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m-mixer-api: track monitorVolumes and allow modifying them

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This only applies to non-device nodes, because monitorVolumes
are not exposed on device Routes
This commit is contained in:
George Kiagiadakis
2021-04-26 17:35:32 +03:00
parent 42e75028d2
commit 07a8b5035e
1 changed files with 33 additions and 0 deletions
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33
modules/module-mixer-api.c
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@@ -30,6 +30,7 @@ struct node_info {
gint32 route_device;
struct volume volume;
struct volume monitorVolume;
struct channel_map map;
bool mute;
float svolume;
@@ -129,6 +130,7 @@ node_info_fill (struct node_info * info, WpSpaPod * props)
{
g_autoptr (WpSpaPod) channelVolumes = NULL;
g_autoptr (WpSpaPod) channelMap = NULL;
g_autoptr (WpSpaPod) monitorVolumes = NULL;
if (!wp_spa_pod_get_object (props, NULL,
"mute", "b", &info->mute,
@@ -146,6 +148,7 @@ node_info_fill (struct node_info * info, WpSpaPod * props)
"volumeBase", "?f", &info->base,
"volumeStep", "?f", &info->step,
"volume", "?f", &info->svolume,
"monitorVolumes", "?P", &monitorVolumes,
NULL);
info->volume.channels = spa_pod_copy_array (
@@ -157,6 +160,11 @@ node_info_fill (struct node_info * info, WpSpaPod * props)
wp_spa_pod_get_spa_pod (channelMap), SPA_TYPE_Id,
info->map.map, SPA_AUDIO_MAX_CHANNELS);
if (monitorVolumes)
info->monitorVolume.channels = spa_pod_copy_array (
wp_spa_pod_get_spa_pod (monitorVolumes), SPA_TYPE_Float,
info->monitorVolume.values, SPA_AUDIO_MAX_CHANNELS);
return TRUE;
}
@@ -383,6 +391,7 @@ wp_mixer_api_set_volume (WpMixerApi * self, guint32 id, GVariant * vvolume)
struct node_info *info = self->node_infos ?
g_hash_table_lookup (self->node_infos, GUINT_TO_POINTER (id)) : NULL;
struct volume new_volume = {0};
struct volume new_monVolume = {0};
gint mute = -1;
WpSpaIdTable t_audioChannel =
wp_spa_id_table_from_name ("Spa:Enum:AudioChannel");
@@ -410,9 +419,16 @@ wp_mixer_api_set_volume (WpMixerApi * self, guint32 id, GVariant * vvolume)
new_volume.values[i] = volume_to_linear (val, self->scale);
}
if (g_variant_lookup (vvolume, "monitorVolume", "d", &val)) {
new_monVolume = info->monitorVolume;
for (uint i = 0; i < new_monVolume.channels; i++)
new_monVolume.values[i] = volume_to_linear (val, self->scale);
}
if (g_variant_lookup (vvolume, "channelVolumes", "a{sv}", &iter)) {
/* keep the existing volume values for unspecified channels */
new_volume = info->volume;
new_monVolume = info->monitorVolume;
while (g_variant_iter_loop (&iter, "{&sv}", &idx_str, &v)) {
guint index = atoi (idx_str);
@@ -442,6 +458,9 @@ wp_mixer_api_set_volume (WpMixerApi * self, guint32 id, GVariant * vvolume)
if (g_variant_lookup (v, "volume", "d", &val)) {
new_volume.values[index] = volume_to_linear (val, self->scale);
}
if (g_variant_lookup (v, "monitorVolume", "d", &val)) {
new_monVolume.values[index] = volume_to_linear (val, self->scale);
}
}
}
} else {
@@ -457,6 +476,10 @@ wp_mixer_api_set_volume (WpMixerApi * self, guint32 id, GVariant * vvolume)
wp_spa_pod_builder_add (b, "channelVolumes", "a",
sizeof(float), SPA_TYPE_Float,
new_volume.channels, new_volume.values, NULL);
if (new_monVolume.channels > 0)
wp_spa_pod_builder_add (b, "monitorVolumes", "a",
sizeof(float), SPA_TYPE_Float,
new_monVolume.channels, new_monVolume.values, NULL);
if (mute != -1)
wp_spa_pod_builder_add (b, "mute", "b", (mute == TRUE), NULL);
@@ -509,6 +532,10 @@ wp_mixer_api_get_volume (WpMixerApi * self, guint32 id)
g_variant_builder_add (&b, "{sv}", "volume", g_variant_new_double (
volume_from_linear ((info->volume.channels > 0) ?
info->volume.values[0] : info->svolume, self->scale)));
if (info->monitorVolume.channels > 0) {
g_variant_builder_add (&b, "{sv}", "monitorVolume", g_variant_new_double (
volume_from_linear (info->monitorVolume.values[0], self->scale)));
}
for (guint i = 0; i < info->volume.channels; i++) {
gchar index_str[10];
@@ -529,6 +556,12 @@ wp_mixer_api_get_volume (WpMixerApi * self, guint32 id)
}
}
if (i < info->monitorVolume.channels) {
g_variant_builder_add (&b_vol_nested, "{sv}",
"monitorVolume", g_variant_new_double (
volume_from_linear (info->monitorVolume.values[i], self->scale)));
}
g_snprintf (index_str, 10, "%u", i);
g_variant_builder_add (&b_vol, "{sv}", index_str,
g_variant_builder_end (&b_vol_nested));