Fix for a bug in the sndio backend with the capture support.
Index: Makefile
===================================================================
RCS file: /home/cvs/ports/audio/openal/Makefile,v
retrieving revision 1.57
diff -u -p -u -p -r1.57 Makefile
--- Makefile 20 Aug 2021 21:54:22 -0000 1.57
+++ Makefile 4 Oct 2021 02:23:13 -0000
@@ -6,7 +6,7 @@ V = 1.21.1
EPOCH = 0
DISTNAME = openal-soft-$V
PKGNAME = openal-$V
-REVISION = 1
+REVISION = 2
CATEGORIES = audio
SHARED_LIBS = openal 4.1
Index: patches/patch-alc_backends_sndio_cpp
===================================================================
RCS file: /home/cvs/ports/audio/openal/patches/patch-alc_backends_sndio_cpp,v
retrieving revision 1.3
diff -u -p -u -p -r1.3 patch-alc_backends_sndio_cpp
--- patches/patch-alc_backends_sndio_cpp 20 Aug 2021 21:54:22 -0000
1.3
+++ patches/patch-alc_backends_sndio_cpp 4 Oct 2021 02:25:36 -0000
@@ -6,6 +6,8 @@ Simplify channel handling in the sndio b
Use non-block mode for sndio capture
1fd4c865fc084f134363db5155361d5483679235
+Fix crashes in SndioCapture::recordProc
+a4b0a3d7b3ec271243cfda4780e567e49f2b37b7
Index: alc/backends/sndio.cpp
--- alc/backends/sndio.cpp.orig
@@ -269,7 +271,19 @@ Index: alc/backends/sndio.cpp
RingBufferPtr mRing;
std::atomic<bool> mKillNow{true};
-@@ -326,37 +309,53 @@ int SndioCapture::recordProc()
+@@ -323,40 +306,65 @@ int SndioCapture::recordProc()
+
+ const uint frameSize{mDevice->frameSizeFromFmt()};
+
++ int nfds_pre{sio_nfds(mSndHandle)};
++ if (nfds_pre <= 0)
++ {
++ mDevice->handleDisconnect("Incorrect return value from sio_nfds():
%d", nfds_pre);
++ return 1;
++ }
++
++ mFds.resize(nfds_pre);
++
while(!mKillNow.load(std::memory_order_acquire)
&& mDevice->Connected.load(std::memory_order_acquire))
{
@@ -345,7 +359,7 @@ Index: alc/backends/sndio.cpp
}
return 0;
-@@ -371,76 +370,80 @@ void SndioCapture::open(const char *name)
+@@ -371,76 +379,80 @@ void SndioCapture::open(const char *name)
throw al::backend_exception{al::backend_error::NoDevice, "Device name
\"%s\" not found",
name};
