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104 lines
4.4 KiB
C
104 lines
4.4 KiB
C
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/* GStreamer
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* Copyright (C) 2021 Seungha Yang <seungha@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 aglong 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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#ifndef __GST_ASIO_OBJECT_H__
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#define __GST_ASIO_OBJECT_H__
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#include <gst/gst.h>
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#include <windows.h>
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#include "gstasioutils.h"
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G_BEGIN_DECLS
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#define GST_TYPE_ASIO_OBJECT (gst_asio_object_get_type())
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G_DECLARE_FINAL_TYPE (GstAsioObject, gst_asio_object,
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GST, ASIO_OBJECT, GstObject);
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typedef struct {
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gboolean (*buffer_switch) (GstAsioObject * obj,
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glong index,
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ASIOBufferInfo * infos,
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guint num_infos,
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ASIOChannelInfo * input_channel_infos,
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ASIOChannelInfo * output_channel_infos,
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ASIOSampleRate sample_rate,
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glong buffer_size,
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ASIOTime * time_info,
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gpointer user_data);
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gpointer user_data;
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} GstAsioObjectCallbacks;
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typedef enum
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{
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GST_ASIO_DEVICE_CLASS_CAPTURE,
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GST_ASIO_DEVICE_CLASS_RENDER,
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GST_ASIO_DEVICE_CLASS_LOOPBACK_CAPTURE,
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} GstAsioDeviceClassType;
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GstAsioObject * gst_asio_object_new (const GstAsioDeviceInfo * info,
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gboolean occupy_all_channels);
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GstCaps * gst_asio_object_get_caps (GstAsioObject * obj,
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GstAsioDeviceClassType type,
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guint num_min_channels,
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guint num_max_channels);
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gboolean gst_asio_object_create_buffers (GstAsioObject * obj,
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GstAsioDeviceClassType type,
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guint * channel_indices,
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guint num_channels,
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guint * buffer_size);
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gboolean gst_asio_object_start (GstAsioObject * obj);
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gboolean gst_asio_object_install_callback (GstAsioObject * obj,
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GstAsioDeviceClassType type,
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GstAsioObjectCallbacks * callbacks,
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guint64 * callback_id);
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void gst_asio_object_uninstall_callback (GstAsioObject * obj,
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guint64 callback_id);
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gboolean gst_asio_object_get_max_num_channels (GstAsioObject * obj,
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glong * num_input_ch,
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glong * num_output_ch);
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gboolean gst_asio_object_get_buffer_size (GstAsioObject * obj,
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glong * min_size,
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glong * max_size,
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glong * preferred_size,
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glong * granularity);
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gboolean gst_asio_object_get_latencies (GstAsioObject * obj,
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glong * input_latency,
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glong * output_latency);
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gboolean gst_asio_object_can_sample_rate (GstAsioObject * obj,
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ASIOSampleRate sample_rate);
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gboolean gst_asio_object_get_sample_rate (GstAsioObject * obj,
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ASIOSampleRate * sample_rate);
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gboolean gst_asio_object_set_sample_rate (GstAsioObject * obj,
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ASIOSampleRate sample_rate);
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G_END_DECLS
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#endif /* __GST_ASIO_OBJECT_H__ */
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