dma_fd in frame

src/libs/frame.c

@@ -27,6 +27,7 @@ frame_s *frame_init(void) {
 	frame_s *frame;
 	A_CALLOC(frame, 1);
 	frame_realloc_data(frame, 512 * 1024);
+	frame->dma_fd = -1;
 	return frame;
 }
 

src/libs/frame.h

@@ -38,6 +38,7 @@ typedef struct {
 	uint8_t	*data;
 	size_t	used;
 	size_t	allocated;
+	int		dma_fd;
 
 	unsigned width;
 	unsigned height;