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alsa: refactor property parsing

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Move the common property parsing to the init function.
This commit is contained in:
Wim Taymans 2021-11-23 12:27:36 +01:00
parent 25bfc9c63d
commit 8995129e6c
4 changed files with 47 additions and 80 deletions
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45
spa/plugins/alsa/alsa-pcm.c
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@ -11,6 +11,7 @@
#include <spa/pod/filter.h>
#include <spa/utils/string.h>
#include <spa/support/system.h>
#include <spa/utils/keys.h>
#include "alsa-pcm.h"
@ -88,10 +89,52 @@ static void release_card(uint32_t index)
free(c);
}
int spa_alsa_init(struct state *state)
int spa_alsa_init(struct state *state, const struct spa_dict *info)
{
uint32_t i;
snd_config_update_free_global();
for (i = 0; info && i < info->n_items; i++) {
const char *k = info->items[i].key;
const char *s = info->items[i].value;
if (spa_streq(k, SPA_KEY_API_ALSA_PATH)) {
snprintf(state->props.device, 63, "%s", s);
} else if (spa_streq(k, SPA_KEY_API_ALSA_PCM_CARD)) {
state->card_index = atoi(s);
} else if (spa_streq(k, SPA_KEY_API_ALSA_OPEN_UCM)) {
state->open_ucm = spa_atob(s);
} else if (spa_streq(k, SPA_KEY_AUDIO_CHANNELS)) {
state->default_channels = atoi(s);
} else if (spa_streq(k, SPA_KEY_AUDIO_RATE)) {
state->default_rate = atoi(s);
} else if (spa_streq(k, SPA_KEY_AUDIO_FORMAT)) {
state->default_format = spa_alsa_format_from_name(s, strlen(s));
} else if (spa_streq(k, SPA_KEY_AUDIO_POSITION)) {
spa_alsa_parse_position(&state->default_pos, s, strlen(s));
} else if (spa_streq(k, "latency.internal.rate")) {
state->process_latency.rate = atoi(s);
} else if (spa_streq(k, "latency.internal.ns")) {
state->process_latency.ns = atoi(s);
} else if (spa_streq(k, "iec958.codecs")) {
spa_alsa_parse_iec958_codecs(&state->iec958_codecs, s, strlen(s));
} else if (spa_streq(k, "api.alsa.period-size")) {
state->default_period_size = atoi(s);
} else if (spa_streq(k, "api.alsa.headroom")) {
state->default_headroom = atoi(s);
} else if (spa_streq(k, "api.alsa.start-delay")) {
state->default_start_delay = atoi(s);
} else if (spa_streq(k, "api.alsa.disable-mmap")) {
state->disable_mmap = spa_atob(s);
} else if (spa_streq(k, "api.alsa.disable-batch")) {
state->disable_batch = spa_atob(s);
} else if (spa_streq(k, "api.alsa.use-chmap")) {
state->props.use_chmap = spa_atob(s);
} else if (spa_streq(k, "api.alsa.multi-rate")) {
state->multi_rate = spa_atob(s);
}
}
if (state->stream == SND_PCM_STREAM_PLAYBACK) {
state->is_iec958 = spa_strstartswith(state->props.device, "iec958");
state->is_hdmi = spa_strstartswith(state->props.device, "hdmi");