From Version 6 on, SWF supports h.263 video rendering. This tool generates, among some other formats (see below), SWF movies which contain such h.263 video from AVI files.
−h, −−help Print help and exit
−o, −−output filename Specify output filename
−A, −−adjust seconds Audio adjust: Shift sound -seconds to the future or +seconds into the past.
−n, −−num frames Number of frames to encode
−m, −−mp3-bitrate kbps Set the mp3 bitrate to encode audio with
−r, −−mp3-samplerate hz Set the mp3 samplerate to encode audio with (default: 11025)
−s, −−scale val Scale down to factor val. (in %, e.g. 100 = original size)
−S, −−skipframes num Skip num frames before starting the conversion.
−p, −−flip Turn movie upside down
−q, −−quality val Set the quality to val. (0-100, 0=worst, 100=best, default:80)
−k, −−keyframe Set the number of intermediate frames between keyframes.
−x, −−extragood Enable some very expensive compression strategies. You may want to let this run overnight.
−T, −−flashversion n Set output flash version to n. Notice: H.263 compression will only be used for n >= 6.
−V, −−version Print program version and exit