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39f515cb6a
The player tries to avoid splitting frames with spdif (sample alignment
stuff). This can in certain corner cases with certain drivers lead to
the situation that ao_get_space() returns a number higher than 0 and
lower than the audio frame size. The playloop will round this down to 0
bytes and do nothing, leading to a missed wakeup. This can lead to
underruns or playback completely getting stuck.
It can be reproduced by playing AC3 passthrough with no video and:
--ao=null --ao-null-buffer=0.256 --ao-null-outburst=6100
This commit attempts to fix it by allowing the playloop to write some
additional data (to get a complete frame), that will be buffered within
the AO ringbuffer even if the audio device doesn't want it.
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|---|---|---|
| .. | ||
| decode | ||
| filter | ||
| out | ||
| audio_buffer.c | ||
| audio_buffer.h | ||
| audio.c | ||
| audio.h | ||
| chmap_sel.c | ||
| chmap_sel.h | ||
| chmap.c | ||
| chmap.h | ||
| fmt-conversion.c | ||
| fmt-conversion.h | ||
| format.c | ||
| format.h | ||