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channelmix: Prepare for generating LFE channel

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Add channelmix.lfe-cutoff property, 0 is disabled
Disable upmix by default
This commit is contained in:
Wim Taymans 2021-03-17 11:09:19 +01:00
parent 4200ca98d6
commit e51cc5b537
7 changed files with 27 additions and 20 deletions
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6
spa/plugins/audioconvert/channelmix.c
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@ -303,6 +303,7 @@ static int setup_convert(struct impl *this,
this->mix.dst_mask = dst_mask;
this->mix.cpu_flags = this->cpu_flags;
this->mix.log = this->log;
this->mix.freq = src_info->info.raw.rate;
if ((res = channelmix_init(&this->mix)) < 0)
return res;
@ -1273,9 +1274,8 @@ impl_init(const struct spa_handle_factory *factory,
if ((str = spa_dict_lookup(info, "channelmix.upmix")) != NULL &&
(strcmp(str, "true") == 0 || atoi(str) != 0))
this->mix.options |= CHANNELMIX_OPTION_UPMIX;
if ((str = spa_dict_lookup(info, "channelmix.filter-lfe")) != NULL &&
(strcmp(str, "true") == 0 || atoi(str) != 0))
this->mix.options |= CHANNELMIX_OPTION_FILTER_LFE;
if ((str = spa_dict_lookup(info, "channelmix.lfe-cutoff")) != NULL)
this->mix.lfe_cutoff = atoi(str);
if ((str = spa_dict_lookup(info, SPA_KEY_AUDIO_POSITION)) != NULL) {
size_t len;
const char *p = str;