This is required to avoid the frame drops and increase the tolrence for CSI capture using gsteamer
Signed-off-by: Rahul T R <[email protected]> --- ...ct-Increase-min-buffers-for-CSI-capt.patch | 34 +++++++++++++++++++ .../gstreamer1.0-plugins-good_1.20.%.bbappend | 3 +- 2 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0005-HACK-gstv4l2object-Increase-min-buffers-for-CSI-capt.patch diff --git a/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0005-HACK-gstv4l2object-Increase-min-buffers-for-CSI-capt.patch b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0005-HACK-gstv4l2object-Increase-min-buffers-for-CSI-capt.patch new file mode 100644 index 00000000..a981b037 --- /dev/null +++ b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good/0005-HACK-gstv4l2object-Increase-min-buffers-for-CSI-capt.patch @@ -0,0 +1,34 @@ +From 48c3063b6704921fc46b718ea06281c79ec892ef Mon Sep 17 00:00:00 2001 +From: Rahul T R <[email protected]> +Date: Tue, 10 Oct 2023 14:42:13 +0530 +Subject: [PATCH] HACK: gstv4l2object: Increase min buffers for CSI capture + +With default min buffers, frame drops are observed with CSI capture +pipeline with VISS, LDC and DSS with DMABuf Import mode + +Increasing min buffers queued in v4l2src seems to fix this issue. +Need more amalysis on the exact root cause + +Upstream-Status: Pending + +Signed-off-by: Rahul T R <[email protected]> +--- + sys/v4l2/gstv4l2object.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c +index 4ce9fac..9f5a85b 100644 +--- a/sys/v4l2/gstv4l2object.c ++++ b/sys/v4l2/gstv4l2object.c +@@ -5172,6 +5172,8 @@ gst_v4l2_object_decide_allocation (GstV4l2Object * obj, GstQuery * query) + * pool, we'll need what the driver one, and one more, so we can dequeu */ + if (0 == strcmp(obj->vcap.driver, "wave5-dec")) { + own_min = obj->min_buffers + 3; ++ } else if (0 == strcmp(obj->vcap.driver, "j721e-csi2rx")) { ++ own_min = obj->min_buffers + 4; + } else { + own_min = obj->min_buffers + 1; + } +-- +2.34.1 + diff --git a/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.20.%.bbappend b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.20.%.bbappend index 2a1a6e68..782b54a4 100644 --- a/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.20.%.bbappend +++ b/meta-arago-extras/recipes-multimedia/gstreamer/gstreamer1.0-plugins-good_1.20.%.bbappend @@ -5,6 +5,7 @@ SRC_URI:append = " \ file://0002-Adding-support-for-bayer-formats-with-IR-component.patch \ file://0003-v4l2-Changes-for-DMA-Buf-import-j721s2.patch \ file://0004-v4l2-Give-preference-to-contiguous-format-if-support.patch \ + file://0005-HACK-gstv4l2object-Increase-min-buffers-for-CSI-capt.patch \ " -PR:append = ".arago1" +PR:append = ".arago2" -- 2.34.1 -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#15095): https://lists.yoctoproject.org/g/meta-arago/message/15095 Mute This Topic: https://lists.yoctoproject.org/mt/103950155/21656 Group Owner: [email protected] Unsubscribe: https://lists.yoctoproject.org/g/meta-arago/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
