avfilter/vf_drawbox: use ff_filter_process_command()

This commit is contained in:
Paul B Mahol 2019-10-08 22:04:02 +02:00
parent 4568e54cc5
commit 9e883a1448
1 changed files with 23 additions and 30 deletions

View File

@ -275,46 +275,39 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
{
AVFilterLink *inlink = ctx->inputs[0];
DrawBoxContext *s = ctx->priv;
int old_x = s->x;
int old_y = s->y;
int old_w = s->w;
int old_h = s->h;
int old_t = s->thickness;
int old_r = s->replace;
int ret;
if ( !strcmp(cmd, "w") || !strcmp(cmd, "width")
|| !strcmp(cmd, "h") || !strcmp(cmd, "height")
|| !strcmp(cmd, "x") || !strcmp(cmd, "y")
|| !strcmp(cmd, "t") || !strcmp(cmd, "thickness")
|| !strcmp(cmd, "c") || !strcmp(cmd, "color")
|| !strcmp(cmd, "replace")) {
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
if (ret < 0)
return ret;
int old_x = s->x;
int old_y = s->y;
int old_w = s->w;
int old_h = s->h;
int old_t = s->thickness;
int old_r = s->replace;
AVFilterLink *inlink = ctx->inputs[0];
av_opt_set(s, cmd, args, 0);
init(ctx);
if ((ret = config_input(inlink)) < 0) {
s->x = old_x;
s->y = old_y;
s->w = old_w;
s->h = old_h;
s->thickness = old_t;
s->replace = old_r;
return ret;
}
} else {
ret = AVERROR(ENOSYS);
ret = init(ctx);
if (ret < 0)
goto end;
ret = config_input(inlink);;
end:
if (ret < 0) {
s->x = old_x;
s->y = old_y;
s->w = old_w;
s->h = old_h;
s->thickness = old_t;
s->replace = old_r;
}
return ret;
}
#define OFFSET(x) offsetof(DrawBoxContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
#if CONFIG_DRAWBOX_FILTER