ImageRole         177 libavcodec/webp.c     enum ImageRole role;                /* role of this image */
ImageRole         453 libavcodec/webp.c static int decode_entropy_coded_image(WebPContext *s, enum ImageRole role,
ImageRole         586 libavcodec/webp.c static int decode_entropy_coded_image(WebPContext *s, enum ImageRole role,