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audio HAL: new track metadata version

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Add channel mask and audio attributes tags to playback
and record track metadata sent to audio HAL.
Add new HAL methods and structs for use with HALs version 3.2
and above to provide backwards compatibility with old HALs.

Bug: 168751366
Test: make
Change-Id: I30cc3d35f97bb1bc5f80983f6ae85f3e820bf414
Merged-In: I30cc3d35f97bb1bc5f80983f6ae85f3e820bf414
This commit is contained in:
Eric Laurent 2020-11-20 18:41:46 +01:00 committed by Mikhail Naganov
parent 1de976f07b
commit bc512ab977
1 changed files with 30 additions and 0 deletions
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30
include/hardware/audio.h
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@ -233,6 +233,20 @@ typedef struct sink_metadata {
struct record_track_metadata* tracks;
} sink_metadata_t;
/* HAL version 3.2 and higher only. */
typedef struct source_metadata_v7 {
size_t track_count;
/** Array of metadata of each track connected to this source. */
struct playback_track_metadata_v7* tracks;
} source_metadata_v7_t;
/* HAL version 3.2 and higher only. */
typedef struct sink_metadata_v7 {
size_t track_count;
/** Array of metadata of each track connected to this sink. */
struct record_track_metadata_v7* tracks;
} sink_metadata_v7_t;
/**
* audio_stream_out is the abstraction interface for the audio output hardware.
*
@ -437,6 +451,14 @@ struct audio_stream_out {
int (*set_event_callback)(struct audio_stream_out *stream,
stream_event_callback_t callback,
void *cookie);
/**
* Called when the metadata of the stream's source has been changed.
* HAL version 3.2 and higher only.
* @param source_metadata Description of the audio that is played by the clients.
*/
void (*update_source_metadata_v7)(struct audio_stream_out *stream,
const struct source_metadata_v7* source_metadata);
};
typedef struct audio_stream_out audio_stream_out_t;
@ -601,6 +623,14 @@ struct audio_stream_in {
*/
void (*update_sink_metadata)(struct audio_stream_in *stream,
const struct sink_metadata* sink_metadata);
/**
* Called when the metadata of the stream's sink has been changed.
* HAL version 3.2 and higher only.
* @param sink_metadata Description of the audio that is recorded by the clients.
*/
void (*update_sink_metadata_v7)(struct audio_stream_in *stream,
const struct sink_metadata_v7* sink_metadata);
};
typedef struct audio_stream_in audio_stream_in_t;