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softdsp-endpoint: workaround pipewire bug

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spa audioconvert (the backend of audio-dsp) does not adevertise
property changes, therefore subscribe_params() is useless.
In order to get the real value from the node we need to call
enum_params() manually.

https://github.com/PipeWire/pipewire/issues/157
This commit is contained in:
George Kiagiadakis
2019-06-19 12:19:36 +03:00
parent aa5b16f8df
commit 0ad9464b54
1 changed files with 5 additions and 2 deletions
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7
modules/module-pw-audio-softdsp-endpoint.c
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@@ -232,7 +232,6 @@ emit_audio_dsp_node (WpPwAudioSoftdspEndpoint *self)
uint8_t buf[1024];
struct spa_pod_builder pod_builder = { 0, };
struct spa_pod *param;
uint32_t ids[1] = { SPA_PARAM_Props };
const struct pw_node_info *node_info;
const struct spa_audio_info_raw *port_format;
struct spa_audio_info_raw format;
@@ -269,7 +268,7 @@ emit_audio_dsp_node (WpPwAudioSoftdspEndpoint *self)
PW_TYPE_INTERFACE_Node, PW_VERSION_NODE, &props->dict, 0);
pw_node_proxy_add_listener(self->dsp_proxy, &self->dsp_listener,
&dsp_node_events, self);
pw_node_proxy_subscribe_params (self->dsp_proxy, ids, SPA_N_ELEMENTS (ids));
pw_node_proxy_enum_params (self->dsp_proxy, 0, SPA_PARAM_Props, 0, -1, NULL);
/* Set DSP proxy params */
spa_pod_builder_init(&pod_builder, buf, sizeof(buf));
@@ -448,6 +447,8 @@ endpoint_set_control_value (WpEndpoint * ep, guint32 control_id,
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
SPA_PROP_volume, SPA_POD_Float(volume),
NULL));
pw_node_proxy_enum_params (self->dsp_proxy, 0, SPA_PARAM_Props, 0, -1,
NULL);
break;
case CONTROL_MUTE:
@@ -462,6 +463,8 @@ endpoint_set_control_value (WpEndpoint * ep, guint32 control_id,
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
SPA_PROP_mute, SPA_POD_Bool(mute),
NULL));
pw_node_proxy_enum_params (self->dsp_proxy, 0, SPA_PARAM_Props, 0, -1,
NULL);
break;
case CONTROL_SELECTED: