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pulse: try hard to always create a valid channel map

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Unknown channel names are mapped to aux channels.
Add extra AUX channels when we don't know the channel layout.
This makes sure apps always receive valid channel layouts so they
don't abort (pactl).
This commit is contained in:
Wim Taymans 2020-09-14 11:06:11 +02:00
parent 320e63fe48
commit 67f4acaf1d
3 changed files with 19 additions and 13 deletions
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5
pipewire-pulseaudio/src/stream.c
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@ -569,7 +569,8 @@ pa_stream* pa_stream_new_with_proplist(pa_context *c, const char *name,
pa_channel_map tmap;
if (!map)
PA_CHECK_VALIDITY_RETURN_NULL(c, map = pa_channel_map_init_auto(&tmap, ss->channels, PA_CHANNEL_MAP_DEFAULT), PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, map = pa_channel_map_init_extend(&tmap,
ss->channels, PA_CHANNEL_MAP_DEFAULT), PA_ERR_INVALID);
return stream_new(c, name, ss, map, NULL, 0, p);
}
@ -879,7 +880,7 @@ static int create_stream(pa_stream_direction_t direction,
continue;
}
if (pa_format_info_get_channel_map(s->req_formats[i], &chmap) < 0)
pa_channel_map_init_auto(&chmap, ss.channels, PA_CHANNEL_MAP_DEFAULT);
pa_channel_map_init_extend(&chmap, ss.channels, PA_CHANNEL_MAP_DEFAULT);
params[n_params++] = pa_format_build_param(&b, SPA_PARAM_EnumFormat,
&ss, &chmap);