[FFmpeg-devel] [PATCH] avfilter: port pullup filter from libmpcodecs
Stefano Sabatini
stefasab at gmail.com
Tue Sep 17 15:30:40 CEST 2013
On date Monday 2013-09-16 14:14:33 +0000, Paul B Mahol encoded:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
> LICENSE | 1 +
> configure | 1 +
> doc/filters.texi | 53 +++
> libavfilter/Makefile | 1 +
> libavfilter/allfilters.c | 1 +
> libavfilter/vf_pullup.c | 746 +++++++++++++++++++++++++++++++++++++++
> libavfilter/vf_pullup.h | 71 ++++
> libavfilter/x86/Makefile | 1 +
> libavfilter/x86/vf_pullup_init.c | 221 ++++++++++++
> 9 files changed, 1096 insertions(+)
> create mode 100644 libavfilter/vf_pullup.c
> create mode 100644 libavfilter/vf_pullup.h
> create mode 100644 libavfilter/x86/vf_pullup_init.c
[...]
> +#define OFFSET(x) offsetof(PullupContext, x)
> +#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
> +
> +static const AVOption pullup_options[] = {
> + { "jl", "junk left", OFFSET(junk_left), AV_OPT_TYPE_INT, {.i64=1}, 0, INT_MAX, FLAGS },
> + { "jr", "junk right", OFFSET(junk_right), AV_OPT_TYPE_INT, {.i64=1}, 0, INT_MAX, FLAGS },
> + { "jt", "junk top", OFFSET(junk_top), AV_OPT_TYPE_INT, {.i64=4}, 0, INT_MAX, FLAGS },
> + { "jd", "junk down", OFFSET(junk_down), AV_OPT_TYPE_INT, {.i64=4}, 0, INT_MAX, FLAGS },
set junk * size ?
> + { "sb", "strict breaks", OFFSET(strict_breaks), AV_OPT_TYPE_INT, {.i64=0},-1, 1, FLAGS },
set strict breaks
> + { "mp", "metric plane", OFFSET(metric_plane), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "mp" },
set metric plane
> + { "y", "luma", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mp" },
> + { "u", "chroma blue", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mp" },
> + { "v", "chroma red", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mp" },
> + { NULL }
> +};
> +
> +AVFILTER_DEFINE_CLASS(pullup);
> +
> +static int query_formats(AVFilterContext *ctx)
> +{
> + static const enum AVPixelFormat pix_fmts[] = {
> + AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
> + AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
> + AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
> + AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
> + AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
> + AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_GRAY8,
> + AV_PIX_FMT_NONE
> + };
> + ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
> + return 0;
> +}
> +
> +#define ABS(a) (((a) ^ ((a) >> 31)) - ((a) >> 31))
Note: is this different/faster than FFABS?
[...]
No objections from me if it is bit-identical with the ported filter
(and I'm not going to give an indepth review).
--
FFmpeg = Fascinating and Fancy Mastering Political Entertaining Gigant
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