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d61b415230
And calculate them automatically be default based on the number of frame buffers available and the number of channels. This works around various bugs in the AJA SDK when selecting these manually. See AJA support ticket #5056.
103 lines
2.8 KiB
C
103 lines
2.8 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_SINK (gst_aja_sink_get_type())
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#define GST_AJA_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AJA_SINK, GstAjaSink))
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#define GST_AJA_SINK_CAST(obj) ((GstAjaSink *)obj)
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#define GST_AJA_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AJA_SINK, GstAjaSinkClass))
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#define GST_IS_AJA_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AJA_SINK))
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#define GST_IS_AJA_SINK_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AJA_SINK))
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typedef struct _GstAjaSink GstAjaSink;
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typedef struct _GstAjaSinkClass GstAjaSinkClass;
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struct _GstAjaSink {
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GstBaseSink 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 eos;
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gboolean playing;
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gboolean shutdown;
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gboolean draining;
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// Hold by set_caps() to wait until drained
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GCond drain_cond;
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gboolean flushing;
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GstAjaNtv2Device *device;
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NTV2DeviceID device_id;
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GstAllocator *allocator;
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// Only allocated on demand
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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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guint queue_size;
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guint start_frame, end_frame;
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guint output_cpu_core;
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GstAjaAudioSystem audio_system_setting;
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GstAjaOutputDestination output_destination;
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GstAjaSdiMode sdi_mode;
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GstAjaTimecodeIndex timecode_index;
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GstAjaReferenceSource reference_source;
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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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guint32 f2_start_line;
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NTV2TCIndexes *tc_indexes;
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GstCaps *configured_caps;
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GstVideoInfo configured_info;
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gint configured_audio_channels;
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AJAThread *output_thread;
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};
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struct _GstAjaSinkClass {
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GstBaseSinkClass parent_class;
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};
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G_GNUC_INTERNAL
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GType gst_aja_sink_get_type(void);
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G_END_DECLS
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