int check_sample_rate(AVCodec *codec, int sample_rate);
AVRational check_frame_rate(AVCodec *codec, double frame_rate);
- AVRational to_sample_aspect_ratio(double aspect_ratio);
+ AVRational to_sample_aspect_ratio(Asset *asset);
AVRational to_time_base(int sample_rate);
static void set_option_path(char *path, const char *fmt, ...);