[FFmpeg-devel] [PATCH] avfilter: add adelay filter

Timothy Gu timothygu99 at gmail.com
Sat Sep 14 18:39:18 CEST 2013


On Sep 13, 2013 10:43 AM, "Paul B Mahol" <onemda at gmail.com> wrote:
>
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  doc/filters.texi         |  15 +++
>  libavfilter/Makefile     |   1 +
>  libavfilter/af_adelay.c  | 296
+++++++++++++++++++++++++++++++++++++++++++++++
>  libavfilter/allfilters.c |   1 +
>  4 files changed, 313 insertions(+)
>  create mode 100644 libavfilter/af_adelay.c
>
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 7f8d1b2..d4cec8a 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -347,6 +347,21 @@ aconvert=u8:auto
>  @end example
>  @end itemize
>
> + at section adelay
> +
> +Delay one or more audio channels.
> +
> +The filter accepts the following option:
> +
> + at table @option
> + at item delays
> +Set list of delays in milliseconds for each channel.

What's the delimiter?

> +At least one delay greater than 0 should be provided.
> +Unused delays will be silently ignored. If number
> +of given delays is smaller than numer of channels all
> +remaining channels will be un-delayed.
> + at end table
> +
>  @section aecho
>
>  Apply echoing to the input audio.

[...]

Timothy


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