SDPVideoCodec

Small but extremely powerful!

Contains everything you need to play all popular audio and video file formats.

Supports playback of:

AVI, MKV, MP4, FLV, MPEG, MOV, TS, M2TS, WMV, RM, RMVB, OGM, WebM
MP3, FLAC, M4A, AAC, OGG, 3GP, AMR, APE, MKA, Opus, Wavpack, Musepack
DVD and Blu-ray (after decryption)
and many more audio and video formats!
Provides lots of useful functionality, such as:

Subtitle display
Hardware accereration (DXVA2 / NVIDIA CUVID / Intel QuickSync)
Audio bitstreaming
Video thumbnails in Explorer
File association options
Broken codec detection
and much more!