ipcpipeline: move to sys/ and make it dependent on platform support for unix sockets

configure.ac

@@ -469,7 +469,6 @@ AG_GST_CHECK_PLUGIN(gdp)
 AG_GST_CHECK_PLUGIN(id3tag)
 AG_GST_CHECK_PLUGIN(inter)
 AG_GST_CHECK_PLUGIN(interlace)
-AG_GST_CHECK_PLUGIN(ipcpipeline)
 AG_GST_CHECK_PLUGIN(ivfparse)
 AG_GST_CHECK_PLUGIN(ivtc)
 AG_GST_CHECK_PLUGIN(jp2kdecimator)
@@ -1876,6 +1875,20 @@ AG_GST_CHECK_FEATURE(SHM, [POSIX shared memory source and sink], shm, [
     fi
 ])
 
+dnl check for unix sockets (ipcpipeline plugin)
+translit(dnm, m, l) AM_CONDITIONAL(USE_IPCPIPELINE, true)
+AG_GST_CHECK_FEATURE(IPCPIPELINE, [Unix sockets], ipcpipeline, [
+    if test "x$HAVE_SYS_SOCKET_H" = "xyes"; then
+        AC_CHECK_FUNC(pipe, [
+          AC_CHECK_FUNC(socketpair, [HAVE_IPCPIPELINE=yes], [HAVE_IPCPIPELINE=no])
+          ], [
+          HAVE_IPCPIPELINE=no
+        ])
+    else
+        HAVE_IPCPIPELINE=no
+    fi
+])
+
 dnl check for Video CD
 translit(dnm, m, l) AM_CONDITIONAL(USE_VCD, true)
 AG_GST_CHECK_FEATURE(VCD, [Video CD], vcdsrc, [
@@ -3588,7 +3601,6 @@ gst/gdp/Makefile
 gst/id3tag/Makefile
 gst/inter/Makefile
 gst/interlace/Makefile
-gst/ipcpipeline/Makefile
 gst/ivfparse/Makefile
 gst/ivtc/Makefile
 gst/jp2kdecimator/Makefile
@@ -3663,6 +3675,7 @@ sys/dshowsrcwrapper/Makefile
 sys/dshowvideosink/Makefile
 sys/dvb/Makefile
 sys/fbdev/Makefile
+sys/ipcpipeline/Makefile
 sys/kms/Makefile
 sys/msdk/Makefile
 sys/nvdec/Makefile

gst/ipcpipeline/meson.build

@@ -1,16 +0,0 @@
-ipcpipeline_sources = [
-  'gstipcpipeline.c',
-  'gstipcpipelinecomm.c',
-  'gstipcpipelinesink.c',
-  'gstipcpipelinesrc.c',
-  'gstipcslavepipeline.c'
-]
-
-gstipcpipeline = library('gstipcpipeline',
-  ipcpipeline_sources,
-  c_args : gst_plugins_bad_args,
-  include_directories : [configinc],
-  dependencies : [gstbase_dep],
-  install : true,
-  install_dir : plugins_install_dir,
-)

gst/meson.build

@@ -27,7 +27,6 @@ subdir('geometrictransform')
 subdir('id3tag')
 subdir('inter')
 subdir('interlace')
-subdir('ipcpipeline')
 subdir('ivfparse')
 subdir('ivtc')
 subdir('jp2kdecimator')

sys/Makefile.am

@@ -58,6 +58,12 @@ else
 FBDEV_DIR=
 endif
 
+if USE_IPCPIPELINE
+IPCPIPELINE_DIR=ipcpipeline
+else
+IPCPIPELINE_DIR=
+endif
+
 if USE_KMS
 KMS_DIR=kms
 else
@@ -130,9 +136,9 @@ else
 MSDK_DIR=
 endif
 
-SUBDIRS = $(ACM_DIR) $(ANDROID_MEDIA_DIR) $(APPLE_MEDIA_DIR) $(BLUEZ_DIR) $(D3DVIDEOSINK_DIR) $(DECKLINK_DIR) $(DIRECTSOUND_DIR) $(WINKS_DIR) $(DVB_DIR) $(FBDEV_DIR) $(KMS_DIR) $(OPENSLES_DIR) $(SHM_DIR) $(UVCH264_DIR) $(VCD_DIR) $(VDPAU_DIR) $(WININET_DIR) $(WINSCREENCAP_DIR) $(WASAPI_DIR) $(NVDEC_DIR) $(NVENC_DIR) $(TINYALSA_DIR) $(MSDK_DIR)
+SUBDIRS = $(ACM_DIR) $(ANDROID_MEDIA_DIR) $(APPLE_MEDIA_DIR) $(BLUEZ_DIR) $(D3DVIDEOSINK_DIR) $(DECKLINK_DIR) $(DIRECTSOUND_DIR) $(WINKS_DIR) $(DVB_DIR) $(FBDEV_DIR) $(IPCPIPELINE_DIR) $(KMS_DIR) $(OPENSLES_DIR) $(SHM_DIR) $(UVCH264_DIR) $(VCD_DIR) $(VDPAU_DIR) $(WININET_DIR) $(WINSCREENCAP_DIR) $(WASAPI_DIR) $(NVDEC_DIR) $(NVENC_DIR) $(TINYALSA_DIR) $(MSDK_DIR)
 
-DIST_SUBDIRS = acmenc acmmp3dec androidmedia applemedia bluez d3dvideosink decklink directsound dvb fbdev kms dshowdecwrapper dshowsrcwrapper dshowvideosink \
+DIST_SUBDIRS = acmenc acmmp3dec androidmedia applemedia bluez d3dvideosink decklink directsound dvb fbdev ipcpipeline kms dshowdecwrapper dshowsrcwrapper dshowvideosink \
 		opensles shm uvch264 vcd vdpau wasapi winks winscreencap \
 		nvdec nvenc tinyalsa msdk
 

sys/ipcpipeline/meson.build

@@ -0,0 +1,20 @@
+ipcpipeline_sources = [
+  'gstipcpipeline.c',
+  'gstipcpipelinecomm.c',
+  'gstipcpipelinesink.c',
+  'gstipcpipelinesrc.c',
+  'gstipcslavepipeline.c'
+]
+
+if cc.has_header ('sys/socket.h') and cc.has_function ('pipe') and cc.has_function ('socketpair')
+
+  gstipcpipeline = library('gstipcpipeline',
+    ipcpipeline_sources,
+    c_args : gst_plugins_bad_args,
+    include_directories : [configinc],
+    dependencies : [gstbase_dep],
+    install : true,
+    install_dir : plugins_install_dir,
+  )
+
+endif

sys/meson.build

@@ -12,6 +12,7 @@ subdir('directsound')
 #subdir('dshowvideosink')
 subdir('dvb')
 subdir('fbdev')
+subdir('ipcpipeline')
 subdir('kms')
 subdir('msdk')
 #subdir('nvenc')

tests/check/Makefile.am

@@ -198,6 +198,12 @@ else
 check_shm=
 endif
 
+if USE_IPCPIPELINE
+check_ipcpipeline=pipelines/ipcpipeline
+else
+check_ipcpipeline=
+endif
+
 if USE_GL
 check_gl=libs/gstglcontext \
     libs/gstglmemory \
@@ -272,7 +278,7 @@ check_PROGRAMS = \
 	elements/rtponviftimestamp \
 	elements/id3mux \
 	pipelines/mxf \
-	pipelines/ipcpipeline \
+	$(check_ipcpipeline) \
 	libs/mpegvideoparser \
 	libs/mpegts \
 	libs/h264parser \