WebRtcIsacfix_CalculateResidualEnergyNeon;
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WebRtcIsacfix_CalculateResidualEnergyNeon;
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WebRtcIsacfix_AllpassFilter2FixDec16 =
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WebRtcIsacfix_AllpassFilter2FixDec16 =
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@@ -274,6 +275,8 @@ WebRtc_Word16 WebRtcIsacfix_EncoderInit(ISACFIX_MainStruct *ISAC_main_inst,
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WebRtcIsacfix_CalculateResidualEnergyC;
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WebRtcIsacfix_CalculateResidualEnergyC;
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WebRtcIsacfix_AllpassFilter2FixDec16 =
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WebRtcIsacfix_AllpassFilter2FixDec16 =
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WebRtcIsacfix_AllpassFilter2FixDec16C;
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WebRtcIsacfix_AllpassFilter2FixDec16C;
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WebRtcIsacfix_Spec2Time =
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WebRtcIsacfix_Spec2TimeC;
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#ifdef WEBRTC_DETECT_ARM_NEON
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#ifdef WEBRTC_DETECT_ARM_NEON
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if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
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if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
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@@ -101,6 +101,7 @@
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'filters_neon.S',
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'filters_neon.S',
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'lattice_neon.S',
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'lattice_neon.S',
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'lpc_masking_model_neon.S',
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'lpc_masking_model_neon.S',
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'transform_neon.S',
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],
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],
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},
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},
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],
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],
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@@ -15,13 +15,14 @@
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*
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*
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*/
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*/
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#include "fft.h"
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#include "webrtc/modules/audio_coding/codecs/isac/fix/source/transform.h"
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#include "codec.h"
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#include "settings.h"
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#include "webrtc/modules/audio_coding/codecs/isac/fix/source/codec.h"
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#include "webrtc/modules/audio_coding/codecs/isac/fix/source/fft.h"
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#include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
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/* Cosine table 1 in Q14 */
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/* Cosine table 1 in Q14 */
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static const WebRtc_Word16 kCosTab1[FRAMESAMPLES/2] = {
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const WebRtc_Word16 kCosTab1[FRAMESAMPLES/2] = {
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16384, 16383, 16378, 16371, 16362, 16349, 16333, 16315, 16294, 16270,
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16384, 16383, 16378, 16371, 16362, 16349, 16333, 16315, 16294, 16270,
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16244, 16214, 16182, 16147, 16110, 16069, 16026, 15980, 15931, 15880,
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16244, 16214, 16182, 16147, 16110, 16069, 16026, 15980, 15931, 15880,
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15826, 15769, 15709, 15647, 15582, 15515, 15444, 15371, 15296, 15218,
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15826, 15769, 15709, 15647, 15582, 15515, 15444, 15371, 15296, 15218,
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@@ -50,7 +51,7 @@ static const WebRtc_Word16 kCosTab1[FRAMESAMPLES/2] = {
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/* Sine table 1 in Q14 */
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/* Sine table 1 in Q14 */
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static const WebRtc_Word16 kSinTab1[FRAMESAMPLES/2] = {
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const WebRtc_Word16 kSinTab1[FRAMESAMPLES/2] = {
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0, 214, 429, 643, 857, 1072, 1285, 1499, 1713, 1926,
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0, 214, 429, 643, 857, 1072, 1285, 1499, 1713, 1926,
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2139, 2351, 2563, 2775, 2986, 3196, 3406, 3616, 3825, 4033,
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2139, 2351, 2563, 2775, 2986, 3196, 3406, 3616, 3825, 4033,
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4240, 4447, 4653, 4859, 5063, 5266, 5469, 5671, 5872, 6071,
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4240, 4447, 4653, 4859, 5063, 5266, 5469, 5671, 5872, 6071,
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@@ -79,7 +80,7 @@ static const WebRtc_Word16 kSinTab1[FRAMESAMPLES/2] = {
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/* Cosine table 2 in Q14 */
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/* Cosine table 2 in Q14 */
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static const WebRtc_Word16 kCosTab2[FRAMESAMPLES/4] = {
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const WebRtc_Word16 kCosTab2[FRAMESAMPLES/4] = {
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107, -322, 536, -750, 965, -1179, 1392, -1606, 1819, -2032,
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107, -322, 536, -750, 965, -1179, 1392, -1606, 1819, -2032,
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2245, -2457, 2669, -2880, 3091, -3301, 3511, -3720, 3929, -4137,
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2245, -2457, 2669, -2880, 3091, -3301, 3511, -3720, 3929, -4137,
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4344, -4550, 4756, -4961, 5165, -5368, 5570, -5771, 5971, -6171,
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4344, -4550, 4756, -4961, 5165, -5368, 5570, -5771, 5971, -6171,
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@@ -96,7 +97,7 @@ static const WebRtc_Word16 kCosTab2[FRAMESAMPLES/4] = {
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/* Sine table 2 in Q14 */
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/* Sine table 2 in Q14 */
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static const WebRtc_Word16 kSinTab2[FRAMESAMPLES/4] = {
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const WebRtc_Word16 kSinTab2[FRAMESAMPLES/4] = {
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16384, -16381, 16375, -16367, 16356, -16342, 16325, -16305, 16283, -16257,
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16384, -16381, 16375, -16367, 16356, -16342, 16325, -16305, 16283, -16257,
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16229, -16199, 16165, -16129, 16090, -16048, 16003, -15956, 15906, -15853,
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16229, -16199, 16165, -16129, 16090, -16048, 16003, -15956, 15906, -15853,
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15798, -15739, 15679, -15615, 15549, -15480, 15408, -15334, 15257, -15178,
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15798, -15739, 15679, -15615, 15549, -15480, 15408, -15334, 15257, -15178,
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@@ -111,7 +112,8 @@ static const WebRtc_Word16 kSinTab2[FRAMESAMPLES/4] = {
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2032, -1819, 1606, -1392, 1179, -965, 750, -536, 322, -107
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2032, -1819, 1606, -1392, 1179, -965, 750, -536, 322, -107
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};
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};
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// Declare a function pointer.
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Spec2Time WebRtcIsacfix_Spec2Time;
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void WebRtcIsacfix_Time2Spec(WebRtc_Word16 *inre1Q9,
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void WebRtcIsacfix_Time2Spec(WebRtc_Word16 *inre1Q9,
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WebRtc_Word16 *inre2Q9,
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WebRtc_Word16 *inre2Q9,
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@@ -200,7 +202,7 @@ void WebRtcIsacfix_Time2Spec(WebRtc_Word16 *inre1Q9,
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}
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}
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void WebRtcIsacfix_Spec2Time(WebRtc_Word16 *inreQ7, WebRtc_Word16 *inimQ7, WebRtc_Word32 *outre1Q16, WebRtc_Word32 *outre2Q16)
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void WebRtcIsacfix_Spec2TimeC(WebRtc_Word16 *inreQ7, WebRtc_Word16 *inimQ7, WebRtc_Word32 *outre1Q16, WebRtc_Word32 *outre2Q16)
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{
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{
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int k;
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int k;
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@@ -0,0 +1,37 @@
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/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_TRANSFORM_H_
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#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_TRANSFORM_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
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#include "webrtc/typedefs.h"
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/* Cosine table 1 in Q14 */
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extern const WebRtc_Word16 kCosTab1[FRAMESAMPLES/2];
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/* Sine table 1 in Q14 */
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extern const WebRtc_Word16 kSinTab1[FRAMESAMPLES/2];
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/* Cosine table 2 in Q14 */
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extern const WebRtc_Word16 kCosTab2[FRAMESAMPLES/4];
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/* Sine table 2 in Q14 */
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extern const WebRtc_Word16 kSinTab2[FRAMESAMPLES/4];
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_TRANSFORM_H_ */
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@@ -0,0 +1,382 @@
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@
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@ Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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@
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@ Use of this source code is governed by a BSD-style license
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@ that can be found in the LICENSE file in the root of the source
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@ tree. An additional intellectual property rights grant can be found
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@ in the file PATENTS. All contributing project authors may
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@ be found in the AUTHORS file in the root of the source tree.
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@
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@ Reference code in transform.c. Bit not exact due to how rounding is
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@ done in C code and ARM instructions, but quality by assembly code is
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@ not worse.
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#include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
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#include "webrtc/system_wrappers/interface/asm_defines.h"
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GLOBAL_FUNCTION WebRtcIsacfix_Spec2TimeNeon
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@ void WebRtcIsacfix_Spec2TimeNeon(WebRtc_Word16 *inreQ7,
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@ WebRtc_Word16 *inimQ7,
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@ WebRtc_Word32 *outre1Q16,
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@ WebRtc_Word32 *outre2Q16);
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DEFINE_FUNCTION WebRtcIsacfix_Spec2TimeNeon
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.align 2
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push {r4-r11,lr}
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vpush {q4-q7}
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sub sp, sp, #16
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str r0, [sp] @ inreQ7
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str r1, [sp, #4] @ inimQ7
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str r2, [sp, #8] @ outre1Q16
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str r3, [sp, #12] @ outre2Q16
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mov r8, #(FRAMESAMPLES - 16)
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add r12, r0, r8 @ &inreQ7[FRAMESAMPLES/2 - 8]
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add r11, r1, r8 @ &inimQ7[FRAMESAMPLES/2 - 8]
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add r4, r2, r8, lsl #1 @ &outRe1Q16[FRAMESAMPLES/2 - 8]
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add r6, r3, r8, lsl #1 @ &outRe2Q16[FRAMESAMPLES/2 - 8]
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mov r8, #(FRAMESAMPLES / 2) @ loop counter
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ldr r9, =kCosTab2
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ldr r10, =kSinTab2
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mov r5, #-32
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mov r7, #-16
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vmov.u32 q6, #0 @ Initialize the maximum values for tmpInIm.
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vmov.u32 q7, #0 @ Initialize the maximum values for tmpInRe.
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TRANSFORM_AND_FIND_MAX:
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@ Use ">> 5", instead of "<< 9" and then ">> 14" as in the C code.
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@ Bit-exact.
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vld1.16 {q0}, [r9]! @ kCosTab2[]
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vld1.16 {q1}, [r10]! @ kSinTab2[]
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vld1.16 {q2}, [r0]! @ inreQ7[]
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vld1.16 {q3}, [r1]! @ inimQ7[]
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vmull.s16 q8, d0, d4 @ kCosTab2[k] x inreQ7[k]
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vmull.s16 q9, d1, d5 @ kCosTab2[k] x inreQ7[k]
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vmull.s16 q10, d2, d6 @ kSinTab2[k] x inimQ7[k]
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vmull.s16 q11, d3, d7 @ kSinTab2[k] x inimQ7[k]
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vmull.s16 q12, d0, d6 @ kCosTab2[k] x inimQ7[k]
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vmull.s16 q13, d1, d7 @ kCosTab2[k] x inimQ7[k]
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vmull.s16 q14, d2, d4 @ kSinTab2[k] x inreQ7[k]
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vmull.s16 q15, d3, d5 @ kSinTab2[k] x inreQ7[k]
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vld1.16 {q2}, [r11], r7 @ inimQ7[FRAMESAMPLES/2 - 9 - i]
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vld1.16 {q3}, [r12], r7 @ inreQ7[FRAMESAMPLES/2 - 9 - i]
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vadd.s32 q8, q8, q10
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vadd.s32 q9, q9, q11
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vsub.s32 q12, q12, q14
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vsub.s32 q13, q13, q15
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subs r8, #16
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vrev64.16 q2, q2 @ Reverse the order of the samples
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vrev64.16 q3, q3 @ Reverse the order of the samples
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vshr.s32 q8, q8, #5 @ xrQ16
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vshr.s32 q9, q9, #5 @ xrQ16
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vshr.s32 q12, q12, #5 @ xiQ16
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vshr.s32 q13, q13, #5 @ xiQ16
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vmull.s16 q10, d0, d7 @ kCosTab2[k] * inreQ7[k]
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vmull.s16 q11, d1, d6 @ kCosTab2[k] * inreQ7[k]
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vmull.s16 q14, d2, d5 @ kSinTab2[k] * inimQ7[k]
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vmull.s16 q15, d3, d4 @ kSinTab2[k] * inimQ7[k]
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vmull.s16 q4, d0, d5 @ kCosTab2[k] * inimQ7[]
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vmull.s16 q5, d1, d4 @ kCosTab2[k] * inimQ7[]
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vmull.s16 q0, d2, d7 @ kSinTab2[k] * inreQ7[]
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vmull.s16 q2, d3, d6 @ kSinTab2[k] * inreQ7[]
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vsub.s32 q14, q14, q10 @ kSinTab2[k] * inimQ7[k] -kCosTab2[k] * inreQ7[k]
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vsub.s32 q15, q15, q11 @ kSinTab2[k] * inimQ7[k] -kCosTab2[k] * inreQ7[k]
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vadd.s32 q10, q4, q0 @ kCosTab2[k] * inimQ7[] + kSinTab2[k] * inreQ7[]
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vadd.s32 q11, q5, q2 @ kCosTab2[k] * inimQ7[] + kSinTab2[k] * inreQ7[]
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vshr.s32 q14, q14, #5 @ yiQ16
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||||||
|
vshr.s32 q15, q15, #5 @ yiQ16
|
||||||
|
|
||||||
|
vneg.s32 q10, q10
|
||||||
|
vneg.s32 q11, q11
|
||||||
|
|
||||||
|
@ xrQ16 - yiQ16
|
||||||
|
vsub.s32 q0, q8, q14
|
||||||
|
vsub.s32 q1, q9, q15
|
||||||
|
|
||||||
|
vshr.s32 q10, q10, #5 @ yrQ16
|
||||||
|
vshr.s32 q11, q11, #5 @ yrQ16
|
||||||
|
|
||||||
|
@ xrQ16 + yiQ16
|
||||||
|
vadd.s32 q3, q8, q14
|
||||||
|
vadd.s32 q2, q9, q15
|
||||||
|
|
||||||
|
@ yrQ16 + xiQ16
|
||||||
|
vadd.s32 q4, q10, q12
|
||||||
|
vadd.s32 q5, q11, q13
|
||||||
|
|
||||||
|
@ yrQ16 - xiQ16
|
||||||
|
vsub.s32 q9, q10, q12
|
||||||
|
vsub.s32 q8, q11, q13
|
||||||
|
|
||||||
|
@ Reverse the order of the samples
|
||||||
|
vrev64.32 q2, q2
|
||||||
|
vrev64.32 q3, q3
|
||||||
|
vrev64.32 q8, q8
|
||||||
|
vrev64.32 q9, q9
|
||||||
|
vswp d4, d5
|
||||||
|
vswp d6, d7
|
||||||
|
vswp d16, d17
|
||||||
|
vswp d18, d19
|
||||||
|
|
||||||
|
vst1.32 {q0, q1}, [r2]! @ outre1Q16[k]
|
||||||
|
vst1.32 {q2, q3}, [r4], r5 @ outre1Q16[FRAMESAMPLES/2 - 1 - k]
|
||||||
|
vst1.32 {q4, q5}, [r3]! @ outre2Q16[k]
|
||||||
|
vst1.32 {q8, q9}, [r6], r5 @ outre2Q16[FRAMESAMPLES/2 - 1 - k]
|
||||||
|
|
||||||
|
@ Find the absolute maximum in the vectors and store them in q6 and q7.
|
||||||
|
vabs.s32 q10, q0
|
||||||
|
vabs.s32 q11, q1
|
||||||
|
vabs.s32 q12, q2
|
||||||
|
vabs.s32 q13, q3
|
||||||
|
vabs.s32 q14, q4
|
||||||
|
vmax.u32 q6, q10 @ Use u32 so we don't lose the value 0x80000000.
|
||||||
|
vmax.u32 q7, q14 @ Maximum for outre2Q16[].
|
||||||
|
vabs.s32 q15, q5
|
||||||
|
vmax.u32 q6, q11 @ Maximum for outre1Q16[].
|
||||||
|
vmax.u32 q7, q15
|
||||||
|
vabs.s32 q0, q8
|
||||||
|
vmax.u32 q6, q12
|
||||||
|
vmax.u32 q7, q0
|
||||||
|
vabs.s32 q1, q9
|
||||||
|
vmax.u32 q6, q13
|
||||||
|
vmax.u32 q7, q1
|
||||||
|
|
||||||
|
bgt TRANSFORM_AND_FIND_MAX
|
||||||
|
|
||||||
|
@ Find the maximum value in the Neon registers
|
||||||
|
vmax.u32 d12, d13
|
||||||
|
vmax.u32 d14, d15
|
||||||
|
vpmax.u32 d12, d12, d12 @ Both 32 bits words hold the same value tmpInIm.
|
||||||
|
vpmax.u32 d14, d14, d14 @ Both 32 bits words hold the same value tmpInRe.
|
||||||
|
vmax.s32 d14, d12, d14 @ if (tmpInIm>tmpInRe) tmpInRe = tmpInIm;
|
||||||
|
|
||||||
|
ldr r4, [sp] @ inreQ7
|
||||||
|
vcls.s32 d15, d14 @ sh = WebRtcSpl_NormW32(tmpInRe);
|
||||||
|
ldr r5, [sp, #4] @ inimQ7
|
||||||
|
vmov.i32 d14, #24 @ sh = sh-24;
|
||||||
|
ldr r6, [sp, #8] @ outre1Q16
|
||||||
|
vsub.s32 d15, d15, d14
|
||||||
|
ldr r7, [sp, #12] @ outre2Q16
|
||||||
|
vdup.s32 q8, d15[0] @ sh
|
||||||
|
|
||||||
|
mov r8, #(FRAMESAMPLES / 2)
|
||||||
|
|
||||||
|
PRE_FFT_SHIFT:
|
||||||
|
vld1.32 {q0, q1}, [r6]! @ outre1Q16[]
|
||||||
|
vld1.32 {q2, q3}, [r6]! @ outre1Q16[]
|
||||||
|
vld1.32 {q4, q5}, [r7]! @ outre2Q16[]
|
||||||
|
vld1.32 {q6, q7}, [r7]! @ outre2Q16[]
|
||||||
|
|
||||||
|
subs r8, #16
|
||||||
|
|
||||||
|
vrshl.s32 q0, q0, q8
|
||||||
|
vrshl.s32 q1, q1, q8
|
||||||
|
vrshl.s32 q2, q2, q8
|
||||||
|
vrshl.s32 q3, q3, q8
|
||||||
|
vrshl.s32 q4, q4, q8
|
||||||
|
vrshl.s32 q5, q5, q8
|
||||||
|
vrshl.s32 q6, q6, q8
|
||||||
|
vrshl.s32 q7, q7, q8
|
||||||
|
|
||||||
|
vmovn.s32 d0, q0
|
||||||
|
vmovn.s32 d1, q1
|
||||||
|
vmovn.s32 d2, q2
|
||||||
|
vmovn.s32 d3, q3
|
||||||
|
vmovn.s32 d4, q4
|
||||||
|
vmovn.s32 d5, q5
|
||||||
|
vmovn.s32 d6, q6
|
||||||
|
vmovn.s32 d7, q7
|
||||||
|
|
||||||
|
vst1.16 {q0, q1}, [r4]! @ inreQ7[]
|
||||||
|
vst1.16 {q2, q3}, [r5]! @ inimQ7[]
|
||||||
|
|
||||||
|
bgt PRE_FFT_SHIFT
|
||||||
|
|
||||||
|
ldr r0, [sp] @ inreQ7
|
||||||
|
ldr r1, [sp, #4] @ inimQ7
|
||||||
|
mov r2, #1
|
||||||
|
bl WebRtcIsacfix_FftRadix16Fastest(PLT)
|
||||||
|
|
||||||
|
ldr r4, [sp] @ inreQ7
|
||||||
|
ldr r5, [sp, #4] @ inimQ7
|
||||||
|
ldr r6, [sp, #8] @ outre1Q16
|
||||||
|
ldr r7, [sp, #12] @ outre2Q16
|
||||||
|
mov r8, #(FRAMESAMPLES / 2)
|
||||||
|
vneg.s32 q5, q8 @ -sh
|
||||||
|
movw r0, #273
|
||||||
|
vdup.s32 d8, r0
|
||||||
|
|
||||||
|
POST_FFT_SHIFT_DIVIDE:
|
||||||
|
vld1.16 {q0, q1}, [r4]! @ inreQ7
|
||||||
|
vld1.16 {q2, q3}, [r5]! @ inimQ7
|
||||||
|
|
||||||
|
subs r8, #16
|
||||||
|
|
||||||
|
vmovl.s16 q6, d0
|
||||||
|
vmovl.s16 q7, d1
|
||||||
|
vmovl.s16 q8, d2
|
||||||
|
vmovl.s16 q9, d3
|
||||||
|
vmovl.s16 q0, d4
|
||||||
|
vmovl.s16 q1, d5
|
||||||
|
vmovl.s16 q2, d6
|
||||||
|
vmovl.s16 q3, d7
|
||||||
|
|
||||||
|
vshl.s32 q6, q6, q5
|
||||||
|
vshl.s32 q7, q7, q5
|
||||||
|
vshl.s32 q8, q8, q5
|
||||||
|
vshl.s32 q9, q9, q5
|
||||||
|
vshl.s32 q0, q0, q5
|
||||||
|
vshl.s32 q1, q1, q5
|
||||||
|
vshl.s32 q2, q2, q5
|
||||||
|
vshl.s32 q3, q3, q5
|
||||||
|
|
||||||
|
@ WEBRTC_SPL_MUL_16_32_RSFT16(273, outre1Q16[k])
|
||||||
|
vmull.s32 q10, d12, d8
|
||||||
|
vmull.s32 q11, d13, d8
|
||||||
|
vmull.s32 q12, d14, d8
|
||||||
|
vmull.s32 q13, d15, d8
|
||||||
|
vshrn.s64 d12, q10, #16
|
||||||
|
vshrn.s64 d13, q11, #16
|
||||||
|
vshrn.s64 d14, q12, #16
|
||||||
|
vshrn.s64 d15, q13, #16
|
||||||
|
|
||||||
|
vmull.s32 q10, d16, d8
|
||||||
|
vmull.s32 q11, d17, d8
|
||||||
|
vmull.s32 q12, d18, d8
|
||||||
|
vmull.s32 q13, d19, d8
|
||||||
|
vshrn.s64 d16, q10, #16
|
||||||
|
vshrn.s64 d17, q11, #16
|
||||||
|
vshrn.s64 d18, q12, #16
|
||||||
|
vshrn.s64 d19, q13, #16
|
||||||
|
|
||||||
|
@ WEBRTC_SPL_MUL_16_32_RSFT16(273, outre2Q16[k])
|
||||||
|
vmull.s32 q10, d0, d8
|
||||||
|
vmull.s32 q11, d1, d8
|
||||||
|
vmull.s32 q12, d2, d8
|
||||||
|
vmull.s32 q13, d3, d8
|
||||||
|
vshrn.s64 d0, q10, #16
|
||||||
|
vshrn.s64 d1, q11, #16
|
||||||
|
vshrn.s64 d2, q12, #16
|
||||||
|
vshrn.s64 d3, q13, #16
|
||||||
|
|
||||||
|
vmull.s32 q10, d4, d8
|
||||||
|
vmull.s32 q11, d5, d8
|
||||||
|
vmull.s32 q12, d6, d8
|
||||||
|
vmull.s32 q13, d7, d8
|
||||||
|
vshrn.s64 d4, q10, #16
|
||||||
|
vshrn.s64 d5, q11, #16
|
||||||
|
vshrn.s64 d6, q12, #16
|
||||||
|
vshrn.s64 d7, q13, #16
|
||||||
|
|
||||||
|
vst1.32 {q6, q7}, [r6]! @ outre1Q16[]
|
||||||
|
vst1.32 {q8, q9}, [r6]! @ outre1Q16[]
|
||||||
|
vst1.32 {q0, q1}, [r7]! @ outre2Q16[]
|
||||||
|
vst1.32 {q2, q3}, [r7]! @ outre2Q16[]
|
||||||
|
|
||||||
|
bgt POST_FFT_SHIFT_DIVIDE
|
||||||
|
|
||||||
|
mov r8, #(FRAMESAMPLES / 2)
|
||||||
|
ldr r9, =kCosTab1
|
||||||
|
ldr r10, =kSinTab1
|
||||||
|
ldr r2, [sp, #8] @ outre1Q16
|
||||||
|
ldr r3, [sp, #12] @ outre2Q16
|
||||||
|
movw r0, #31727
|
||||||
|
|
||||||
|
DEMODULATE_AND_SEPARATE:
|
||||||
|
vld1.16 {q0}, [r9]! @ kCosTab1[]
|
||||||
|
vld1.16 {q1}, [r10]! @ kSinTab1[]
|
||||||
|
vld1.32 {q2, q3}, [r2] @ outre1Q16
|
||||||
|
vld1.32 {q4, q5}, [r3] @ outre2Q16
|
||||||
|
|
||||||
|
vmovl.s16 q6, d0 @ kCosTab1[]
|
||||||
|
vmovl.s16 q7, d1 @ kCosTab1[]
|
||||||
|
vmovl.s16 q8, d2 @ kSinTab1[]
|
||||||
|
vmovl.s16 q9, d3 @ kSinTab1[]
|
||||||
|
|
||||||
|
vmull.s32 q10, d12, d4 @ kCosTab1[k] * outre1Q16[k]
|
||||||
|
vmull.s32 q11, d13, d5 @ kCosTab1[k] * outre1Q16[k]
|
||||||
|
vmull.s32 q12, d14, d6 @ kCosTab1[k] * outre1Q16[k]
|
||||||
|
vmull.s32 q13, d15, d7 @ kCosTab1[k] * outre1Q16[k]
|
||||||
|
|
||||||
|
vmull.s32 q0, d16, d8 @ kSinTab1[k] * outre2Q16[k]
|
||||||
|
vmull.s32 q1, d17, d9 @ kSinTab1[k] * outre2Q16[k]
|
||||||
|
vmull.s32 q14, d18, d10 @ kSinTab1[k] * outre2Q16[k]
|
||||||
|
vmull.s32 q15, d19, d11 @ kSinTab1[k] * outre2Q16[k]
|
||||||
|
|
||||||
|
vsub.s64 q10, q10, q0
|
||||||
|
vsub.s64 q11, q11, q1
|
||||||
|
vsub.s64 q12, q12, q14
|
||||||
|
vsub.s64 q13, q13, q15
|
||||||
|
|
||||||
|
vrshrn.s64 d20, q10, #14 @ xrQ16
|
||||||
|
vrshrn.s64 d21, q11, #14 @ xrQ16
|
||||||
|
vrshrn.s64 d22, q12, #14 @ xrQ16
|
||||||
|
vrshrn.s64 d23, q13, #14 @ xrQ16
|
||||||
|
|
||||||
|
subs r8, #8
|
||||||
|
|
||||||
|
vmull.s32 q12, d12, d8 @ kCosTab1[k] * outre2Q16[k]
|
||||||
|
vmull.s32 q13, d13, d9 @ kCosTab1[k] * outre2Q16[k]
|
||||||
|
vmull.s32 q14, d14, d10 @ kCosTab1[k] * outre2Q16[k]
|
||||||
|
vmull.s32 q15, d15, d11 @ kCosTab1[k] * outre2Q16[k]
|
||||||
|
|
||||||
|
vdup.s32 d9, r0 @ generic -> Neon doesn't cost extra cycles.
|
||||||
|
|
||||||
|
vmull.s32 q0, d16, d4 @ kSinTab1[k] * outre1Q16[k]
|
||||||
|
vmull.s32 q1, d17, d5 @ kSinTab1[k] * outre1Q16[k]
|
||||||
|
vmull.s32 q6, d18, d6 @ kSinTab1[k] * outre1Q16[k]
|
||||||
|
vmull.s32 q7, d19, d7 @ kSinTab1[k] * outre1Q16[k]
|
||||||
|
|
||||||
|
vadd.s64 q12, q12, q0
|
||||||
|
vadd.s64 q13, q13, q1
|
||||||
|
vadd.s64 q14, q14, q6
|
||||||
|
vadd.s64 q15, q15, q7
|
||||||
|
|
||||||
|
vrshrn.s64 d24, q12, #14 @ xiQ16
|
||||||
|
vrshrn.s64 d25, q13, #14 @ xiQ16
|
||||||
|
vrshrn.s64 d26, q14, #14 @ xiQ16
|
||||||
|
vrshrn.s64 d27, q15, #14 @ xiQ16
|
||||||
|
|
||||||
|
@ WEBRTC_SPL_MUL_16_32_RSFT11(factQ11, xrQ16)
|
||||||
|
vmull.s32 q0, d20, d9
|
||||||
|
vmull.s32 q1, d21, d9
|
||||||
|
vmull.s32 q2, d22, d9
|
||||||
|
vmull.s32 q3, d23, d9
|
||||||
|
|
||||||
|
vrshrn.s64 d0, q0, #11
|
||||||
|
vrshrn.s64 d1, q1, #11
|
||||||
|
vrshrn.s64 d2, q2, #11
|
||||||
|
vrshrn.s64 d3, q3, #11
|
||||||
|
|
||||||
|
@ WEBRTC_SPL_MUL_16_32_RSFT11(factQ11, xiQ16)
|
||||||
|
vmull.s32 q6, d24, d9
|
||||||
|
vmull.s32 q7, d25, d9
|
||||||
|
vmull.s32 q8, d26, d9
|
||||||
|
vmull.s32 q9, d27, d9
|
||||||
|
|
||||||
|
vrshrn.s64 d4, q6, #11
|
||||||
|
vrshrn.s64 d5, q7, #11
|
||||||
|
vrshrn.s64 d6, q8, #11
|
||||||
|
vrshrn.s64 d7, q9, #11
|
||||||
|
|
||||||
|
vst1.16 {q0, q1}, [r2]! @ outre1Q16[]
|
||||||
|
vst1.16 {q2, q3}, [r3]! @ outre2Q16[]
|
||||||
|
|
||||||
|
bgt DEMODULATE_AND_SEPARATE
|
||||||
|
|
||||||
|
add sp, sp, #16
|
||||||
|
vpop {q4-q7}
|
||||||
|
pop {r4-r11,pc}
|
||||||
@@ -0,0 +1,121 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
|
||||||
|
*
|
||||||
|
* Use of this source code is governed by a BSD-style license
|
||||||
|
* that can be found in the LICENSE file in the root of the source
|
||||||
|
* tree. An additional intellectual property rights grant can be found
|
||||||
|
* in the file PATENTS. All contributing project authors may
|
||||||
|
* be found in the AUTHORS file in the root of the source tree.
|
||||||
|
*/
|
||||||
|
#include "gtest/gtest.h"
|
||||||
|
#include "webrtc/modules/audio_coding/codecs/isac/fix/source/codec.h"
|
||||||
|
#include "webrtc/system_wrappers/interface/cpu_features_wrapper.h"
|
||||||
|
|
||||||
|
class TransformTest : public testing::Test {
|
||||||
|
protected:
|
||||||
|
TransformTest() {
|
||||||
|
WebRtcSpl_Init();
|
||||||
|
}
|
||||||
|
|
||||||
|
// Pass a function pointer to the Tester function.
|
||||||
|
void Spec2TimeTester(Spec2Time Spec2TimeFunction) {
|
||||||
|
// WebRtcIsacfix_Spec2Time functions hard coded the buffer lengths. It's a
|
||||||
|
// large buffer but we have to test it here.
|
||||||
|
const int kSamples = FRAMESAMPLES/2;
|
||||||
|
int16_t data_in_1[kSamples] = {0};
|
||||||
|
int16_t data_in_2[kSamples] = {0};
|
||||||
|
int32_t data_out_1[kSamples] = {0};
|
||||||
|
int32_t data_out_2[kSamples] = {0};
|
||||||
|
int32_t out_expected_1[kSamples]= {-3366470, -2285227, -3415765,
|
||||||
|
-2310215, -3118030, -2222470, -3030254, -2192091, -3423170, -2216041,
|
||||||
|
-3305541, -2171936, -3195767, -2095779, -3153304, -2157560, -3071167,
|
||||||
|
-2032108, -3101190, -1972016, -3103824, -2089118, -3139811, -1898337,
|
||||||
|
-3102801, -2055082, -3029665, -1854140, -2962586, -1966454, -3071167,
|
||||||
|
-1894588, -2851743, -1917315, -2848087, -1594932, -2799242, -1462184,
|
||||||
|
-2845887, -1437599, -2691776, -1329637, -2770659, -1268491, -2625161,
|
||||||
|
-1578991, -2460299, -1186385, -2365613, -1039354, -2322608, -958518,
|
||||||
|
-2271749, -789860, -2254538, -850308, -2384436, -850959, -2133734,
|
||||||
|
-587678, -2093316, -495115, -1973364, -475177, -1801282, -173507,
|
||||||
|
-1848516, -158015, -1792018, -62648, -1643313, 214746, -1500758, 267077,
|
||||||
|
-1450193, 560521, -1521579, 675283, -1345408, 857559, -1300822, 1116332,
|
||||||
|
-1294533, 1241117, -1070027, 1263503, -983816, 1529821, -1019586,
|
||||||
|
1910421, -955420, 2073688, -836459, 2401105, -653905, 2690474, -731425,
|
||||||
|
2930131, -935234, 3299500, -875978, 3523432, -878906, 3924822, -1081630,
|
||||||
|
4561267, -1203023, 5105274, -1510983, 6052762, -2294646, 7021597,
|
||||||
|
-3108053, 8826736, -4935222, 11678789, -8442713, 18725700, -21526692,
|
||||||
|
25420577, 19589811, -28108666, 12634054, -14483066, 6263217, -9979706,
|
||||||
|
3665661, -7909736, 2531530, -6434896, 1700772, -5525393, 1479473,
|
||||||
|
-4894262, 1231760, -4353044, 1032940, -3786590, 941152, -3331614,
|
||||||
|
665090, -2851619, 830696, -2762201, 958007, -2483118, 788233, -2184965,
|
||||||
|
804825, -1967306, 1007255, -1862474, 920889, -1457506, 755406, -1405841,
|
||||||
|
890230, -1302124, 1161599, -701867, 1154163, -1083366, 1204743, -513581,
|
||||||
|
1547264, -650636, 1493384, -285543, 1771863, -277906, 1841343, -9078,
|
||||||
|
1751863, 230222, 1819578, 207170, 1978972, 398137, 2106468, 552155,
|
||||||
|
1997624, 685213, 2129520, 601078, 2238736, 944591, 2441879, 1194178,
|
||||||
|
2355280, 986124, 2393328, 1049005, 2417944, 1208368, 2489516, 1352023,
|
||||||
|
2572118, 1445283, 2856081, 1532997, 2742279, 1615877, 2915274, 1808036,
|
||||||
|
2856871, 1806936, 3241747, 1622461, 2978558, 1841297, 3010378, 1923666,
|
||||||
|
3271367, 2126700, 3070935, 1956958, 3107588, 2128405, 3288872, 2114911,
|
||||||
|
3315952, 2406651, 3344038, 2370199, 3368980, 2144361, 3305030, 2183803,
|
||||||
|
3401450, 2523102, 3405463, 2452475, 3463355, 2421678, 3551968, 2431949,
|
||||||
|
3477251, 2148125, 3244489, 2174090};
|
||||||
|
int32_t out_expected_2[kSamples]= {1691694, -2499988, -2035547,
|
||||||
|
1060469, 988634, -2044502, -306271, 2041000, 201454, -2289456, 93694,
|
||||||
|
2129427, -369152, -1887834, 860796, 2089102, -929424, -1673956, 1395291,
|
||||||
|
1785651, -1619673, -1380109, 1963449, 1093311, -2111007, -840456,
|
||||||
|
2372786, 578119, -2242702, 89774, 2463304, -132717, -2121480, 643634,
|
||||||
|
2277636, -1125999, -1995858, 1543748, 2227861, -1483779, -1495491,
|
||||||
|
2102642, 1833876, -1920568, -958378, 2485101, 772261, -2454257, -24942,
|
||||||
|
2918714, 136838, -2500453, 816118, 3039735, -746560, -2365815, 1586396,
|
||||||
|
2714951, -1511696, -1942334, 2571792, 2182827, -2325335, -1311543,
|
||||||
|
3055970, 1367220, -2737182, -110626, 3889222, 631008, -3280879, 853066,
|
||||||
|
4122279, -706638, -3334449, 2148311, 3993512, -1846301, -3004894,
|
||||||
|
3426779, 3329522, -3165264, -2242423, 4756866, 2557711, -4131280,
|
||||||
|
-805259, 5702711, 1120592, -4852821, 743664, 6476444, -621186, -5465828,
|
||||||
|
2815787, 6768835, -3017442, -5338409, 5658126, 6838454, -5492288,
|
||||||
|
-4682382, 8874947, 6153814, -8832561, -2649251, 12817398, 4237692,
|
||||||
|
-13000247, 1190661, 18986363, -115738, -19693978, 9908367, 30660381,
|
||||||
|
-10632635, -37962068, 47022884, 89744622, -42087632, 40279224,
|
||||||
|
-88869341, -47542383, 38572364, 10441576, -30339718, -9926740, 19896578,
|
||||||
|
28009, -18886612, -1124047, 13232498, -4150304, -12770551, 2637074,
|
||||||
|
9051831, -6162211, -8713972, 4557937, 5489716, -6862312, -5532349,
|
||||||
|
5415449, 2791310, -6999367, -2790102, 5375806, 546222, -6486452,
|
||||||
|
-821261, 4994973, -1278840, -5645501, 1060484, 3996285, -2503954,
|
||||||
|
-4653629, 2220549, 3036977, -3282133, -3318585, 2780636, 1789880,
|
||||||
|
-4004589, -2041031, 3105373, 574819, -3992722, -971004, 3001703,
|
||||||
|
-676739, -3841508, 417284, 2897970, -1427018, -3058480, 1189948,
|
||||||
|
2210960, -2268992, -2603272, 1949785, 1576172, -2720404, -1891738,
|
||||||
|
2309456, 769178, -2975646, -707150, 2424652, -88039, -2966660, -65452,
|
||||||
|
2320780, -957557, -2798978, 744640, 1879794, -1672081, -2365319,
|
||||||
|
1253309, 1366383, -2204082, -1544367, 1801452, 613828, -2531994,
|
||||||
|
-983847, 2064842, 118326, -2613790, -203220, 2219635, -730341, -2641861,
|
||||||
|
563557, 1765434, -1329916, -2272927, 1037138, 1266725, -1939220,
|
||||||
|
-1588643, 1754528, 816552, -2376303, -1099167, 1864999, 122477,
|
||||||
|
-2422762, -400027, 1889228, -579916, -2490353, 287139, 2011318,
|
||||||
|
-1176657, -2502978, 812896, 1116502, -1940211};
|
||||||
|
|
||||||
|
for(int i = 0; i < kSamples; i++) {
|
||||||
|
data_in_1[i] = i * i + 1777;
|
||||||
|
data_in_2[i] = WEBRTC_SPL_WORD16_MAX / (i + 1) + 17;
|
||||||
|
}
|
||||||
|
|
||||||
|
Spec2TimeFunction(data_in_1, data_in_2, data_out_1, data_out_2);
|
||||||
|
|
||||||
|
for (int i = 0; i < kSamples; i++) {
|
||||||
|
// We don't require bit-exact for ARM assembly code.
|
||||||
|
EXPECT_LE(abs(out_expected_1[i] - data_out_1[i]), 16);
|
||||||
|
EXPECT_LE(abs(out_expected_2[i] - data_out_2[i]), 16);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
TEST_F(TransformTest, Spec2TimeTest) {
|
||||||
|
Spec2TimeTester(WebRtcIsacfix_Spec2TimeC);
|
||||||
|
#ifdef WEBRTC_DETECT_ARM_NEON
|
||||||
|
if ((WebRtc_GetCPUFeaturesARM() & kCPUFeatureNEON) != 0) {
|
||||||
|
Spec2TimeTester(WebRtcIsacfix_Spec2TimeNeon);
|
||||||
|
}
|
||||||
|
#elif defined(WEBRTC_ARCH_ARM_NEON)
|
||||||
|
Spec2TimeTester(WebRtcIsacfix_Spec2TimeNeon);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
@@ -166,6 +166,7 @@
|
|||||||
'../../codecs/isac/fix/source/filters_unittest.cc',
|
'../../codecs/isac/fix/source/filters_unittest.cc',
|
||||||
'../../codecs/isac/fix/source/filterbanks_unittest.cc',
|
'../../codecs/isac/fix/source/filterbanks_unittest.cc',
|
||||||
'../../codecs/isac/fix/source/lpc_masking_model_unittest.cc',
|
'../../codecs/isac/fix/source/lpc_masking_model_unittest.cc',
|
||||||
|
'../../codecs/isac/fix/source/transform_unittest.cc',
|
||||||
],
|
],
|
||||||
}, # audio_coding_unittests
|
}, # audio_coding_unittests
|
||||||
],
|
],
|
||||||
|
|||||||
Reference in New Issue
Block a user