* - decoding: Read by user.\
*/\
AVRational sample_aspect_ratio;\
+\
+ /**\
+ * width and height of the video frame\
+ * - encoding: unused\
+ * - decoding: Read by user.\
+ */\
+ int width, height;\
+\
+ /**\
+ * format of the frame, -1 if unknown or unset\
+ * It should be cast to the corresponding enum (enum PixelFormat\
+ * for video, enum AVSampleFormat for audio)\
+ * - encoding: unused\
+ * - decoding: Read by user.\
+ */\
+ int format;\
#define FF_QSCALE_TYPE_MPEG1 0