Video and Audio Formats that Quicktime Support

Below are the video and audio file formats and codecs that QuickTime Player can playback in Mac OS X v10.6.x or OS X Lion(from supportapple ):

Media type	File formats	Codecs or components
Video	QuickTime Movie (.mov) MPEG-4 (.mp4, .m4v) MPEG-2 (OS X Lion only) MPEG-1 3GPP 3GPP2 AVI DV	MPEG-2 (OS X Lion only) MPEG-4 (Part 2) H.264 H.263 H.261 Apple ProRes Apple Pixlet Animation Cinepak Component Video DV DVC Pro 50 Graphics Motion JPEG (Mac OS X v10.6.x only) Photo JPEG Sorenson Video 2 Sorenson Video 3
Audio	iTunes Audio (.m4a, .m4b, .m4p) MP3 Core Audio (.caf) AIFF AU SD2 WAV SND AMR	AAC (MPEG-4 Audio) HE-AAC Apple Lossless MP3 AMR Narrowband MS ADPCM QDesign Music 2 Qualcomm PureVoice (QCELP) IMA 4:1 MACE 3:1 (Mac OS X v10.6.x only) MACE 6:1 (Mac OS X v10.6.x only) ALaw 2:1 ULaw 2:1 24-Bit Integer 32-Bit Integer 32-Bit Floating Point 64-Bit Floating Point