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99c86891a4
This does not implement automatic mode selection yet, for which it is necessary to change the routing at runtime based on the detected format. It is a first step into that direction though.
97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/* GStreamer
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* Copyright (C) 2021 Sebastian Dröge <sebastian@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/base/base.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstajacommon.h"
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G_BEGIN_DECLS
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#define GST_TYPE_AJA_SRC (gst_aja_src_get_type())
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#define GST_AJA_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AJA_SRC, GstAjaSrc))
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#define GST_AJA_SRC_CAST(obj) ((GstAjaSrc *)obj)
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#define GST_AJA_SRC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AJA_SRC, GstAjaSrcClass))
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#define GST_IS_AJA_SRC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AJA_SRC))
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#define GST_IS_AJA_SRC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AJA_SRC))
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typedef struct _GstAjaSrc GstAjaSrc;
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typedef struct _GstAjaSrcClass GstAjaSrcClass;
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struct _GstAjaSrc {
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GstPushSrc parent;
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// Everything below protected by queue lock
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GMutex queue_lock;
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GCond queue_cond;
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GstQueueArray *queue;
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gboolean playing;
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gboolean shutdown;
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gboolean flushing;
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GstAjaDevice *device;
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NTV2DeviceID device_id;
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GstAllocator *allocator;
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GstBufferPool *buffer_pool;
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GstBufferPool *audio_buffer_pool;
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GstBufferPool *anc_buffer_pool;
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// Properties
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gchar *device_identifier;
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NTV2Channel channel;
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GstAjaAudioSystem audio_system_setting;
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GstAjaVideoFormat video_format_setting;
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GstAjaSdiMode sdi_mode;
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GstAjaInputSource input_source;
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GstAjaAudioSource audio_source;
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GstAjaTimecodeIndex timecode_index;
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GstAjaReferenceSource reference_source;
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guint queue_size;
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guint capture_cpu_core;
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NTV2AudioSystem audio_system;
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NTV2VideoFormat video_format;
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bool quad_mode;
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NTV2VANCMode vanc_mode;
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NTV2InputSource configured_input_source;
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NTV2TCIndex tc_index;
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GstVideoInfo configured_info; // Based on properties
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GstVideoInfo current_info; // Based on properties + stream metadata
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gint configured_audio_channels;
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AJAThread *capture_thread;
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};
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struct _GstAjaSrcClass {
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GstPushSrcClass parent_class;
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};
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G_GNUC_INTERNAL
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GType gst_aja_src_get_type(void);
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G_END_DECLS
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