generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

vf_fieldorder: switch to an AVOptions-based system.

Browse Source
This commit is contained in:
Anton Khirnov
2013-02-25 21:21:29 +01:00
parent b9dfee9fa2
commit a39c154049
2 changed files with 26 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
libavfilter/vf_fieldorder.c
View File

@@ -30,6 +30,7 @@
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
@@ -38,36 +39,11 @@
typedef struct
{
unsigned int dst_tff; ///< output bff/tff
const AVClass *class;
int dst_tff; ///< output bff/tff
int line_size[4]; ///< bytes of pixel data per line for each plane
} FieldOrderContext;
static av_cold int init(AVFilterContext *ctx, const char *args)
{
FieldOrderContext *fieldorder = ctx->priv;
const char *tff = "tff";
const char *bff = "bff";
if (!args) {
fieldorder->dst_tff = 1;
} else if (sscanf(args, "%u", &fieldorder->dst_tff) == 1) {
fieldorder->dst_tff = !!fieldorder->dst_tff;
} else if (!strcmp(tff, args)) {
fieldorder->dst_tff = 1;
} else if (!strcmp(bff, args)) {
fieldorder->dst_tff = 0;
} else {
av_log(ctx, AV_LOG_ERROR, "Invalid argument '%s'.\n", args);
return AVERROR(EINVAL);
}
av_log(ctx, AV_LOG_VERBOSE, "output field order: %s\n",
fieldorder->dst_tff ? tff : bff);
return 0;
}
static int query_formats(AVFilterContext *ctx)
{
AVFilterFormats *formats;
@@ -177,6 +153,22 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
return ff_filter_frame(outlink, frame);
}
#define OFFSET(x) offsetof(FieldOrderContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
static const AVOption options[] = {
{ "order", "output field order", OFFSET(dst_tff), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "order" },
{ "bff", "bottom field first", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .unit = "order" },
{ "tff", "top field first", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .unit = "order" },
{ NULL },
};
static const AVClass fieldorder_class = {
.class_name = "fieldorder",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
static const AVFilterPad avfilter_vf_fieldorder_inputs[] = {
{
.name = "default",
@@ -200,8 +192,8 @@ static const AVFilterPad avfilter_vf_fieldorder_outputs[] = {
AVFilter avfilter_vf_fieldorder = {
.name = "fieldorder",
.description = NULL_IF_CONFIG_SMALL("Set the field order."),
.init = init,
.priv_size = sizeof(FieldOrderContext),
.priv_class = &fieldorder_class,
.query_formats = query_formats,
.inputs = avfilter_vf_fieldorder_inputs,
.outputs = avfilter_vf_fieldorder_outputs,