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link-algorithm: link mono inputs to all available target ports

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This avoids hearing mono audio only on the left speaker
This commit is contained in:
George Kiagiadakis 2019-12-11 01:55:42 +02:00
parent 3a4040ddaf
commit f789c4bce4
1 changed files with 13 additions and 1 deletions
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14
modules/module-pipewire/algorithms.c
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@ -33,6 +33,7 @@ multiport_link_create (
guint32 out_channel, in_channel;
guint8 direction;
guint i;
gboolean link_all = FALSE;
/* tuple format:
uint32 node_id;
@ -63,6 +64,12 @@ multiport_link_create (
/* now loop over the out ports and figure out where they should be linked */
g_variant_get (src_data, "a(uuuy)", &iter);
/* special case for mono inputs: link to all outputs,
since we don't support proper channel mapping yet */
if (g_variant_iter_n_children (iter) == 1)
link_all = TRUE;
while (g_variant_iter_loop (iter, "(uuuy)", &out_node_id, &out_port_id,
&out_channel, &direction))
{
@ -76,7 +83,8 @@ multiport_link_create (
/* the channel has to match, unless we don't have any information
on channel ordering on either side */
if (out_channel == in_channel ||
if (link_all ||
out_channel == in_channel ||
out_channel == SPA_AUDIO_CHANNEL_UNKNOWN ||
in_channel == SPA_AUDIO_CHANNEL_UNKNOWN)
{
@ -98,6 +106,10 @@ multiport_link_create (
/* and the link */
create_link_cb (props, user_data);
/* continue to link all input ports, if requested */
if (link_all)
continue;
/* and remove the linked input port from the array */
g_ptr_array_remove_index (in_ports, i);