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-rw-r--r--doc/ffmpeg-resampler.texi8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/ffmpeg-resampler.texi b/doc/ffmpeg-resampler.texi
index 92588131b3..b348373c92 100644
--- a/doc/ffmpeg-resampler.texi
+++ b/doc/ffmpeg-resampler.texi
@@ -145,6 +145,14 @@ value of 28 gives SoX's 'Very High Quality'.
For soxr only, selects passband rolloff none (Chebyshev) & higher-precision
approximation for 'irrational' ratios. Default value is 0.
+@item async
+For swr only, simple 1 parameter audio sync to timestamps using stretching,
+squeezing, filling and trimming. Setting this to 1 will enable filling and
+trimming, larger values represent the maximum amount in samples that the data
+may be stretched or squeezed for each second.
+Default value is 0, thus no compensation is applied to make the samples match
+the audio timestamps.
+
@item min_comp
For swr only, set the minimum difference between timestamps and audio data (in
seconds) to trigger stretching/squeezing/filling or trimming of the