gstreamer/gst/videoframe_audiolevel/gstvideoframe-audiolevel.h

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/*
* GStreamer
* Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_VIDEOFRAME_AUDIOLEVEL_H__
#define __GST_VIDEOFRAME_AUDIOLEVEL_H__
#include <gst/gst.h>
#include <gst/audio/audio.h>
G_BEGIN_DECLS
#define GST_TYPE_VIDEOFRAME_AUDIOLEVEL (gst_videoframe_audiolevel_get_type())
#define GST_VIDEOFRAME_AUDIOLEVEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevel))
#define GST_IS_VIDEOFRAME_AUDIOLEVEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOFRAME_AUDIOLEVEL))
#define GST_VIDEOFRAME_AUDIOLEVEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevelClass))
#define GST_IS_VIDEOFRAME_AUDIOLEVEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL))
#define GST_VIDEOFRAME_AUDIOLEVEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevelClass))
typedef struct _GstVideoFrameAudioLevel GstVideoFrameAudioLevel;
typedef struct _GstVideoFrameAudioLevelClass GstVideoFrameAudioLevelClass;
struct _GstVideoFrameAudioLevel
{
GstElement parent;
GstPad *asrcpad, *asinkpad, *vsrcpad, *vsinkpad;
GstAudioInfo ainfo;
gdouble *CS; /* normalized Cumulative Square */
GstSegment asegment, vsegment;
void (*process) (gpointer, guint, guint, gdouble *);
GQueue vtimeq;
GstAdapter *adapter;
GstClockTime first_time;
guint total_frames;
guint64 next_offset, alignment_threshold, discont_time, discont_wait;
gboolean video_eos_flag;
gboolean audio_flush_flag;
gboolean shutdown_flag;
GCond cond;
GMutex mutex;
};
struct _GstVideoFrameAudioLevelClass
{
GstElementClass parent_class;
};
GType gst_videoframe_audiolevel_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (videoframe_audiolevel);
G_END_DECLS
#endif /* __GST_VIDEOFRAME_AUDIOLEVEL_H__ */