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common_audio: Removed macro WEBRTC_SPL_RSHIFT_W16

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Replaced the trivial right shift macro at remaining 4 places and removed from signal_processing.

Affected components:
* vad
* aecm

BUG=3348,3353
TESTED=locally on linux and trybots
R=kwiberg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/25849004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7434 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
bjornv@webrtc.org 2014-10-13 14:00:43 +00:00
parent a3722b643d
commit bc1a4578e0
4 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
webrtc/common_audio/signal_processing/include/signal_processing_library.h
View File

@ -89,7 +89,6 @@
// Shifting with negative numbers not allowed
// We cannot do casting here due to signed/unsigned problem
#define WEBRTC_SPL_RSHIFT_W16(x, c) ((x) >> (c))
#define WEBRTC_SPL_RSHIFT_W32(x, c) ((x) >> (c))
#define WEBRTC_SPL_LSHIFT_W32(x, c) ((x) << (c))

1
webrtc/common_audio/signal_processing/signal_processing_unittest.cc
View File

@ -66,7 +66,6 @@ TEST_F(SplTest, MacroTest) {
// Shifting with negative numbers not allowed
// We cannot do casting here due to signed/unsigned problem
EXPECT_EQ(8191, WEBRTC_SPL_RSHIFT_W16(a, 1));
EXPECT_EQ(8191, WEBRTC_SPL_RSHIFT_W32(a, 1));
EXPECT_EQ(32766, WEBRTC_SPL_LSHIFT_W32(a, 1));

6
webrtc/common_audio/vad/vad_core.c
View File

@ -639,10 +639,10 @@ int WebRtcVad_CalcVad32khz(VadInstT* inst, const int16_t* speech_frame,
// Downsample signal 32->16->8 before doing VAD
WebRtcVad_Downsampling(speech_frame, speechWB, &(inst->downsampling_filter_states[2]),
frame_length);
len = WEBRTC_SPL_RSHIFT_W16(frame_length, 1);
len = frame_length / 2;
WebRtcVad_Downsampling(speechWB, speechNB, inst->downsampling_filter_states, len);
len = WEBRTC_SPL_RSHIFT_W16(len, 1);
len /= 2;
// Do VAD on an 8 kHz signal
vad = WebRtcVad_CalcVad8khz(inst, speechNB, len);
@ -660,7 +660,7 @@ int WebRtcVad_CalcVad16khz(VadInstT* inst, const int16_t* speech_frame,
WebRtcVad_Downsampling(speech_frame, speechNB, inst->downsampling_filter_states,
frame_length);
len = WEBRTC_SPL_RSHIFT_W16(frame_length, 1);
len = frame_length / 2;
vad = WebRtcVad_CalcVad8khz(inst, speechNB, len);
return vad;

6
webrtc/modules/audio_processing/aecm/aecm_core.c
View File

@ -818,10 +818,8 @@ void WebRtcAecm_CalcEnergies(AecmCore_t * aecm,
{
if (aecm->farEnergyVAD > aecm->farLogEnergy)
{
aecm->farEnergyVAD += WEBRTC_SPL_RSHIFT_W16(aecm->farLogEnergy +
tmp16 -
aecm->farEnergyVAD,
6);
aecm->farEnergyVAD +=
(aecm->farLogEnergy + tmp16 - aecm->farEnergyVAD) >> 6;
aecm->vadUpdateCount = 0;
} else
{