int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w,
uint8_t dst_color[4],
enum PixelFormat pix_fmt, uint8_t rgba_color[4],
int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w,
uint8_t dst_color[4],
enum PixelFormat pix_fmt, uint8_t rgba_color[4],