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vf_yadif: switch to an AVOptions-based system.

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This commit is contained in:
Anton Khirnov 2013-02-25 21:21:29 +01:00
parent b83e9efc53
commit 7536c67104
3 changed files with 35 additions and 26 deletions
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20
doc/filters.texi
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@ -2214,10 +2214,12 @@ Flip the input video vertically.
Deinterlace the input video ("yadif" means "yet another deinterlacing
filter").
It accepts the optional parameters: @var{mode}:@var{parity}:@var{auto}.
This filter accepts the following options:
@var{mode} specifies the interlacing mode to adopt, accepts one of the
following values:
@table @option
@item mode
The interlacing mode to adopt, accepts one of the following values:
@table @option
@item 0
@ -2232,8 +2234,9 @@ like 1 but skips spatial interlacing check
Default value is 0.
@var{parity} specifies the picture field parity assumed for the input
interlaced video, accepts one of the following values:
@item parity
The picture field parity assumed for the input interlaced video, accepts one of
the following values:
@table @option
@item 0
@ -2248,8 +2251,9 @@ Default value is -1.
If interlacing is unknown or decoder does not export this information,
top field first will be assumed.
@var{auto} specifies if deinterlacer should trust the interlaced flag
and only deinterlace frames marked as interlaced
@item auto
Whether deinterlacer should trust the interlaced flag and only deinterlace
frames marked as interlaced
@table @option
@item 0
@ -2260,6 +2264,8 @@ only deinterlace frames marked as interlaced
Default value is 0.
@end table
@c man end VIDEO FILTERS
@chapter Video Sources

40
libavfilter/vf_yadif.c
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@ -21,6 +21,7 @@
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
@ -429,24 +430,6 @@ static int query_formats(AVFilterContext *ctx)
return 0;
}
static av_cold int init(AVFilterContext *ctx, const char *args)
{
YADIFContext *yadif = ctx->priv;
yadif->mode = 0;
yadif->parity = -1;
yadif->auto_enable = 0;
if (args)
sscanf(args, "%d:%d:%d",
&yadif->mode, &yadif->parity, &yadif->auto_enable);
av_log(ctx, AV_LOG_VERBOSE, "mode:%d parity:%d auto_enable:%d\n",
yadif->mode, yadif->parity, yadif->auto_enable);
return 0;
}
static int config_props(AVFilterLink *link)
{
YADIFContext *s = link->src->priv;
@ -471,6 +454,25 @@ static int config_props(AVFilterLink *link)
return 0;
}
#define OFFSET(x) offsetof(YADIFContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
static const AVOption options[] = {
{ "mode", NULL, OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 3, FLAGS },
{ "parity", NULL, OFFSET(parity), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, FLAGS, "parity" },
{ "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, .unit = "parity" },
{ "tff", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .unit = "parity" },
{ "bff", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .unit = "parity" },
{ "auto", NULL, OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
{ NULL },
};
static const AVClass yadif_class = {
.class_name = "yadif",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
static const AVFilterPad avfilter_vf_yadif_inputs[] = {
{
.name = "default",
@ -497,7 +499,7 @@ AVFilter avfilter_vf_yadif = {
.description = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),
.priv_size = sizeof(YADIFContext),
.init = init,
.priv_class = &yadif_class,
.uninit = uninit,
.query_formats = query_formats,

1
libavfilter/yadif.h
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@ -23,6 +23,7 @@
#include "avfilter.h"
typedef struct YADIFContext {
const AVClass *class;
/**
* 0: send 1 frame for each frame
* 1: send 1 frame for each field