[FFmpeg-devel] [PATCH] af_aresample: add 'sample_rate_list' option

Paul B Mahol onemda at gmail.com
Sun Mar 5 21:03:35 EET 2017


On 3/5/17, Takayuki 'January June' Suwa <jjsuwa.sys3175 at gmail.com> wrote:
> From: Takayuki 'January June' Suwa <jjsuwa at users.noreply.github.com>
>
> This adds '|'-separated list of desired sample rates.
>
> examples:
>
>  -i 44.1k_from_cd_da_source -af
> "aresample=sample_rate_list=44100|48000|192000" ...
>  -i 48k_from_dat_source -af "aresample=sample_rate_list=44100|48000|192000"
> ...
>  -i 192k_hires_source -af "aresample=sample_rate_list=44100|48000|192000"
> ...
>
>     Each above will retain its source sample rate, and
>
>  -i 352.8k_from_dsd64_source -af
> "aresample=sample_rate_list=44100|48000|192000" ...
>  -i 96k_hires_source -af "aresample=sample_rate_list=44100|48000|192000" ...
>
>     will produce 192k and 48k resampled-to-nearest outputs.
> ---
>  libavfilter/af_aresample.c | 29 ++++++++++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
>

similar funcionality is already availabe via aformat filter.


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