Standard WINDOWS PCM WAVE format with valid RIFF header. 

Decoder	WINDOWS PCM WAVE
File extension	wav
Description	Windows PCM WAVE format with valid RIFF header, uncompressed. Supported 8 and 16 bit per sample.
Supported by	Native windows winmm library.
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Info tags	Supported by RIFF chunks (INFO, DISP and LIST).
Reverse playing	Supported.
Accurate length	Supported.
Accurate seek	Supported.
BPM detection	Supported.
Gapless playing	Supported.
Dynamic streams	Supported.
Format autodetection	Supported by analyzing file extension and detecting RIFF tag at stream beginning.
Audio autodetection	Supported by RIFF FMT chunk.
Recording/Encoder	Supported.
Supported channels	1 channel (mono), 2 channels (stereo)

Only uncompressed windows wave format is supported. Stream must have valid RIFF header. 

Supported formats