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Diffstat (limited to '')
| -rw-r--r-- | src/output/plugins/AlsaOutputPlugin.cxx | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/output/plugins/AlsaOutputPlugin.cxx b/src/output/plugins/AlsaOutputPlugin.cxx index a18cedc70..0ebf3ddbe 100644 --- a/src/output/plugins/AlsaOutputPlugin.cxx +++ b/src/output/plugins/AlsaOutputPlugin.cxx @@ -825,6 +825,7 @@ alsa_play(AudioOutput *ao, const void *chunk, size_t size, { AlsaOutput *ad = (AlsaOutput *)ao; + assert(size > 0); assert(size % ad->in_frame_size == 0); if (ad->must_prepare) { @@ -838,12 +839,22 @@ alsa_play(AudioOutput *ao, const void *chunk, size_t size, } const auto e = ad->pcm_export->Export({chunk, size}); + if (e.size == 0) + /* the DoP (DSD over PCM) filter converts two frames + at a time and ignores the last odd frame; if there + was only one frame (e.g. the last frame in the + file), the result is empty; to avoid an endless + loop, bail out here, and pretend the one frame has + been played */ + return size; + chunk = e.data; size = e.size; assert(size % ad->out_frame_size == 0); size /= ad->out_frame_size; + assert(size > 0); while (true) { snd_pcm_sframes_t ret = ad->writei(ad->pcm, chunk, size); |