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STRUCT SND_COMPR_TST(9) Compress Offload STRUCT SND_COMPR_TST(9)

NAME

struct_snd_compr_tstamp - timestamp descriptor

SYNOPSIS

struct snd_compr_tstamp {


  __u32 byte_offset;


  __u32 copied_total;


  __u32 pcm_frames;


  __u32 pcm_io_frames;


  __u32 sampling_rate;
};

MEMBERS

byte_offset

Byte offset in ring buffer to DSP

copied_total

Total number of bytes copied from/to ring buffer to/by DSP

pcm_frames

Frames decoded or encoded by DSP. This field will evolve by large steps and should only be used to monitor encoding/decoding progress. It shall not be used for timing estimates.

pcm_io_frames

Frames rendered or received by DSP into a mixer or an audio output/input. This field should be used for A/V sync or time estimates.

sampling_rate

sampling rate of audio

COPYRIGHT

June 2017 Kernel Hackers Manual 4.9.