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Add AudioRecord timestamps

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Bug: 13569372
Bug: 22886739
Change-Id: Ieca6026254123b46ef1c8a180adb72c347587239
This commit is contained in:
Andy Hung 2016-01-15 17:42:36 -08:00
parent fc6f0d838a
commit 9904fab472
1 changed files with 17 additions and 0 deletions
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17
include/hardware/audio.h
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@ -431,6 +431,23 @@ struct audio_stream_in {
* Unit: the number of input audio frames * Unit: the number of input audio frames
*/ */
uint32_t (*get_input_frames_lost)(struct audio_stream_in *stream); uint32_t (*get_input_frames_lost)(struct audio_stream_in *stream);
/**
* Return a recent count of the number of audio frames received and
* the clock time associated with that frame count.
*
* frames is the total frame count received. This should be as early in
* the capture pipeline as possible. In general,
* frames should be non-negative and should not go "backwards".
*
* time is the clock MONOTONIC time when frames was measured. In general,
* time should be a positive quantity and should not go "backwards".
*
* The status returned is 0 on success, -ENOSYS if the device is not
* ready/available, or -EINVAL if the arguments are null or otherwise invalid.
*/
int (*get_capture_position)(const struct audio_stream_in *stream,
int64_t *frames, int64_t *time);
}; };
typedef struct audio_stream_in audio_stream_in_t; typedef struct audio_stream_in audio_stream_in_t;