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abdb30c567
We cannot call any CMBufferQueue functions while holding the lock that our callback also depends on. So now we make use of CMBufferQueue's trigger API in order to get notified when the queue has data.
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (C) 2010 Ole André Vadla Ravnås <oravnas@cisco.com>
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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_CEL_VIDEO_SRC_H__
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#define __GST_CEL_VIDEO_SRC_H__
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#include <gst/base/gstpushsrc.h>
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#include "coremediactx.h"
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G_BEGIN_DECLS
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#define GST_TYPE_CEL_VIDEO_SRC \
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(gst_cel_video_src_get_type ())
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#define GST_CEL_VIDEO_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_CEL_VIDEO_SRC, GstCelVideoSrc))
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#define GST_CEL_VIDEO_SRC_CAST(obj) \
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((GstCelVideoSrc *) (obj))
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#define GST_CEL_VIDEO_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_CEL_VIDEO_SRC, GstCelVideoSrcClass))
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#define GST_IS_CEL_VIDEO_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_CEL_VIDEO_SRC))
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#define GST_IS_CEL_VIDEO_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_CEL_VIDEO_SRC))
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typedef struct _GstCelVideoSrc GstCelVideoSrc;
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typedef struct _GstCelVideoSrcClass GstCelVideoSrcClass;
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struct _GstCelVideoSrc
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{
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GstPushSrc push_src;
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gint device_index;
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gboolean do_stats;
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GstCoreMediaCtx *ctx;
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FigCaptureDeviceRef device;
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FigCaptureDeviceIface *device_iface;
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FigBaseObjectRef device_base;
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FigBaseIface *device_base_iface;
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FigCaptureStreamRef stream;
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FigCaptureStreamIface *stream_iface;
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FigBaseObjectRef stream_base;
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FigBaseIface *stream_base_iface;
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CMBufferQueueRef queue;
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CMBufferQueueTriggerToken ready_trigger;
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GstCaps *device_caps;
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GArray *device_formats;
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GstClockTime duration;
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volatile gint is_running;
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guint64 offset;
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GCond *ready_cond;
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volatile gboolean queue_is_ready;
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GstClockTime last_sampling;
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guint count;
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gint fps;
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};
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struct _GstCelVideoSrcClass
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{
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GstPushSrcClass parent_class;
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};
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GType gst_cel_video_src_get_type (void);
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G_END_DECLS
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#endif /* __GST_CEL_VIDEO_SRC_H__ */
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