diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/sound/compress_offload.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index d62eb93af0ed..abd0ea3f86ee 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -57,6 +57,25 @@ struct snd_compr_tstamp { } __attribute__((packed, aligned(4))); /** + * struct snd_compr_tstamp64 - timestamp descriptor with fields in 64 bit + * @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 + */ +struct snd_compr_tstamp64 { + __u32 byte_offset; + __u64 copied_total; + __u64 pcm_frames; + __u64 pcm_io_frames; + __u32 sampling_rate; +} __attribute__((packed, aligned(4))); + +/** * struct snd_compr_avail - avail descriptor * @avail: Number of bytes available in ring buffer for writing/reading * @tstamp: timestamp information |