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f360aed978
Running audioconvert in merge+split mode is the only way to make this work with the adapter, since the adapter does not support passing multiple channels on a single port right now, and if it does at some point, it will be without a mixing node on the port, which means we will not be able to mix multiple audioconvert nodes on the same adapter. In the future we need to consider writing a lighter volume node with multiple channels support to replace audioconvert. The new linking algorithm now takes into account the channel positions and makes sure to link the correct channels together. Also, it avoids passing the port proxies inside the GVariants, thus making the algorithm a bit more generic and easier to unit test.
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* WirePlumber
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*
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* Copyright © 2019 Collabora Ltd.
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* @author Julian Bouzas <julian.bouzas@collabora.com>
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*
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* SPDX-License-Identifier: MIT
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*/
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#ifndef __WIREPLUMBER_AUDIO_STREAM_H__
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#define __WIREPLUMBER_AUDIO_STREAM_H__
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#include <gio/gio.h>
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#include <wp/wp.h>
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G_BEGIN_DECLS
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guint wp_audio_stream_id_encode (guint stream_id, guint control_id);
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void wp_audio_stream_id_decode (guint id, guint *stream_id, guint *control_id);
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#define WP_TYPE_AUDIO_STREAM (wp_audio_stream_get_type ())
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G_DECLARE_DERIVABLE_TYPE (WpAudioStream, wp_audio_stream, WP, AUDIO_STREAM, GObject)
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/* The audio stream base class */
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struct _WpAudioStreamClass
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{
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GObjectClass parent_class;
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};
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WpAudioStream * wp_audio_stream_new_finish (GObject *initable,
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GAsyncResult *res, GError **error);
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const char *wp_audio_stream_get_name (WpAudioStream * self);
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enum pw_direction wp_audio_stream_get_direction (WpAudioStream * self);
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WpProxyNode * wp_audio_stream_get_proxy_node (WpAudioStream * self);
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const struct pw_node_info * wp_audio_stream_get_info (WpAudioStream * self);
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gboolean wp_audio_stream_prepare_link (WpAudioStream * self,
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GVariant ** properties, GError ** error);
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GVariant * wp_audio_stream_get_control_value (WpAudioStream * self,
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guint32 control_id);
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gboolean wp_audio_stream_set_control_value (WpAudioStream * self,
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guint32 control_id, GVariant * value);
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/* for subclasses */
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WpCore *wp_audio_stream_get_core (WpAudioStream * self);
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void wp_audio_stream_init_task_finish (WpAudioStream * self, GError * error);
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void wp_audio_stream_set_port_config (WpAudioStream * self,
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const struct spa_pod * param);
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void wp_audio_stream_finish_port_config (WpAudioStream * self);
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G_END_DECLS
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#endif
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