gstreamer/gstajasink.h
2021-07-06 15:23:17 +03:00

101 lines
2.7 KiB
C

/* GStreamer
* Copyright (C) 2021 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.
*/
#pragma once
#include <gst/base/base.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstajacommon.h"
G_BEGIN_DECLS
#define GST_TYPE_AJA_SINK (gst_aja_sink_get_type())
#define GST_AJA_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AJA_SINK, GstAjaSink))
#define GST_AJA_SINK_CAST(obj) ((GstAjaSink *)obj)
#define GST_AJA_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AJA_SINK, GstAjaSinkClass))
#define GST_IS_AJA_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AJA_SINK))
#define GST_IS_AJA_SINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AJA_SINK))
typedef struct _GstAjaSink GstAjaSink;
typedef struct _GstAjaSinkClass GstAjaSinkClass;
struct _GstAjaSink {
GstBaseSink parent;
// Everything below protected by queue lock
GMutex queue_lock;
GCond queue_cond;
GstQueueArray *queue;
gboolean eos;
gboolean playing;
gboolean shutdown;
gboolean draining;
// Hold by set_caps() to wait until drained
GCond drain_cond;
gboolean flushing;
GstAjaDevice *device;
NTV2DeviceID device_id;
GstAllocator *allocator;
// Only allocated on demand
GstBufferPool *buffer_pool;
GstBufferPool *audio_buffer_pool;
GstBufferPool *anc_buffer_pool;
// Properties
gchar *device_identifier;
NTV2Channel channel;
guint queue_size;
guint output_cpu_core;
GstAjaAudioSystem audio_system_setting;
GstAjaOutputDestination output_destination;
GstAjaSdiMode sdi_mode;
GstAjaTimecodeIndex timecode_index;
GstAjaReferenceSource reference_source;
NTV2AudioSystem audio_system;
NTV2VideoFormat video_format;
bool quad_mode;
NTV2VANCMode vanc_mode;
guint32 f2_start_line;
NTV2TCIndexes *tc_indexes;
GstCaps *configured_caps;
GstVideoInfo configured_info;
gint configured_audio_channels;
AJAThread *output_thread;
};
struct _GstAjaSinkClass {
GstBaseSinkClass parent_class;
};
G_GNUC_INTERNAL
GType gst_aja_sink_get_type(void);
G_END_DECLS