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