The PlayStation 4 finally has a new media player that allows video, music, and pictures to be streamed from a PC or USB stick.
The app--simply titled Media Player--is now available on PSN. If you browse through the PS4's content area, you'll find a Media Player tile that allows you to download it.
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You can stream files off of a home server or a USB stick that you plug into the system. Many of the major file formats you'd hope for are supported, such as MKV, AVI, and MP4. A full list of supported formats follows below.
Visual: H.264/MPEG-4 AVC High Profile Level 4.2Audio: MP3, AAC LC, AC-3 (Dolby Digital)AVI
Visual: MPEG4 ASP, H.264/MPEG-4 AVC High Profile Level 4.2Audio: MP3, AAC LC, AC-3 (Dolby Digital)MP4
Visual: H.264/MPEG-4 AVC High Profile Level 4.2Audio: AAC LC, AC-3 (Dolby Digital)MPEG-2 TS
Visual: H.264/MPEG-4 AVC High Profile Level4.2, MPEG2 VisualAudio: MP2(MPEG2 Audio Layer 2), AAC LC, AC-3(Dolby Digital)AVCHD: (.m2ts, .mts)