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config-policy: fade in/out when streams are linked/unlinked

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This commit is contained in:
Julian Bouzas 2020-02-12 16:39:48 -05:00
parent 64f131cbdd
commit a861e47643
1 changed files with 41 additions and 3 deletions
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44
modules/module-config-policy/config-policy.c
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@ -7,6 +7,7 @@
*/
#include <spa/utils/keys.h>
#include <spa/param/control/audio.h>
#include <pipewire/pipewire.h>
@ -108,6 +109,36 @@ on_endpoint_link_created (GObject *initable, GAsyncResult *res, gpointer data)
}
}
static void
on_faded_destroy_link (GObject *stream, GAsyncResult *res, gpointer data)
{
WpBaseEndpointLink *l = WP_BASE_ENDPOINT_LINK (data);
g_return_if_fail (l);
wp_base_endpoint_link_destroy (l);
}
static void
on_faded_done (GObject *stream, GAsyncResult *res, gpointer data)
{
g_info ("done fading\n");
}
static void
fade_out (WpBaseEndpoint *ep, guint stream_id, GAsyncReadyCallback callback,
gpointer data)
{
wp_base_endpoint_begin_fade (ep, stream_id, 200, 0.003, PW_DIRECTION_INPUT,
SPA_CONTROL_AUDIO_FADE_TYPE_LOGARITHMIC, NULL, callback, data);
}
static void
fade_in (WpBaseEndpoint *ep, guint stream_id, GAsyncReadyCallback callback,
gpointer data)
{
wp_base_endpoint_begin_fade (ep, stream_id, 200, 0.003, PW_DIRECTION_OUTPUT,
SPA_CONTROL_AUDIO_FADE_TYPE_LOGARITHMIC, NULL, callback, data);
}
static gboolean
wp_config_policy_handle_pending_link (WpConfigPolicy *self,
struct link_info *li, WpBaseEndpoint *target)
@ -138,7 +169,9 @@ wp_config_policy_handle_pending_link (WpConfigPolicy *self,
/* linked to the wrong target so unlink and continue */
g_debug ("Unlinking endpoint '%s' from its previous target",
wp_base_endpoint_get_name (li->ep));
wp_base_endpoint_link_destroy (l);
WpBaseEndpoint *ep = wp_base_endpoint_link_get_sink_endpoint (l);
guint32 stream_id = wp_base_endpoint_link_get_sink_stream (l);
fade_out (ep, stream_id, on_faded_destroy_link, l);
}
}
@ -147,16 +180,21 @@ wp_config_policy_handle_pending_link (WpConfigPolicy *self,
GPtrArray *links = wp_base_endpoint_get_links (target);
for (guint i = 0; i < links->len; i++) {
WpBaseEndpointLink *l = g_ptr_array_index (links, i);
if (!wp_base_endpoint_link_is_kept (l))
wp_base_endpoint_link_destroy (l);
if (!wp_base_endpoint_link_is_kept (l)) {
WpBaseEndpoint *ep = wp_base_endpoint_link_get_sink_endpoint (l);
guint32 stream_id = wp_base_endpoint_link_get_sink_stream (l);
fade_out (ep, stream_id, on_faded_destroy_link, l);
}
}
}
/* Link the client with the target */
if (is_capture) {
fade_in (li->ep, WP_STREAM_ID_NONE, on_faded_done, NULL);
wp_base_endpoint_link_new (core, target, li->stream_id, li->ep,
WP_STREAM_ID_NONE, li->keep, on_endpoint_link_created, self);
} else {
fade_in (target, li->stream_id, on_faded_done, NULL);
wp_base_endpoint_link_new (core, li->ep, WP_STREAM_ID_NONE, target,
li->stream_id, li->keep, on_endpoint_link_created, self);
}