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Bluetooth samples: Add USE_SPECIFIC_BROADCAST_CHANNEL Kconfig

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Added USE_SPECIFIC_BROADCAST_CHANNEL which enable/disables the use of a
specific channel audio location for the broadcast audio sink sample.
If USE_SPECIFIC_BROADCAST_CHANNEL is set to no then first valid channel
is chosen. In this case broadcast channel with no audio location is
also supported.

Signed-off-by: Jens Rehhoff Thomsen <jthm@demant.com>
This commit is contained in:
Jens Rehhoff Thomsen 2024-02-05 17:14:51 +01:00 • committed by Johan Hedberg
commit 056fe7d2ae
2 changed files with 17 additions and 2 deletions
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9
samples/bluetooth/broadcast_audio_sink/Kconfig
View file

@ -55,11 +55,18 @@ config USE_USB_AUDIO_OUTPUT
phone or PC as a USB-in device (such as a USB microphone). phone or PC as a USB-in device (such as a USB microphone).
USB audio only supports a single audio channel. USB audio only supports a single audio channel.
config USE_SPECIFIC_BROADCAST_CHANNEL
bool "Use specific Broadcast Channel Audio Location"
default y
depends on USE_USB_AUDIO_OUTPUT
help
Enables the use of a specific Channel Audio Location (see config TARGET_BROADCAST_CHANNEL).
config TARGET_BROADCAST_CHANNEL config TARGET_BROADCAST_CHANNEL
int "Broadcast Channel Audio Location to sync to" int "Broadcast Channel Audio Location to sync to"
range 0 2 range 0 2
default 1 default 1
depends on USE_USB_AUDIO_OUTPUT depends on USE_SPECIFIC_BROADCAST_CHANNEL
help help
Channel Audio Location to sync to. These corresponds to the bt_audio_location, Channel Audio Location to sync to. These corresponds to the bt_audio_location,
supporting mono, left and right channels supporting mono, left and right channels

10
samples/bluetooth/broadcast_audio_sink/src/main.c
View file

@ -364,7 +364,6 @@ static void stream_started_cb(struct bt_bap_stream *stream)
sink_stream->valid_cnt = 0U; sink_stream->valid_cnt = 0U;
sink_stream->error_cnt = 0U; sink_stream->error_cnt = 0U;
#if defined(CONFIG_LIBLC3) #if defined(CONFIG_LIBLC3)
int err; int err;
@ -458,6 +457,15 @@ static bool find_valid_bis_cb(const struct bt_bap_base_subgroup_bis *bis,
err = bt_audio_codec_cfg_get_chan_allocation(&codec_cfg, &chan_allocation); err = bt_audio_codec_cfg_get_chan_allocation(&codec_cfg, &chan_allocation);
if (err != 0) { if (err != 0) {
printk("Could not find channel allocation (err=%d)\n", err); printk("Could not find channel allocation (err=%d)\n", err);
if (err == -ENODATA && strlen(CONFIG_TARGET_BROADCAST_NAME) > 0U) {
/* Accept no channel allocation data available
* if TARGET_BROADCAST_NAME defined. Use current index.
*/
*bis_index = bis->index;
return false;
}
return true; return true;
} }