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bluez5: media-sink: fix reference time vs. resampling delay

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Determine correctly if we are resampling, and have the associated delay.

Add off-by-one sample adjustment to the resampling delay, which seems to
correctly align the resampled audio with non-resampled.
This commit is contained in:
Pauli Virtanen 2023-04-10 18:21:19 +03:00 • committed by Wim Taymans
parent bd04af6cc9
commit 5b55118e7f
1 changed files with 5 additions and 1 deletions
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6
spa/plugins/bluez5/media-sink.c
View file

@ -465,6 +465,7 @@ static uint64_t get_reference_time(struct impl *this, uint64_t *duration_ns_ret)
{
struct port *port = &this->port;
uint64_t t, duration_ns;
bool resampling;
if (!this->process_rate || !this->process_duration) {
if (this->position) {
@ -486,9 +487,12 @@ static uint64_t get_reference_time(struct impl *this, uint64_t *duration_ns_ret)
/ port->current_format.info.raw.rate);
/* Account for resampling delay */
if (port->rate_match && this->clock && SPA_FLAG_IS_SET(port->rate_match->flags, SPA_IO_RATE_MATCH_FLAG_ACTIVE))
resampling = (port->current_format.info.raw.rate != this->process_rate) || this->following;
if (port->rate_match && this->clock && resampling) {
t -= (uint64_t)port->rate_match->delay * SPA_NSEC_PER_SEC
/ this->clock->rate.denom;
t += SPA_NSEC_PER_SEC / port->current_format.info.raw.rate;
}
return t;
}