From: Karthik Ramanan <[email protected]> Signed-off-by: Karthik Ramanan <[email protected]> Signed-off-by: Denys Dmytriyenko <[email protected]> --- ...0002-gstv4l2src-Optimize-delay-in-capture.patch | 31 ++++++++++++++++++++++ .../gstreamer1.0-plugins-good_1.2.3.bbappend | 5 ++-- 2 files changed, 34 insertions(+), 2 deletions(-) create mode 100644 meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0002-gstv4l2src-Optimize-delay-in-capture.patch
diff --git a/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0002-gstv4l2src-Optimize-delay-in-capture.patch b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0002-gstv4l2src-Optimize-delay-in-capture.patch new file mode 100644 index 0000000..07c2f24 --- /dev/null +++ b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0002-gstv4l2src-Optimize-delay-in-capture.patch @@ -0,0 +1,31 @@ +From e989ef6143b222df6eb79bab626fc972d6513ead Mon Sep 17 00:00:00 2001 +From: Pooja Prajod <[email protected]> +Date: Wed, 4 Mar 2015 16:40:26 +0530 +Subject: [PATCH 2/2] gstv4l2src: Optimize delay in capture + +This patch reduces the delay in capture by reducing +the S_FMT ioctls for determining whether its interlaced capture. +It assumes capture is not interlaced if driver is vip + +Signed-off-by: Pooja Prajod <[email protected]> +--- + sys/v4l2/gstv4l2object.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c +index c3ed422..77d75c2 100644 +--- a/sys/v4l2/gstv4l2object.c ++++ b/sys/v4l2/gstv4l2object.c +@@ -1706,6 +1706,9 @@ gst_v4l2_object_probe_caps_for_format_and_size (GstV4l2Object * v4l2object, + * causes expensive and slow USB IO, so don't probe them for interlaced + */ + interlaced = FALSE; ++ } else if (!strcmp ((char *) v4l2object->vcap.driver, "vip")) { ++ /* Interlaced detection using VIDIOC_TRY/S_FMT */ ++ interlaced = FALSE; + } else { + /* Interlaced detection using VIDIOC_TRY/S_FMT */ + if (!gst_v4l2_object_get_nearest_size (v4l2object, pixelformat, +-- +1.7.9.5 + diff --git a/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.2.3.bbappend b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.2.3.bbappend index 0548aa9..6b8df1d 100644 --- a/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.2.3.bbappend +++ b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.2.3.bbappend @@ -1,6 +1,7 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" SRC_URI_append = " \ - file://0001-Adds-GST_V4L2_IO_DMABUF-mode-support-in-capture.patch" + file://0001-Adds-GST_V4L2_IO_DMABUF-mode-support-in-capture.patch \ + file://0002-gstv4l2src-Optimize-delay-in-capture.patch" -PR_append = "-arago0" +PR_append = "-arago1" -- 2.2.0 _______________________________________________ meta-arago mailing list [email protected] http://arago-project.org/cgi-bin/mailman/listinfo/meta-arago
