#5785: swr_drop_output misbehaviour
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Reporter: richardpl | Owner:
Type: defect | Status: new
Priority: normal | Component: swresample
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by michael):
If you want to bring the state back to the initial state calling
swr_close() and swr_init() should do that efficiently, this will not
reinitialize the resampler
you can drop output samples too but this will not return to exactly the
initial state in general.
swr_drop_output(swr_ctx,swr_get_out_samples(swr_ctx, 0));
would drop all the old data, but when new data comes in the buffers will
get filled before output comes out, so this will result in an apparent
loss of a few audio samples
you can also resample into a dummy buffer and throw that away which will
look correct but is possibly not what you actually want because old data
remains in the buffer and will be output
If theres some variant missing or can be improved, please say so
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Ticket URL: <https://trac.ffmpeg.org/ticket/5785#comment:5>
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