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/* GStreamer
*
* Copyright (C) 2011 David Schleef <ds@schleef.org>
* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.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_DECKLINK_AUDIO_SRC_H__
#define __GST_DECKLINK_AUDIO_SRC_H__
#include <gst/gst.h>
#include <gst/base/base.h>
#include <gst/audio/audio.h>
#include "gstdecklink.h"
G_BEGIN_DECLS
#define GST_TYPE_DECKLINK_AUDIO_SRC \
(gst_decklink_audio_src_get_type())
#define GST_DECKLINK_AUDIO_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DECKLINK_AUDIO_SRC, GstDecklinkAudioSrc))
#define GST_DECKLINK_AUDIO_SRC_CAST(obj) \
((GstDecklinkAudioSrc*)obj)
#define GST_DECKLINK_AUDIO_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DECKLINK_AUDIO_SRC, GstDecklinkAudioSrcClass))
#define GST_IS_DECKLINK_AUDIO_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DECKLINK_AUDIO_SRC))
#define GST_IS_DECKLINK_AUDIO_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DECKLINK_AUDIO_SRC))
typedef struct _GstDecklinkAudioSrc GstDecklinkAudioSrc;
typedef struct _GstDecklinkAudioSrcClass GstDecklinkAudioSrcClass;
struct _GstDecklinkAudioSrc
{
GstPushSrc parent;
GstDecklinkModeEnum mode;
GstDecklinkAudioConnectionEnum connection;
gint device_number;
GstDecklinkAudioChannelsEnum channels;
gint64 channels_found;
GstAudioInfo info;
GstDecklinkInput *input;
GCond cond;
GMutex lock;
gboolean flushing;
GstQueueArray *current_packets;
/* properties for handling jittery timestamps */
GstClockTime alignment_threshold;
GstClockTime discont_wait;
/* counter to keep track of timestamps */
guint64 next_offset;
/* Last time we noticed a discont */
GstClockTime discont_time;
guint buffer_size;
};
struct _GstDecklinkAudioSrcClass
{
GstPushSrcClass parent_class;
};
GType gst_decklink_audio_src_get_type (void);
G_END_DECLS
#endif /* __GST_DECKLINK_AUDIO_SRC_H__ */
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