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alsa: place defaults in properties as fallback

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We place the currently configured runtime settings in the properties but
clear the values when not negotiated. Don't do that but place the
defaults (when set) instead.
This commit is contained in:
Wim Taymans 2023-11-27 16:20:21 +01:00
parent 4debdcd40b
commit eca1f5685e
1 changed files with 20 additions and 12 deletions
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32
spa/plugins/alsa/alsa-pcm.c
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@ -3533,28 +3533,36 @@ void spa_alsa_emit_node_info(struct state *state, bool full)
if (state->info.change_mask) {
struct spa_dict_item items[7];
uint32_t i, n_items = 0;
char latency[64], period[64], nperiods[64], headroom[64];
char latency[64] = "", period[64] = "", nperiods[64] = "", headroom[64] = "";
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_DEVICE_API, "alsa");
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_MEDIA_CLASS,
state->stream == SND_PCM_STREAM_PLAYBACK ? "Audio/Sink" : "Audio/Source");
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_NODE_DRIVER, "true");
if (state->have_format) {
if (state->have_format)
snprintf(latency, sizeof(latency), "%lu/%d", state->buffer_frames / 2, state->rate);
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_NODE_MAX_LATENCY, latency);
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_NODE_MAX_LATENCY, latency[0] ? latency : NULL);
if (state->have_format)
snprintf(period, sizeof(period), "%lu", state->period_frames);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.period-size", period);
else if (state->default_period_size)
snprintf(period, sizeof(period), "%u", state->default_period_size);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.period-size", period[0] ? period : NULL);
if (state->have_format)
snprintf(nperiods, sizeof(nperiods), "%lu",
state->period_frames != 0 ? state->buffer_frames / state->period_frames : 0);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.period-num", nperiods);
else if (state->default_period_num)
snprintf(nperiods, sizeof(nperiods), "%u", state->default_period_size);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.period-num", nperiods[0] ? nperiods : NULL);
if (state->have_format)
snprintf(headroom, sizeof(headroom), "%u", state->headroom);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.headroom", headroom);
} else {
items[n_items++] = SPA_DICT_ITEM_INIT(SPA_KEY_NODE_MAX_LATENCY, NULL);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.period-size", NULL);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.period-num", NULL);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.headroom", NULL);
}
else if (state->default_headroom)
snprintf(headroom, sizeof(headroom), "%u", state->default_headroom);
items[n_items++] = SPA_DICT_ITEM_INIT("api.alsa.headroom", headroom[0] ? headroom : NULL);
state->info.props = &SPA_DICT_INIT(items, n_items);
if (state->info.change_mask & SPA_NODE_CHANGE_MASK_PARAMS) {