40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 7a7ca574d5805dfa89efd35f1c38d6582a77dd7a Mon Sep 17 00:00:00 2001
|
|
From: Jeffy Chen <jeffy.chen@rock-chips.com>
|
|
Date: Fri, 12 May 2023 09:38:03 +0800
|
|
Subject: [PATCH 42/42] kmssink: Avoid src size overflow
|
|
|
|
The scaled video source size might overflow in
|
|
gst_kms_sink_calculate_display_ratio()
|
|
|
|
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
|
|
---
|
|
sys/kms/gstkmssink.c | 12 ++++++++++++
|
|
1 file changed, 12 insertions(+)
|
|
|
|
diff --git a/sys/kms/gstkmssink.c b/sys/kms/gstkmssink.c
|
|
index 48d3f5b..bf26793 100644
|
|
--- a/sys/kms/gstkmssink.c
|
|
+++ b/sys/kms/gstkmssink.c
|
|
@@ -1706,6 +1706,18 @@ gst_kms_sink_calculate_display_ratio (GstKMSSink * self, GstVideoInfo * vinfo,
|
|
*scaled_height = video_height;
|
|
}
|
|
|
|
+ if (*scaled_width > video_width) {
|
|
+ GST_DEBUG_OBJECT (self, "keeping video width");
|
|
+ *scaled_width = video_width;
|
|
+ *scaled_height = (guint)
|
|
+ gst_util_uint64_scale_int (video_width, dar_d, dar_n);
|
|
+ } else if (*scaled_height > video_height) {
|
|
+ GST_DEBUG_OBJECT (self, "keeping video height");
|
|
+ *scaled_width = (guint)
|
|
+ gst_util_uint64_scale_int (video_height, dar_n, dar_d);
|
|
+ *scaled_height = video_height;
|
|
+ }
|
|
+
|
|
out:
|
|
GST_DEBUG_OBJECT (self, "scaling to %dx%d", *scaled_width, *scaled_height);
|
|
|
|
--
|
|
2.20.1
|
|
|