implement fps get on static picture filter

src/nowebcam.c

@@ -1786,6 +1786,12 @@ static int static_image_set_fps(MSFilter *f, void *arg){
 	return 0;
 }
 
+static int static_image_get_fps(MSFilter *f, void *arg){
+	SIData *d=(SIData*)f->data;
+	*((float*)arg) = d->fps;
+	return 0;
+}
+
 int static_image_set_vsize(MSFilter *f, void* data){
 	SIData *d=(SIData*)f->data;
 	d->vsize=*(MSVideoSize*)data;
@@ -1828,6 +1834,7 @@ static int static_image_set_image(MSFilter *f, void *arg){
 
 MSFilterMethod static_image_methods[]={
 	{	MS_FILTER_SET_FPS,	static_image_set_fps	},
+	{	MS_FILTER_GET_FPS,	static_image_get_fps	},
 	{	MS_FILTER_SET_VIDEO_SIZE, static_image_set_vsize },
 	{	MS_FILTER_GET_VIDEO_SIZE, static_image_get_vsize },
 	{	MS_FILTER_GET_PIX_FMT, static_image_get_pix_fmt },

src/videostream.c

@@ -301,8 +301,9 @@ int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *re
 		ms_filter_call_method(stream->encoder,MS_FILTER_GET_FPS,&fps);
 		ms_message("Setting sent vsize=%ix%i, fps=%f",vsize.width,vsize.height,fps);
 		/* configure the filters */
-		if (ms_filter_get_id(stream->source)!=MS_STATIC_IMAGE_ID)
+		if (ms_filter_get_id(stream->source)!=MS_STATIC_IMAGE_ID) {
 			ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps);
+		}
 		ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize);
 		/* get the output format for webcam reader */
 		ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format);