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ALSA: Fix a playback data throughput error.

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This has the data callback handling and the ALSA writing operation in
the wrong order.

I have no idea how I missed this...
This commit is contained in:
David Reid
2026-01-14 15:00:54 +10:00
parent 86a17a30e8
commit 7c3f845658
1 changed files with 5 additions and 2 deletions
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miniaudio.h
+5 -2
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@@ -29845,10 +29845,13 @@ static ma_result ma_device_step__alsa(ma_device* pDevice, ma_blocking_mode block
} }
if ((revents & POLLOUT) != 0) { if ((revents & POLLOUT) != 0) {
/* Read data from the client first. */
ma_device_handle_backend_data_callback(pDevice, pDeviceStateALSA->pIntermediaryBuffer, NULL, pDevice->playback.internalPeriodSizeInFrames);
/* Now send the data to ALSA for playback. */
resultALSA = pContextStateALSA->snd_pcm_writei(pDeviceStateALSA->pPCMPlayback, pDeviceStateALSA->pIntermediaryBuffer, pDevice->playback.internalPeriodSizeInFrames); resultALSA = pContextStateALSA->snd_pcm_writei(pDeviceStateALSA->pPCMPlayback, pDeviceStateALSA->pIntermediaryBuffer, pDevice->playback.internalPeriodSizeInFrames);
if (resultALSA >= 0) { if (resultALSA >= 0) {
/* Success. Process the data. */ /* Success. */
ma_device_handle_backend_data_callback(pDevice, pDeviceStateALSA->pIntermediaryBuffer, NULL, (ma_uint32)resultALSA);
} else { } else {
/* Failed. No data processing will be done this iteration. What we do here depends on the type of error. */ /* Failed. No data processing will be done this iteration. What we do here depends on the type of error. */
if (resultALSA == -EAGAIN) { if (resultALSA == -EAGAIN) {