[FFmpeg-devel] [PATCH] avfilter/vf_freezedetect: add filter to detect frozen input

[Paul B Mahol]

On 11/17/18, Marton Balint <cus at passwd.hu> wrote:
>
> On Sun, 11 Nov 2018, Paul B Mahol wrote:
>
>> On 11/11/18, Marton Balint <cus at passwd.hu> wrote:
>>> Signed-off-by: Marton Balint <cus at passwd.hu>
>>> ---
>>>  Changelog                     |   1 +
>>>  configure                     |   1 +
>>>  doc/filters.texi              |  29 +++++
>>>  libavfilter/Makefile          |   1 +
>>>  libavfilter/allfilters.c      |   1 +
>>>  libavfilter/version.h         |   2 +-
>>>  libavfilter/vf_freezedetect.c | 282
>>> ++++++++++++++++++++++++++++++++++++++++++
>>>  7 files changed, 316 insertions(+), 1 deletion(-)
>>>  create mode 100644 libavfilter/vf_freezedetect.c
>>>
>>> diff --git a/Changelog b/Changelog
>>> index e38a607025..0eba82b477 100644
>>> --- a/Changelog
>>> +++ b/Changelog
>>> @@ -4,6 +4,7 @@ releases are sorted from youngest to oldest.
>>>  version <next>:
>>>  - tpad filter
>>>  - AV1 decoding support through libdav1d
>>> +- freezedetect filter
>>>
>
> [...]
>
>>> +AVFILTER_DEFINE_CLASS(freezedetect);
>>> +
>>> +static int query_formats(AVFilterContext *ctx)
>>> +{
>>> +    static const enum AVPixelFormat pix_fmts[] = {
>>> +        AV_PIX_FMT_YUV420P,
>>> +        AV_PIX_FMT_YUYV422,
>>> +        AV_PIX_FMT_RGB24,
>>> +        AV_PIX_FMT_BGR24,
>>> +        AV_PIX_FMT_YUV422P,
>>> +        AV_PIX_FMT_YUV444P,
>>> +        AV_PIX_FMT_YUV410P,
>>> +        AV_PIX_FMT_YUV411P,
>>> +        AV_PIX_FMT_GRAY8,
>>> +        AV_PIX_FMT_YUVJ420P,
>>> +        AV_PIX_FMT_YUVJ422P,
>>> +        AV_PIX_FMT_YUVJ444P,
>>> +        AV_PIX_FMT_UYVY422,
>>> +        AV_PIX_FMT_NV12,
>>> +        AV_PIX_FMT_NV21,
>>> +        AV_PIX_FMT_ARGB,
>>> +        AV_PIX_FMT_RGBA,
>>> +        AV_PIX_FMT_ABGR,
>>> +        AV_PIX_FMT_BGRA,
>>> +        AV_PIX_FMT_GRAY16,
>>> +        AV_PIX_FMT_YUV440P,
>>> +        AV_PIX_FMT_YUVJ440P,
>>> +        AV_PIX_FMT_YUVA420P,
>>> +        AV_PIX_FMT_YUV420P16,
>>> +        AV_PIX_FMT_YUV422P16,
>>> +        AV_PIX_FMT_YUV444P16,
>>> +        AV_PIX_FMT_YA8,
>>> +        AV_PIX_FMT_YUV420P9,
>>> +        AV_PIX_FMT_YUV420P10,
>>> +        AV_PIX_FMT_YUV422P10,
>>> +        AV_PIX_FMT_YUV444P9,
>>> +        AV_PIX_FMT_YUV444P10,
>>> +        AV_PIX_FMT_YUV422P9,
>>> +        AV_PIX_FMT_GBRP,
>>> +        AV_PIX_FMT_GBRP9,
>>> +        AV_PIX_FMT_GBRP10,
>>> +        AV_PIX_FMT_GBRP16,
>>> +        AV_PIX_FMT_YUVA422P,
>>> +        AV_PIX_FMT_YUVA444P,
>>> +        AV_PIX_FMT_YUVA420P9,
>>> +        AV_PIX_FMT_YUVA422P9,
>>> +        AV_PIX_FMT_YUVA444P9,
>>> +        AV_PIX_FMT_YUVA420P10,
>>> +        AV_PIX_FMT_YUVA422P10,
>>> +        AV_PIX_FMT_YUVA444P10,
>>> +        AV_PIX_FMT_YUVA420P16,
>>> +        AV_PIX_FMT_YUVA422P16,
>>> +        AV_PIX_FMT_YUVA444P16,
>>> +        AV_PIX_FMT_NV16,
>>> +        AV_PIX_FMT_YVYU422,
>>> +        AV_PIX_FMT_GBRAP,
>>> +        AV_PIX_FMT_GBRAP16,
>>> +        AV_PIX_FMT_YUV420P12,
>>> +        AV_PIX_FMT_YUV420P14,
>>> +        AV_PIX_FMT_YUV422P12,
>>> +        AV_PIX_FMT_YUV422P14,
>>> +        AV_PIX_FMT_YUV444P12,
>>> +        AV_PIX_FMT_YUV444P14,
>>> +        AV_PIX_FMT_GBRP12,
>>> +        AV_PIX_FMT_GBRP14,
>>> +        AV_PIX_FMT_YUVJ411P,
>>> +        AV_PIX_FMT_YUV440P10,
>>> +        AV_PIX_FMT_YUV440P12,
>>> +        AV_PIX_FMT_GBRAP12,
>>> +        AV_PIX_FMT_GBRAP10,
>>> +        AV_PIX_FMT_GRAY12,
>>> +        AV_PIX_FMT_GRAY10,
>>> +        AV_PIX_FMT_GRAY9,
>>> +        AV_PIX_FMT_GRAY14,
>>> +        AV_PIX_FMT_NONE
>>
>> Please make this list more compact, make use of several items per line.
>
> Ok. I will apply the patch soon.

You sure that packed and semi-planar formats like nv21 work with filter?