Support for all MediaConvert supported input containers/formats

[snwbrdr78]

I noticed this specifically with .m4v (iPhone created videos) today.

https://docs.aws.amazon.com/mediaconvert/latest/ug/reference-codecs-containers-input.html

Container | Video Codecs Supported with Container

No Container | DV/DVCPRO, AVC (H.264), HEVC (H.265), MPEG-1, MPEG-2
Audio Video Interleave (AVI) | Uncompressed, Canopus HQ, DivX/Xvid, DV/DVCPRO
Adobe Flash | AVC (H.264), Flash 9 File, H.263
Matroska | AVC (H.264), PCM, MPEG-2, MPEG-4 part 2, VC-1
IMF | Apple ProRes, JPEG 2000 (J2K)
MPEG Transport Streams | AVC (H.264), HEVC (H.265), MPEG-2, VC-1
MPEG-1 System Streams | MPEG-1, MPEG-2
MPEG-4 | Uncompressed, AVC Intra 50/100, DivX/Xvid, H.261, H.262, H.263, AVC (H.264), HEVC (H.265), JPEG 2000, MJPEG, MPEG-2, MPEG-4 part 2, VC-1
MXF | Uncompressed, Apple ProRes, AVC Intra 50/100, DNxHD, DV/DVCPRO, DV25, DV50, DVCPro HD, AVC (H.264), JPEG 2000 (J2K), MPEG-2, Panasonic P2, SonyXDCam, SonyXDCam MPEG-4 Proxy
QuickTime | Uncompressed, Apple ProRes, AVC Intra 50/100, DivX/Xvid, DV/DVCPRO, H.261, H.262, H.263, AVC (H.264), HEVC (H.265), JPEG 2000 (J2K), MJPEG, MPEG-2, MPEG-4 part 2, QuickTime Animation (RLE)
WebM | VP8, VP9
WMV/ASF | VC-1