'\" t .\" Title: struct snd_compr_tstamp .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: April 2019 .\" Manual: Compress Offload .\" Source: Kernel Hackers Manual 4.9.168 .\" Language: English .\" .TH "STRUCT SND_COMPR_TST" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "Compress Offload" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" struct_snd_compr_tstamp \- timestamp descriptor .SH "SYNOPSIS" .sp .nf struct snd_compr_tstamp { __u32 byte_offset; __u32 copied_total; __u32 pcm_frames; __u32 pcm_io_frames; __u32 sampling_rate; }; .fi .SH "MEMBERS" .PP byte_offset .RS 4 Byte offset in ring buffer to DSP .RE .PP copied_total .RS 4 Total number of bytes copied from/to ring buffer to/by DSP .RE .PP pcm_frames .RS 4 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\&. .RE .PP pcm_io_frames .RS 4 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\&. .RE .PP sampling_rate .RS 4 sampling rate of audio .RE .SH "COPYRIGHT" .br