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authorAnton Khirnov <anton@khirnov.net>2013-02-25 21:21:29 +0100
committerAnton Khirnov <anton@khirnov.net>2013-04-09 19:07:28 +0200
commit33b97faaba2744f0a2fd65c0ef9ecc2de3fad7ff (patch)
treeb809727d96642ad7b9c798018a2b3991bd6a9b4a /libavfilter
parent95f1f56a21bc2f824af6fb97ca7ab35cdd0c401e (diff)
vf_setpts: switch to an AVOptions-based system.
Diffstat (limited to 'libavfilter')
-rw-r--r--libavfilter/vf_setpts.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/libavfilter/vf_setpts.c b/libavfilter/vf_setpts.c
index 02fb4bd0c5..98947a6816 100644
--- a/libavfilter/vf_setpts.c
+++ b/libavfilter/vf_setpts.c
@@ -29,6 +29,7 @@
#include "libavutil/eval.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "avfilter.h"
#include "internal.h"
@@ -67,6 +68,8 @@ enum var_name {
};
typedef struct {
+ const AVClass *class;
+ char *expr_str;
AVExpr *expr;
double var_values[VAR_VARS_NB];
} SetPTSContext;
@@ -76,9 +79,9 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
SetPTSContext *setpts = ctx->priv;
int ret;
- if ((ret = av_expr_parse(&setpts->expr, args ? args : "PTS",
+ if ((ret = av_expr_parse(&setpts->expr, setpts->expr_str,
var_names, NULL, NULL, NULL, NULL, 0, ctx)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error while parsing expression '%s'\n", args);
+ av_log(ctx, AV_LOG_ERROR, "Error while parsing expression '%s'\n", setpts->expr_str);
return ret;
}
@@ -145,6 +148,20 @@ static av_cold void uninit(AVFilterContext *ctx)
setpts->expr = NULL;
}
+#define OFFSET(x) offsetof(SetPTSContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
+static const AVOption options[] = {
+ { "expr", "Expression determining the frame timestamp", OFFSET(expr_str), AV_OPT_TYPE_STRING, { .str = "PTS" }, .flags = FLAGS },
+ { NULL },
+};
+
+static const AVClass setpts_class = {
+ .class_name = "setpts",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
static const AVFilterPad avfilter_vf_setpts_inputs[] = {
{
.name = "default",
@@ -171,6 +188,7 @@ AVFilter avfilter_vf_setpts = {
.uninit = uninit,
.priv_size = sizeof(SetPTSContext),
+ .priv_class = &setpts_class,
.inputs = avfilter_vf_setpts_inputs,
.outputs = avfilter_vf_setpts_outputs,