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-rw-r--r--src/output/AlsaOutputPlugin.cxx9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/output/AlsaOutputPlugin.cxx b/src/output/AlsaOutputPlugin.cxx
index 76eea5bd6..f8aae13a1 100644
--- a/src/output/AlsaOutputPlugin.cxx
+++ b/src/output/AlsaOutputPlugin.cxx
@@ -815,7 +815,16 @@ alsa_play(struct audio_output *ao, const void *chunk, size_t size,
}
}
+ const size_t original_size = size;
chunk = ad->pcm_export->Export(chunk, size, size);
+ if (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 original_size;
assert(size % ad->out_frame_size == 0);