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/*
* GStreamer
* Copyright (C) 2016 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_AVWAIT_H__
#define __GST_AVWAIT_H__
#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_AVWAIT (gst_avwait_get_type())
#define GST_AVWAIT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVWAIT,GstAvWait))
#define GST_IS_AVWAIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVWAIT))
#define GST_AVWAIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AVWAIT,GstAvWaitClass))
#define GST_IS_AVWAIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AVWAIT))
#define GST_AVWAIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AVWAIT,GstAvWaitClass))
#define GST_TYPE_AVWAIT_MODE (gst_avwait_mode_get_type ())
typedef struct _GstAvWait GstAvWait;
typedef struct _GstAvWaitClass GstAvWaitClass;
typedef enum
{
MODE_TIMECODE,
MODE_RUNNING_TIME,
MODE_VIDEO_FIRST
} GstAvWaitMode;
struct _GstAvWait
{
GstElement parent;
GstVideoTimeCode *tc;
GstClockTime target_running_time;
GstAvWaitMode mode;
GstVideoTimeCode *end_tc;
GstClockTime end_running_time;
GstClockTime running_time_to_end_at;
GstPad *asrcpad, *asinkpad, *vsrcpad, *vsinkpad;
GstAudioInfo ainfo;
GstVideoInfo vinfo;
GstSegment asegment, vsegment;
GstClockTime running_time_to_wait_for;
GstClockTime last_seen_video_running_time;
GstClockTime first_audio_running_time;
GstVideoTimeCode *last_seen_tc;
/* If running_time_to_wait_for has been reached but we are
* not recording, audio shouldn't start running. It should
* instead start synchronised with the video when we start
* recording. Similarly when stopping recording manually vs
* when the target timecode has been reached. So we use
* different variables for the audio */
GstClockTime audio_running_time_to_wait_for;
GstClockTime audio_running_time_to_end_at;
gboolean video_eos_flag;
gboolean audio_eos_flag;
gboolean video_flush_flag;
gboolean audio_flush_flag;
gboolean shutdown_flag;
gboolean dropping;
gboolean recording;
gboolean was_recording;
gint must_send_end_message;
GCond cond;
GMutex mutex;
GCond audio_cond;
};
struct _GstAvWaitClass
{
GstElementClass parent_class;
};
GType gst_avwait_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (avwait);
G_END_DECLS
#endif /* __GST_AVWAIT_H__ */
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