预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

OGG/Vorbis supports PCM encodings in the following formats

Constant	Definition
OGGVORBIS_PCM_U8	Unsigned 8-bit PCM.
OGGVORBIS_PCM_S8	Signed 8-bit PCM.
OGGVORBIS_PCM_U16_LE	Unsigned 16-bit PCM. Little Endian byte order.
OGGVORBIS_PCM_U16_BE	Unsigned 16-bit PCM. Big Endian byte order.
OGGVORBIS_PCM_S16_LE	Signed 16-bit PCM. Little Endian byte order.
OGGVORBIS_PCM_S16_BE	Signed 16-bit PCM. Big Endian byte order.