[FFmpeg-devel] [PATCH 3/3] lavf/f_select: make the more pixel format usable to avoid autoscale to rgb

[Marton Balint]

On Tue, 16 Jul 2019, lance.lmwang at gmail.com wrote:

> From: Limin Wang <lance.lmwang at gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> ---
> libavfilter/f_select.c                     |  6 ++++++
> tests/ref/fate/filter-metadata-scenedetect | 16 ++++++++--------
> 2 files changed, 14 insertions(+), 8 deletions(-)
>
> diff --git a/libavfilter/f_select.c b/libavfilter/f_select.c
> index eed8df3..35aed3f 100644
> --- a/libavfilter/f_select.c
> +++ b/libavfilter/f_select.c
> @@ -499,6 +499,12 @@ static int query_formats(AVFilterContext *ctx)
>         int ret;
>         static const enum AVPixelFormat pix_fmts[] = {
>             AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
> +            AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, AV_PIX_FMT_RGBA,
> +            AV_PIX_FMT_ABGR, AV_PIX_FMT_BGRA, AV_PIX_FMT_GRAY8,
> +            AV_PIX_FMT_GRAY16, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P10,
> +            AV_PIX_FMT_YUYV422, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P10,
> +            AV_PIX_FMT_NV12, AV_PIX_FMT_NV21, AV_PIX_FMT_P010,
> +            AV_PIX_FMT_P016, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,

AV_PIX_FMT_P010 is tricky, because in this format data is in the high 
bits. So scores should be normalized as if it would be 16 bit.

Regards,
Marton

>             AV_PIX_FMT_NONE
>         };
>         AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
> diff --git a/tests/ref/fate/filter-metadata-scenedetect b/tests/ref/fate/filter-metadata-scenedetect
> index 67c23b3..7ce2d67 100644
> --- a/tests/ref/fate/filter-metadata-scenedetect
> +++ b/tests/ref/fate/filter-metadata-scenedetect
> @@ -1,11 +1,11 @@
> pkt_pts=1620|tag:lavfi.scene_score=1.000000
> -pkt_pts=4140|tag:lavfi.scene_score=0.875036
> -pkt_pts=5800|tag:lavfi.scene_score=1.000000
> -pkt_pts=6720|tag:lavfi.scene_score=0.461625
> -pkt_pts=8160|tag:lavfi.scene_score=1.000000
> -pkt_pts=9760|tag:lavfi.scene_score=1.000000
> -pkt_pts=14080|tag:lavfi.scene_score=0.838916
> +pkt_pts=4140|tag:lavfi.scene_score=0.668643
> +pkt_pts=5800|tag:lavfi.scene_score=0.996721
> +pkt_pts=6720|tag:lavfi.scene_score=0.357390
> +pkt_pts=8160|tag:lavfi.scene_score=0.886268
> +pkt_pts=9760|tag:lavfi.scene_score=0.926219
> +pkt_pts=14080|tag:lavfi.scene_score=0.650033
> pkt_pts=15700|tag:lavfi.scene_score=1.000000
> -pkt_pts=18500|tag:lavfi.scene_score=0.474948
> -pkt_pts=20040|tag:lavfi.scene_score=0.379700
> +pkt_pts=18500|tag:lavfi.scene_score=0.316402
> +pkt_pts=20040|tag:lavfi.scene_score=0.269509
> pkt_pts=21760|tag:lavfi.scene_score=1.000000
> -- 
> 2.6.4
>
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