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alsa: avoid allocation

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This commit is contained in:
Wim Taymans 2022-05-16 09:36:14 +02:00
parent cd389240fa
commit b1578ee109
1 changed files with 2 additions and 3 deletions
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5
pipewire-alsa/alsa-plugins/pcm_pipewire.c
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@ -731,18 +731,17 @@ static int snd_pcm_pipewire_sw_params(snd_pcm_ioplug_t * io,
snd_pcm_sw_params_get_avail_min( sw_params, &min_avail); snd_pcm_sw_params_get_avail_min( sw_params, &min_avail);
snd_pcm_sw_params_get_boundary(sw_params, &pw->boundary); snd_pcm_sw_params_get_boundary(sw_params, &pw->boundary);
if (min_avail != pw->min_avail) { if (min_avail != pw->min_avail) {
char *latency; char latency[64];
struct spa_dict_item item[1]; struct spa_dict_item item[1];
uint32_t min_period = (MIN_PERIOD * io->rate / 48000); uint32_t min_period = (MIN_PERIOD * io->rate / 48000);
pw->min_avail = SPA_MAX(min_avail, min_period); pw->min_avail = SPA_MAX(min_avail, min_period);
latency = spa_aprintf("%lu/%u", pw->min_avail, io->rate); spa_scnprintf(latency, sizeof(latency), "%lu/%u", pw->min_avail, io->rate);
item[0] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency); item[0] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency);
pw_log_debug("%p: sw_params update props %p %ld", pw, pw->stream, pw->min_avail); pw_log_debug("%p: sw_params update props %p %ld", pw, pw->stream, pw->min_avail);
pw_stream_update_properties(pw->stream, &SPA_DICT_INIT(item, 1)); pw_stream_update_properties(pw->stream, &SPA_DICT_INIT(item, 1));
free(latency);
} }
} else { } else {
pw_log_debug("%p: sw_params pre-prepare noop", pw); pw_log_debug("%p: sw_params pre-prepare noop", pw);