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From d13fa761751f252c89032248fbf3b363d4f1827c Mon Sep 17 00:00:00 2001
From: Kazunori Kobayashi <kkobayas@igel.co.jp>
Date: Thu, 29 Nov 2012 14:06:33 +0900
Subject: [PATCH 23/31] videocrop: skip the transforming caps process when the
passthrough mode is set
When the passthrough mode is set, the basetransform class tries to accommodate
a difference between input and output caps. This behavior causes
the reallocation of the output buffers, and discarding the physical buffers
used for zero-copy processing.
To avoid this problem, the transforming caps process shouldn't be performed.
---
gst/videocrop/gstvideocrop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gst/videocrop/gstvideocrop.c b/gst/videocrop/gstvideocrop.c
index 4887137..caeb0b1 100644
--- a/gst/videocrop/gstvideocrop.c
+++ b/gst/videocrop/gstvideocrop.c
@@ -614,6 +614,9 @@ gst_video_crop_transform_caps (GstBaseTransform * trans,
vcrop = GST_VIDEO_CROP (trans);
+ if (gst_base_transform_is_passthrough (trans))
+ return gst_caps_ref (caps);
+
GST_OBJECT_LOCK (vcrop);
GST_LOG_OBJECT (vcrop, "l=%d,r=%d,b=%d,t=%d",
--
1.7.9.5
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