gstreamer/sys/decklink/gstdecklinksrc.h
2013-03-16 23:17:24 +00:00

106 lines
2.9 KiB
C

/* GStreamer
* Copyright (C) 2011 David Schleef <ds@schleef.org>
*
* 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_SRC_H_
#define _GST_DECKLINK_SRC_H_
#include <gst/gst.h>
#include "gstdecklink.h"
G_BEGIN_DECLS
GST_DEBUG_CATEGORY_EXTERN (gst_decklink_src_debug_category);
#define GST_TYPE_DECKLINK_SRC (gst_decklink_src_get_type())
#define GST_DECKLINK_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DECKLINK_SRC,GstDecklinkSrc))
#define GST_DECKLINK_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DECKLINK_SRC,GstDecklinkSrcClass))
#define GST_DECKLINK_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DECKLINK_SRC, GstDecklinkSrcClass))
#define GST_IS_DECKLINK_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DECKLINK_SRC))
#define GST_IS_DECKLINK_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DECKLINK_SRC))
typedef struct _GstDecklinkSrc GstDecklinkSrc;
typedef struct _GstDecklinkSrcClass GstDecklinkSrcClass;
struct _GstDecklinkSrc
{
GstElement base_decklinksrc;
GstPad *audiosrcpad;
GstPad *videosrcpad;
gboolean pending_eos; /* ATOMIC */
gboolean have_events; /* ATOMIC */
GList *pending_events; /* OBJECT_LOCK */
IDeckLink *decklink;
IDeckLinkInput *input;
IDeckLinkConfiguration *config;
GMutex mutex;
GCond cond;
int dropped_frames;
int dropped_frames_old;
gboolean stop;
IDeckLinkVideoInputFrame *video_frame;
IDeckLinkAudioInputPacket * audio_frame;
GstTask *task;
GRecMutex task_mutex;
guint64 num_audio_samples;
guint64 frame_num;
int fps_n;
int fps_d;
int width;
int height;
gboolean interlaced;
BMDDisplayMode bmd_mode;
/* so we send a stream-start, caps, and newsegment events before buffers */
gboolean started;
/* properties */
gboolean copy_data;
GstDecklinkModeEnum mode;
GstDecklinkConnectionEnum connection;
GstDecklinkAudioConnectionEnum audio_connection;
int device;
#ifdef _MSC_VER
gboolean comInitialized;
GMutex *com_init_lock;
GMutex *com_deinit_lock;
GCond *com_initialized;
GCond *com_uninitialize;
GCond *com_uninitialized;
#endif /* _MSC_VER */
};
struct _GstDecklinkSrcClass
{
GstElementClass base_decklinksrc_class;
};
GType gst_decklink_src_get_type (void);
G_END_DECLS
#endif