a9cfe6062d
Drop the mutexes and special struct, just create ring buffer of GstClockTimes. Also rely on callbacks for start/stop of acquisition. The absolute date-timestamps need to be corrected for the first buffer timestamp.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) <2006> Eric Jonas <jonas@mit.edu>
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* Copyright (C) <2006> Antoine Tremblay <hexa00@gmail.com>
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* Copyright (C) 2010 United States Government, Joshua M. Doe <oss@nvl.army.mil>
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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 __GST_NIIMAQSRC_H__
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#define __GST_NIIMAQSRC_H__
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#include <gst/gst.h>
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#include <gst/base/gstpushsrc.h>
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#include <gst/video/video.h>
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#include <niimaq.h>
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G_BEGIN_DECLS
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#define GST_TYPE_NIIMAQSRC \
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(gst_niimaqsrc_get_type())
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#define GST_NIIMAQSRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NIIMAQSRC,GstNiImaqSrc))
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#define GST_NIIMAQSRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NIIMAQSRC,GstNiImaqSrcClass))
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#define GST_IS_NIIMAQSRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NIIMAQSRC))
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#define GST_IS_NIIMAQSRC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NIIMAQSRC))
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#define GST_NIIMAQSRC_GET_CLASS(klass) \
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(G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_NIIMAQSRC, GstNiImaqSrcClass))
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typedef struct _GstNiImaqSrc GstNiImaqSrc;
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typedef struct _GstNiImaqSrcClass GstNiImaqSrcClass;
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struct _GstNiImaqSrc {
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GstPushSrc element;
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/* properties */
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gchar *interface_name;
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gint bufsize;
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gboolean avoid_copy;
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/* image info */
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GstVideoFormat format;
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int width;
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int height;
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gint framesize;
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int rowpixels;
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gint64 n_frames; /* total frames sent */
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uInt32 cumbufnum;
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gint64 n_dropped_frames;
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guint32** buflist;
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GstClockTime *times;
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INTERFACE_ID iid;
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SESSION_ID sid;
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gboolean session_started;
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GstClockTime base_time;
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GstDateTime *start_time;
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gboolean start_time_sent;
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};
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struct _GstNiImaqSrcClass {
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GstPushSrcClass parent_class;
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/* probed interfaces */
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GList *interfaces;
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};
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GType gst_niimaqsrc_get_type (void);
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G_END_DECLS
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#endif /* __GST_NIIMAQSRC_H__ */
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