diff options
| -rw-r--r-- | alc/backends/pipewire.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/alc/backends/pipewire.cpp b/alc/backends/pipewire.cpp index c8e957b9..057ab34b 100644 --- a/alc/backends/pipewire.cpp +++ b/alc/backends/pipewire.cpp @@ -1617,6 +1617,7 @@ void PipeWirePlayback::start() break; } +#if PW_CHECK_VERSION(0,3,50) /* The time info will be valid when there's a valid rate. Assume * ptime.avail_buffers+ptime.queued_buffers is the target buffer queue * size. @@ -1637,6 +1638,24 @@ void PipeWirePlayback::start() totalbuffers*updatesize); break; } +#else + /* Prior to 0.3.50, we can only measure the delay with the update size, + * assuming one buffer and no resample buffering. + */ + if(ptime.rate.denom > 0) + { + uint updatesize{mRateMatch ? mRateMatch->size : 0u}; + if(!updatesize) updatesize = mDevice->UpdateSize; + + /* Ensure the delay is in sample frames. */ + const uint64_t delay{static_cast<uint64_t>(ptime.delay) * mDevice->Frequency * + ptime.rate.num / ptime.rate.denom}; + + mDevice->UpdateSize = updatesize; + mDevice->BufferSize = static_cast<uint>(delay + updatesize); + break; + } +#endif if(!--wait_count) break; |