- a << _size.width << N_(":")
- << _size.height << N_(":")
- << _pixel_format << N_(":")
- << decoder->time_base_numerator() << N_(":")
- << decoder->time_base_denominator() << N_(":")
- << decoder->sample_aspect_ratio_numerator() << N_(":")
- << decoder->sample_aspect_ratio_denominator();
-
- int r;
+ a << "video_size=" << _size.width << "x" << _size.height << ":"
+ << "pix_fmt=" << _pixel_format << ":"
+ << "time_base=1/1:"
+ << "pixel_aspect=1/1";