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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0a831613a8
need to pass a GstSample to the utilitary preview buffer post functions as a GstBuffer doesn't have caps anymore. The GstSample has the GstCaps and it is used to inform the preview's pipeline about the format of the input, before it gets converted to the user's requested output format.
56 lines
2 KiB
C
56 lines
2 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
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* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __CAMERABIN_PREVIEW_H_
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#define __CAMERABIN_PREVIEW_H_
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#ifndef GST_USE_UNSTABLE_API
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#warning "camera bin preview is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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#include <gst/gst.h>
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typedef struct
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{
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GstElement *pipeline;
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GstElement *appsrc;
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GstElement *filter;
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GstElement *appsink;
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GstElement *vscale;
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GstElement *element;
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GstCaps *pending_preview_caps;
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guint processing;
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GMutex processing_lock;
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GCond processing_cond;
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} GstCameraBinPreviewPipelineData;
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GstCameraBinPreviewPipelineData *gst_camerabin_create_preview_pipeline (GstElement * element, GstElement * filter);
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void gst_camerabin_destroy_preview_pipeline (GstCameraBinPreviewPipelineData * preview);
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gboolean gst_camerabin_preview_pipeline_post (GstCameraBinPreviewPipelineData * preview, GstSample * sample);
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void gst_camerabin_preview_set_caps (GstCameraBinPreviewPipelineData * preview, GstCaps * caps);
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gboolean gst_camerabin_preview_set_filter (GstCameraBinPreviewPipelineData * preview, GstElement * filter);
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#endif /* #ifndef __CAMERABIN_PREVIEW_H_ */
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