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channelmix: remap volumes

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The volumes set with the properties need to be reordered to match
the volumes of our internal layout.
This commit is contained in:
Wim Taymans 2021-03-11 11:26:26 +01:00
parent 38d36f1921
commit d63f4234ae
1 changed files with 18 additions and 5 deletions
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23
spa/plugins/audioconvert/channelmix.c
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@ -204,12 +204,25 @@ static uint64_t default_mask(uint32_t channels)
}
return mask;
}
static int remap_volumes(struct props *p, const struct spa_audio_info *info)
static int remap_volumes(struct impl *this, const struct spa_audio_info *info)
{
float s;
uint32_t i, target = info->info.raw.channels;
struct props *p = &this->props;
uint32_t i, j, target = info->info.raw.channels;
for (i = 0; i < p->n_channels; i++) {
for (j = i; j < target; j++) {
spa_log_debug(this->log, "%d %d: %d <-> %d", i, j,
p->channel_map[i], info->info.raw.position[j]);
if (p->channel_map[i] != info->info.raw.position[j])
continue;
if (i != j) {
SPA_SWAP(p->channel_map[i], p->channel_map[j]);
SPA_SWAP(p->channel_volumes[i], p->channel_volumes[j]);
}
break;
}
}
p->n_channels = target;
for (i = 0; i < p->n_channels; i++)
p->channel_map[i] = info->info.raw.position[i];
@ -287,7 +300,7 @@ static int setup_convert(struct impl *this,
if ((res = channelmix_init(&this->mix)) < 0)
return res;
remap_volumes(&this->props, src_info);
remap_volumes(this, src_info);
channelmix_set_volume(&this->mix, this->props.volume, this->props.mute,
this->props.n_channel_volumes, this->props.channel_volumes);
@ -437,7 +450,7 @@ static int apply_props(struct impl *this, const struct spa_pod *param)
}
}
if (changed && this->mix.set_volume) {
remap_volumes(&this->props, &GET_IN_PORT(this, 0)->format);
remap_volumes(this, &GET_IN_PORT(this, 0)->format);
channelmix_set_volume(&this->mix, p->volume, p->mute,
p->n_channel_volumes, p->channel_volumes);
}