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Commit 2beb2fad authored by Banajit Goswami's avatar Banajit Goswami Committed by Gerrit - the friendly Code Review server
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ALSA: compress: add timestamp support for compress audio 



Add timestamp field to compress structure which indicates when
audio sample has been captured or needs to be rendered.

Change-Id: Ie61170c6645c71207e7df1c7176e0750e47590f8
Signed-off-by: default avatarGopikrishnaiah Anandan <agopik@codeaurora.org>
Signed-off-by: default avatarBanajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: default avatarMeng Wang <mwang@codeaurora.org>
parent 518970ff

include/uapi/sound/compress_offload.h

+2 −0
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ struct snd_compr_params { 
 * @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

 * @timestamp: timestamp of audio clips

 */

struct snd_compr_tstamp {

	__u32 byte_offset;
@@ -71,6 +72,7 @@ struct snd_compr_tstamp { 
	__u32 pcm_frames;

	__u32 pcm_io_frames;

	__u32 sampling_rate;

	__u64 timestamp;

} __attribute__((packed, aligned(4)));



/**