Change in osmo-trx[master]: radioInterfaceMulti:pullBuffer: Sanely convert float array to complex...

[Pau Espin Pedrol]

Pau Espin Pedrol has uploaded this change for review. ( https://gerrit.osmocom.org/10720


Change subject: radioInterfaceMulti:pullBuffer: Sanely convert float array to complex array
......................................................................

radioInterfaceMulti:pullBuffer: Sanely convert float array to complex array

Fixes this type of compilation warning:
‘void* memcpy(void*, const void*, size_t)’ writing to an object of non-trivially copyable type ‘class Complex<float>’; use copy-assignment or copy-initialization instead [-Werror=class-memaccess]

Change-Id: Ibb2380a0a335ce798fe87221519fbbebade53054
---
M Transceiver52M/radioInterfaceMulti.cpp
1 file changed, 16 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-trx refs/changes/20/10720/1

diff --git a/Transceiver52M/radioInterfaceMulti.cpp b/Transceiver52M/radioInterfaceMulti.cpp
index b3add21..0823419 100644
--- a/Transceiver52M/radioInterfaceMulti.cpp
+++ b/Transceiver52M/radioInterfaceMulti.cpp
@@ -230,6 +230,7 @@
 	bool local_underrun;
 	size_t num;
 	float *buf;
+	unsigned int i;
 
 	if (recvBuffer[0]->getFreeSegments() <= 0)
 		return;
@@ -273,10 +274,22 @@
 		buf = channelizer->outputBuffer(pchan);
 		size_t cLen = channelizer->outputLen();
 		size_t hLen = dnsampler->len();
-		size_t hSize = 2 * hLen * sizeof(float);
 
-		memcpy(&buf[2 * -hLen], history[lchan]->begin(), hSize);
-		memcpy(history[lchan]->begin(), &buf[2 * (cLen - hLen)], hSize);
+		float *fdst = &buf[2 * -hLen];
+		complex *src = history[lchan]->begin();
+		for (i = 0; i < hLen; i++) {
+			fdst[0] = src->real();
+			fdst[1] = src->imag();
+			src++;
+			fdst += 2;
+		}
+		complex *dst = history[lchan]->begin();
+		float *fsrc = &buf[2 * (cLen - hLen)];
+		for (i = 0; i < hLen; i++) {
+			*dst = complex(fdst[0], fdst[1]);
+			fsrc += 2;
+			dst++;
+		}
 
 		float *wr_segment = recvBuffer[lchan]->getWriteSegment();
 

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Gerrit-Project: osmo-trx
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ibb2380a0a335ce798fe87221519fbbebade53054
Gerrit-Change-Number: 10720
Gerrit-PatchSet: 1
Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de>
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