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alsa: dsd rates are expressed in byte rate

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DSD64 would be a rate of 44100 * 64 / 8. When packed in U32_BE, we would
negotiate 44100 * 8 / 4 (88200) with the device, this means all rates
from 88200 and up are allowed for DSD64 in U32_BE.
This commit is contained in:
Wim Taymans 2022-09-07 19:54:09 +02:00
parent c9ee142b78
commit 23522651f9
1 changed files with 6 additions and 6 deletions
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12
spa/plugins/alsa/alsa-pcm.c
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@ -828,16 +828,16 @@ static int add_rate(struct state *state, uint32_t scale, bool all, uint32_t inde
uint32_t i, v, last = 0, count = 0;
if (uint32_array_contains(state->allowed_rates, state->n_allowed_rates, rate)) {
spa_pod_builder_int(b, rate * scale);
spa_pod_builder_int(b, rate * 8);
count++;
}
for (i = 0; i < state->n_allowed_rates; i++) {
v = SPA_CLAMP(state->allowed_rates[i], min, max);
if (v != last &&
uint32_array_contains(state->allowed_rates, state->n_allowed_rates, v)) {
spa_pod_builder_int(b, v * scale);
spa_pod_builder_int(b, v * 8);
if (count == 0)
spa_pod_builder_int(b, v * scale);
spa_pod_builder_int(b, v * 8);
count++;
}
last = v;
@ -845,11 +845,11 @@ static int add_rate(struct state *state, uint32_t scale, bool all, uint32_t inde
if (count > 1)
choice->body.type = SPA_CHOICE_Enum;
} else {
spa_pod_builder_int(b, rate * scale);
spa_pod_builder_int(b, rate * 8);
if (min != max) {
spa_pod_builder_int(b, min * scale);
spa_pod_builder_int(b, max * scale);
spa_pod_builder_int(b, min * 8);
spa_pod_builder_int(b, max * 8);
choice->body.type = SPA_CHOICE_Range;
}
}