pipewire/src/examples/media-session/streams-follow-default.c

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/* PipeWire
*
* Copyright © 2021 Pauli Virtanen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*
* Instruct policy-node to move streams when the default sink/sources (either explicitly set
* via metadata, or determined from priority) changes, and the stream does not have an
* explicitly specified target node.
*
* This is done by just setting a session property flag, and policy-node does the rest.
*/
#include "config.h"
#include "pipewire/pipewire.h"
#include "extensions/metadata.h"
#include "media-session.h"
#define KEY_NAME "policy-node.streams-follow-default"
int sm_streams_follow_default_start(struct sm_media_session *session)
{
pw_properties_set(session->props, KEY_NAME, "true");
return 0;
}