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author | Eric Laurent <elaurent@google.com> | 2014-07-28 11:33:43 -0700 |
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committer | Eric Laurent <elaurent@google.com> | 2014-07-28 19:24:50 +0000 |
commit | a768c306b2391b8b573f047de3416c693fa50e62 (patch) | |
tree | a2960b8ee0301ab11d10e88b39fc9a3df18d7255 /include | |
parent | 0a381a379d00f708a0dfe4da758697128177749a (diff) | |
download | system_core-a768c306b2391b8b573f047de3416c693fa50e62.zip system_core-a768c306b2391b8b573f047de3416c693fa50e62.tar.gz system_core-a768c306b2391b8b573f047de3416c693fa50e62.tar.bz2 |
audio: add audio device address helper function
Add helper function to derive set_parameter command
string from device type and address.
14815883
Change-Id: Icf47218f1809f567ef93bdd99d6308475886b298
Diffstat (limited to 'include')
-rw-r--r-- | include/system/audio.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/system/audio.h b/include/system/audio.h index 13c8ae5..a287389 100644 --- a/include/system/audio.h +++ b/include/system/audio.h @@ -20,6 +20,7 @@ #include <stdbool.h> #include <stdint.h> +#include <stdio.h> #include <sys/cdefs.h> #include <sys/types.h> @@ -1325,6 +1326,23 @@ static inline size_t audio_bytes_per_sample(audio_format_t format) return size; } +/* converts device address to string sent to audio HAL via set_parameters */ +static char *audio_device_address_to_parameter(audio_devices_t device, const char *address) +{ + const size_t kSize = AUDIO_DEVICE_MAX_ADDRESS_LEN + sizeof("a2dp_sink_address="); + char param[kSize]; + + if (device & AUDIO_DEVICE_OUT_ALL_A2DP) + snprintf(param, kSize, "%s=%s", "a2dp_sink_address", address); + else if (device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX) + snprintf(param, kSize, "%s=%s", "mix", address); + else + snprintf(param, kSize, "%s", address); + + return strdup(param); +} + + __END_DECLS #endif // ANDROID_AUDIO_CORE_H |