SNDRV_COMPRESS_IOCTL_VERSION(9)

Usage

SNDRV_COMPRESS_IOCTL_VERSION(void);

Arguments

None

Overview

SNDRV_COMPRESS_GET_CAPS: Query capability of DSP SNDRV_COMPRESS_GET_CODEC_CAPS: Query capability of a codec SNDRV_COMPRESS_SET_PARAMS: Set codec and stream parameters

Note

only codec params can be changed runtime and stream params cant be SNDRV_COMPRESS_GET_PARAMS: Query codec params SNDRV_COMPRESS_TSTAMP: get the current timestamp value SNDRV_COMPRESS_AVAIL: get the current buffer avail value. This also queries the tstamp properties SNDRV_COMPRESS_PAUSE: Pause the running stream SNDRV_COMPRESS_RESUME: resume a paused stream SNDRV_COMPRESS_START: Start a stream SNDRV_COMPRESS_STOP: stop a running stream, discarding ring buffer content and the buffers currently with DSP SNDRV_COMPRESS_DRAIN: Play till end of buffers and stop after that SNDRV_COMPRESS_IOCTL_VERSION: Query the API version