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spa: improve info parsing

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Make info parsing a bit easier to read by assigning the key and
value to temporary variables.
Improve the parsing of channelmap using json parser to make it
support more cases.
Add a unit test for channelmap parsing options.
This commit is contained in:
Wim Taymans 2021-03-18 18:40:56 +01:00
parent 972cf8d657
commit 8e590df92f
6 changed files with 138 additions and 82 deletions
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42
spa/plugins/alsa/alsa-pcm-source.c
View file

@ -805,33 +805,27 @@ impl_init(const struct spa_handle_factory *factory,
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 (!strcmp(info->items[i].key, SPA_KEY_API_ALSA_PATH)) {
snprintf(this->props.device, 63, "%s", info->items[i].value);
} else if (!strcmp(info->items[i].key, SPA_KEY_AUDIO_CHANNELS)) {
this->default_channels = atoi(info->items[i].value);
} else if (!strcmp(info->items[i].key, SPA_KEY_AUDIO_RATE)) {
this->default_rate = atoi(info->items[i].value);
} else if (!strcmp(info->items[i].key, SPA_KEY_AUDIO_FORMAT)) {
this->default_format = spa_alsa_format_from_name(info->items[i].value, 128);
} else if (!strcmp(info->items[i].key, SPA_KEY_AUDIO_POSITION)) {
size_t len;
while (*s && this->default_pos.channels < SPA_AUDIO_MAX_CHANNELS) {
if ((len = strcspn(s, ",")) == 0)
break;
this->default_pos.pos[this->default_pos.channels++] =
spa_alsa_channel_from_name(s, len);
s += len + strspn(s+len, ",");
}
} else if (!strcmp(info->items[i].key, "api.alsa.period-size")) {
this->default_period_size = atoi(info->items[i].value);
} else if (!strcmp(info->items[i].key, "api.alsa.headroom")) {
this->default_headroom = atoi(info->items[i].value);
} else if (!strcmp(info->items[i].key, "api.alsa.disable-mmap")) {
if (!strcmp(k, SPA_KEY_API_ALSA_PATH)) {
snprintf(this->props.device, 63, "%s", s);
} else if (!strcmp(k, SPA_KEY_AUDIO_CHANNELS)) {
this->default_channels = atoi(s);
} else if (!strcmp(k, SPA_KEY_AUDIO_RATE)) {
this->default_rate = atoi(s);
} else if (!strcmp(k, SPA_KEY_AUDIO_FORMAT)) {
this->default_format = spa_alsa_format_from_name(s, strlen(s));
} else if (!strcmp(k, SPA_KEY_AUDIO_POSITION)) {
spa_alsa_parse_position(&this->default_pos, s, strlen(s));
} else if (!strcmp(k, "api.alsa.period-size")) {
this->default_period_size = atoi(s);
} else if (!strcmp(k, "api.alsa.headroom")) {
this->default_headroom = atoi(s);
} else if (!strcmp(k, "api.alsa.disable-mmap")) {
this->disable_mmap = (strcmp(s, "true") == 0 || atoi(s) == 1);
} else if (!strcmp(info->items[i].key, "api.alsa.disable-batch")) {
} else if (!strcmp(k, "api.alsa.disable-batch")) {
this->disable_batch = (strcmp(s, "true") == 0 || atoi(s) == 1);
} else if (!strcmp(info->items[i].key, "api.alsa.use-chmap")) {
} else if (!strcmp(k, "api.alsa.use-chmap")) {
this->props.use_chmap = (strcmp(s, "true") == 0 || atoi(s) == 1);
}
}