From 19f6faf671438dc9c5165733a1b060fe2dfe1956 Mon Sep 17 00:00:00 2001 From: Stef Boerrigter Date: Mon, 16 Mar 2020 09:09:46 +0100 Subject: GSTVideoRender: Update viewport on gst video buffer crop metadata If the video buffer contains crop metadata update a viewport for the video frame format. Fixes: QTBUG-82448 Change-Id: Iace150c6c03b48662cc9f0112b45fbe6401d6061 Reviewed-by: VaL Doroshchuk --- src/gsttools/qgstvideorenderersink.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src') diff --git a/src/gsttools/qgstvideorenderersink.cpp b/src/gsttools/qgstvideorenderersink.cpp index 3b458a978..13edcb820 100644 --- a/src/gsttools/qgstvideorenderersink.cpp +++ b/src/gsttools/qgstvideorenderersink.cpp @@ -141,6 +141,19 @@ bool QGstDefaultVideoRenderer::present(QAbstractVideoSurface *surface, GstBuffer if (!videoBuffer) videoBuffer = new QGstVideoBuffer(buffer, m_videoInfo); + auto meta = gst_buffer_get_video_crop_meta (buffer); + if (meta) { + QRect vp(meta->x, meta->y, meta->width, meta->height); + if (m_format.viewport() != vp) { +#ifdef DEBUG_VIDEO_SURFACE_SINK + qDebug() << Q_FUNC_INFO << " Update viewport on Metadata: [" << meta->height << "x" << meta->width << " | " << meta->x << "x" << meta->y << "]"; +#endif + //Update viewport if data is not the same + m_format.setViewport(vp); + surface->start(m_format); + } + } + QVideoFrame frame( videoBuffer, m_format.frameSize(), -- cgit v1.2.3