On 11/4/15, Kyle Swanson <[email protected]> wrote:
> Hi,
>
> On Wed, Nov 4, 2015 at 12:30 PM, Nicolas George <[email protected]> wrote:
>> Thanks for the updated patch, see comments below.
>>
>> Le quartidi 14 brumaire, an CCXXIV, Kyle Swanson a ecrit :
>>> Signed-off-by: Kyle Swanson <[email protected]>
>>> ---
>>> Changelog | 1 +
>>> doc/filters.texi | 36 +++++++
>>> libavfilter/Makefile | 1 +
>>> libavfilter/allfilters.c | 1 +
>>> libavfilter/asrc_anoisesrc.c | 222
>>> +++++++++++++++++++++++++++++++++++++++++++
>>> libavfilter/version.h | 4 +-
>>> 6 files changed, 263 insertions(+), 2 deletions(-)
>>> create mode 100644 libavfilter/asrc_anoisesrc.c
[...]
>>>
>>> +AVFILTER_DEFINE_CLASS(anoisesrc);
>>> +
>>> +static av_cold int query_formats(AVFilterContext *ctx)
>>> +{
>>> + ANoiseSrcContext *s = ctx->priv;
>>> + static const int64_t chlayouts[] = { AV_CH_LAYOUT_MONO, -1 };
>>> + int sample_rates[] = { s->sample_rate, -1 };
>>
>>> + static const enum AVSampleFormat sample_fmts[] = {
>>> + AV_SAMPLE_FMT_DBL,
>>> + AV_SAMPLE_FMT_NONE
>>> + };
>>
>> I already commented on that: please avoid floating-point computations
>> unless
>> they are absolutely necessary.
>>
>
> I can change this, but most filters I've seen have used floating point
> sample formats. Anyone else have any opinions on this?
>
Using double precision for audio noise source sounds like overkill.
So using S16 is fine. Anyway you could add support for both if you really
want.
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