gstreamer/subprojects/gst-plugins-bad/sys/aja/gstajasrc.h

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/* 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_SRC (gst_aja_src_get_type())
#define GST_AJA_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AJA_SRC, GstAjaSrc))
#define GST_AJA_SRC_CAST(obj) ((GstAjaSrc *)obj)
#define GST_AJA_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AJA_SRC, GstAjaSrcClass))
#define GST_IS_AJA_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AJA_SRC))
#define GST_IS_AJA_SRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AJA_SRC))
typedef struct _GstAjaSrc GstAjaSrc;
typedef struct _GstAjaSrcClass GstAjaSrcClass;
struct _GstAjaSrc {
GstPushSrc parent;
// Everything below protected by queue lock
GMutex queue_lock;
GCond queue_cond;
GstQueueArray *queue;
guint queue_num_frames;
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gboolean playing;
gboolean shutdown;
gboolean flushing;
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GstAjaNtv2Device *device;
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NTV2DeviceID device_id;
GstAllocator *allocator;
GstBufferPool *buffer_pool;
GstBufferPool *audio_buffer_pool;
GstBufferPool *anc_buffer_pool;
// Properties
gchar *device_identifier;
NTV2Channel channel;
GstAjaAudioSystem audio_system_setting;
GstAjaVideoFormat video_format_setting;
GstAjaSdiMode sdi_mode;
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GstAjaInputSource input_source;
GstAjaAudioSource audio_source;
GstAjaEmbeddedAudioInput embedded_audio_input;
GstAjaTimecodeIndex timecode_index;
gboolean rp188;
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GstAjaReferenceSource reference_source;
GstAjaClosedCaptionCaptureMode closed_caption_capture_mode;
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guint queue_size;
guint start_frame, end_frame;
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guint capture_cpu_core;
gboolean signal;
gboolean attach_ancillary_meta;
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NTV2AudioSystem audio_system;
NTV2VideoFormat video_format;
bool quad_mode;
NTV2VANCMode vanc_mode;
NTV2InputSource configured_input_source;
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GstVideoInfo configured_info; // Based on properties
GstVideoInfo current_info; // Based on properties + stream metadata
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gint configured_audio_channels;
AJAThread *capture_thread;
};
struct _GstAjaSrcClass {
GstPushSrcClass parent_class;
};
G_GNUC_INTERNAL
GType gst_aja_src_get_type(void);
G_END_DECLS