Hi, what do you think, which is the best and fastest free video converter software for 3490 video player?

3490 supported video formats are:
.avi, .mp4 (H.264 video codec only!), AAC audio codec (48000 Hz, 16 bit), resolution up to 720*480.
.asf (WMV1, WMV2, WMV3 video codec), MSAudio1, MSAudio2, MSAudio3 audio codec (48000 Hz, 16 bit), resolution up to 720*480.
.wmv (WMV video codec), wma audio codec, resolution up to 720*480.