From b52453ff0b33de99ba4f3da5ae2d4ad2666399ea Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Tue, 30 Mar 2021 07:52:42 +0800
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Subject: [PATCH 13/17] HACK: gstreamer: Support fill mode
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Depends on gstreamer-sink property.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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src/gsttools/qgstreamervideooverlay.cpp | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/src/gsttools/qgstreamervideooverlay.cpp b/src/gsttools/qgstreamervideooverlay.cpp
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index 93a32119..592b56ab 100644
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--- a/src/gsttools/qgstreamervideooverlay.cpp
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+++ b/src/gsttools/qgstreamervideooverlay.cpp
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@@ -111,6 +111,7 @@ public:
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m_hasHue = g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "hue");
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m_hasSaturation = g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "saturation");
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m_hasShowPrerollFrame = g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "show-preroll-frame");
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+ m_hasFillMode = g_object_class_find_property(G_OBJECT_GET_CLASS(m_videoSink), "fill-mode");
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}
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bool hasShowPrerollFrame() const override
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@@ -221,12 +222,23 @@ public:
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(mode == Qt::KeepAspectRatio),
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nullptr);
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}
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+ if (m_hasFillMode) {
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+ // HACK: Match the gst-sink properties
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+ int modes[] = {
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+ [Qt::IgnoreAspectRatio] = 0,
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+ [Qt::KeepAspectRatio] = 1,
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+ [Qt::KeepAspectRatioByExpanding] = 2,
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+ };
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+ g_object_set(G_OBJECT(m_videoSink),
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+ "fill-mode", modes[mode], nullptr);
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+ }
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}
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protected:
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GstElement *m_videoSink = nullptr;
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bool m_hasForceAspectRatio = false;
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+ bool m_hasFillMode = false;
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bool m_hasBrightness = false;
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bool m_hasContrast = false;
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bool m_hasHue = false;
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--
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2.20.1
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