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acp: pass channelmap around

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so that we can use it as a default in channelmix
This commit is contained in:
Wim Taymans 2020-12-18 17:18:53 +01:00
parent c3973fd9ec
commit a25f1a6a1d
2 changed files with 36 additions and 5 deletions
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16
spa/plugins/alsa/alsa-acp-device.c
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@ -141,9 +141,10 @@ static int emit_node(struct impl *this, struct acp_device *dev)
{
struct spa_dict_item *items;
const struct acp_dict_item *it;
uint32_t n_items;
uint32_t n_items, i;
char device_name[128], path[180], channels[16];
char card_id[16], *p;
char positions[SPA_AUDIO_MAX_CHANNELS * 6];
struct spa_device_object_info info;
struct acp_card *card = this->card;
const char *stream, *devstr;;
@ -161,7 +162,7 @@ static int emit_node(struct impl *this, struct acp_device *dev)
info.change_mask = SPA_DEVICE_OBJECT_CHANGE_MASK_PROPS;
n_items = dev->props.n_items + 5;
n_items = dev->props.n_items + 6;
items = alloca(n_items * sizeof(*items));
snprintf(card_id, sizeof(card), "%d", card->index);
@ -181,9 +182,16 @@ static int emit_node(struct impl *this, struct acp_device *dev)
items[2] = SPA_DICT_ITEM_INIT(SPA_KEY_API_ALSA_PCM_CARD, card_id);
items[3] = SPA_DICT_ITEM_INIT(SPA_KEY_API_ALSA_PCM_STREAM, stream);
snprintf(channels, sizeof(channels), "%d", dev->format.channels);
snprintf(channels, sizeof(channels)-1, "%d", dev->format.channels);
items[4] = SPA_DICT_ITEM_INIT(SPA_KEY_AUDIO_CHANNELS, channels);
n_items = 5;
p = positions;
for (i = 0; i < dev->format.channels; i++)
p += snprintf(p, 6, "%s%s", i == 0 ? "" : ",",
spa_debug_type_short_name(spa_type_audio_channel[dev->format.map[i]].name));
items[5] = SPA_DICT_ITEM_INIT(SPA_KEY_AUDIO_POSITION, positions);
n_items = 6;
acp_dict_for_each(it, &dev->props)
items[n_items++] = SPA_DICT_ITEM_INIT(it->key, it->value);