* value, and apply it to input video.
*/
+#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#define A 3
#define OFFSET(x) offsetof(LutContext, x)
-
-static const AVOption lut_options[] = {
- {"c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"y", "set Y expression", OFFSET(comp_expr_str[Y]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"u", "set U expression", OFFSET(comp_expr_str[U]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"v", "set V expression", OFFSET(comp_expr_str[V]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"r", "set R expression", OFFSET(comp_expr_str[R]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"g", "set G expression", OFFSET(comp_expr_str[G]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"b", "set B expression", OFFSET(comp_expr_str[B]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
- {"a", "set A expression", OFFSET(comp_expr_str[A]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX},
+#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
+
+static const AVOption options[] = {
+ {"c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"y", "set Y expression", OFFSET(comp_expr_str[Y]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"u", "set U expression", OFFSET(comp_expr_str[U]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"v", "set V expression", OFFSET(comp_expr_str[V]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"r", "set R expression", OFFSET(comp_expr_str[R]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"g", "set G expression", OFFSET(comp_expr_str[G]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"b", "set B expression", OFFSET(comp_expr_str[B]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"a", "set A expression", OFFSET(comp_expr_str[A]), AV_OPT_TYPE_STRING, {.str="val"}, CHAR_MIN, CHAR_MAX, FLAGS},
{NULL},
};
-AVFILTER_DEFINE_CLASS(lut);
-
-static int init(AVFilterContext *ctx, const char *args)
-{
- LutContext *lut = ctx->priv;
- int ret;
-
- lut->class = &lut_class;
- av_opt_set_defaults(lut);
-
- lut->is_rgb = !strcmp(ctx->filter->name, "lutrgb");
- lut->is_yuv = !strcmp(ctx->filter->name, "lutyuv");
- if (args && (ret = av_set_options_string(lut, args, "=", ":")) < 0)
- return ret;
-
- return 0;
-}
-
static av_cold void uninit(AVFilterContext *ctx)
{
LutContext *lut = ctx->priv;
.type = AVMEDIA_TYPE_VIDEO, },
{ .name = NULL}
};
-#define DEFINE_LUT_FILTER(name_, description_, init_) \
+#define DEFINE_LUT_FILTER(name_, description_) \
AVFilter avfilter_vf_##name_ = { \
.name = #name_, \
.description = NULL_IF_CONFIG_SMALL(description_), \
.priv_size = sizeof(LutContext), \
\
- .init = init_, \
+ .init = name_##_init, \
.uninit = uninit, \
.query_formats = query_formats, \
\
.inputs = inputs, \
.outputs = outputs, \
+ .priv_class = &name_##_class, \
}
#if CONFIG_LUT_FILTER
-DEFINE_LUT_FILTER(lut, "Compute and apply a lookup table to the RGB/YUV input video.", init);
+
+#define lut_options options
+AVFILTER_DEFINE_CLASS(lut);
+
+static int lut_init(AVFilterContext *ctx, const char *args)
+{
+ LutContext *lut = ctx->priv;
+ int ret;
+
+ lut->class = &lut_class;
+ av_opt_set_defaults(lut);
+
+ if (args && (ret = av_set_options_string(lut, args, "=", ":")) < 0)
+ return ret;
+
+ return 0;
+}
+
+DEFINE_LUT_FILTER(lut, "Compute and apply a lookup table to the RGB/YUV input video.");
#endif
+
#if CONFIG_LUTYUV_FILTER
-DEFINE_LUT_FILTER(lutyuv, "Compute and apply a lookup table to the YUV input video.", init);
+
+#define lutyuv_options options
+AVFILTER_DEFINE_CLASS(lutyuv);
+
+static int lutyuv_init(AVFilterContext *ctx, const char *args)
+{
+ LutContext *lut = ctx->priv;
+ int ret;
+
+ lut->class = &lutyuv_class;
+ lut->is_yuv = 1;
+ av_opt_set_defaults(lut);
+
+ if (args && (ret = av_set_options_string(lut, args, "=", ":")) < 0)
+ return ret;
+
+ return 0;
+}
+
+DEFINE_LUT_FILTER(lutyuv, "Compute and apply a lookup table to the YUV input video.");
#endif
+
#if CONFIG_LUTRGB_FILTER
-DEFINE_LUT_FILTER(lutrgb, "Compute and apply a lookup table to the RGB input video.", init);
+
+#define lutrgb_options options
+AVFILTER_DEFINE_CLASS(lutrgb);
+
+static int lutrgb_init(AVFilterContext *ctx, const char *args)
+{
+ LutContext *lut = ctx->priv;
+ int ret;
+
+ lut->class = &lutrgb_class;
+ lut->is_rgb = 1;
+ av_opt_set_defaults(lut);
+
+ if (args && (ret = av_set_options_string(lut, args, "=", ":")) < 0)
+ return ret;
+
+ return 0;
+}
+
+DEFINE_LUT_FILTER(lutrgb, "Compute and apply a lookup table to the RGB input video.");
#endif
#if CONFIG_NEGATE_FILTER
+#define negate_options options
+AVFILTER_DEFINE_CLASS(negate);
+
static int negate_init(AVFilterContext *ctx, const char *args)
{
LutContext *lut = ctx->priv;
snprintf(lut_params, sizeof(lut_params), "c0=negval:c1=negval:c2=negval:a=%s",
lut->negate_alpha ? "negval" : "val");
- return init(ctx, lut_params);
+ lut->class = &negate_class;
+ av_opt_set_defaults(lut);
+
+ return av_set_options_string(lut, lut_params, "=", ":");
}
-DEFINE_LUT_FILTER(negate, "Negate input video.", negate_init);
+DEFINE_LUT_FILTER(negate, "Negate input video.");
#endif
projects / ffmpeg / blobdiff