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bluez: Configure the BlueZ broadcast source

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This is the first draft where the configuration is done based on BIS information loaded from the config file.
This commit is contained in:
Silviu Florian Barbulescu 2024-04-22 09:35:49 +03:00 • committed by Wim Taymans
parent db365ac855
commit 2bff4a9337
3 changed files with 430 additions and 0 deletions
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111
spa/plugins/bluez5/bap-codec-lc3.c
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@ -103,12 +103,20 @@ static const struct {
{ BAP_CHANNEL_RS, SPA_AUDIO_CHANNEL_SR }, /* is it the right mapping? */
};
struct bap_qos_preset {
char *name;
struct bap_qos qos;
};
#define BAP_QOS(rate_, duration_, framing_, framelen_, rtn_, latency_, delay_, priority_) \
((struct bap_qos){ .rate = (rate_), .frame_duration = (duration_), .framing = (framing_), \
.framelen = (framelen_), .retransmission = (rtn_), .latency = (latency_), \
.delay = (delay_), .priority = (priority_) })
#define BAP_PRESET_QOS(name_, rate_, duration_, framing_, framelen_, rtn_, latency_, delay_, priority_) \
((struct bap_qos_preset){ .name = name_, .qos = BAP_QOS(rate_, duration_, framing_, framelen_, \
rtn_, latency_, delay_, priority_)})
static const struct bap_qos bap_qos_configs[] = {
/* Priority: low-latency > high-reliability, 7.5ms > 10ms,
* bigger frequency and sdu better */
@ -150,6 +158,47 @@ static const struct bap_qos bap_qos_configs[] = {
BAP_QOS(LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 155, 13, 100, 40000, 7), /* 48_6_2 */
};
static const struct bap_qos_preset bap_bcast_qos_configs[] = {
/* Priority: low-latency > high-reliability, 7.5ms > 10ms,
* bigger frequency and sdu better */
/* BAP v1.0.1 Table 6.4; low-latency */
BAP_PRESET_QOS("8_1_1", LC3_CONFIG_FREQ_8KHZ, LC3_CONFIG_DURATION_7_5, false, 26, 2, 8, 40000, 30), /* 8_1_1 */
BAP_PRESET_QOS("8_2_1", LC3_CONFIG_FREQ_8KHZ, LC3_CONFIG_DURATION_10, false, 30, 2, 10, 40000, 20), /* 8_2_1 */
BAP_PRESET_QOS("16_1_1", LC3_CONFIG_FREQ_16KHZ, LC3_CONFIG_DURATION_7_5, false, 30, 2, 8, 40000, 31), /* 16_1_1 */
BAP_PRESET_QOS("16_2_1", LC3_CONFIG_FREQ_16KHZ, LC3_CONFIG_DURATION_10, false, 40, 2, 10, 40000, 21), /* 16_2_1 (mandatory) */
BAP_PRESET_QOS("24_1_1", LC3_CONFIG_FREQ_24KHZ, LC3_CONFIG_DURATION_7_5, false, 45, 2, 8, 40000, 32), /* 24_1_1 */
BAP_PRESET_QOS("24_2_1", LC3_CONFIG_FREQ_24KHZ, LC3_CONFIG_DURATION_10, false, 60, 2, 10, 40000, 22), /* 24_2_1 */
BAP_PRESET_QOS("32_1_1", LC3_CONFIG_FREQ_32KHZ, LC3_CONFIG_DURATION_7_5, false, 60, 2, 8, 40000, 33), /* 32_1_1 */
BAP_PRESET_QOS("32_2_1", LC3_CONFIG_FREQ_32KHZ, LC3_CONFIG_DURATION_10, false, 80, 2, 10, 40000, 23), /* 32_2_1 */
BAP_PRESET_QOS("441_1_1", LC3_CONFIG_FREQ_44KHZ, LC3_CONFIG_DURATION_7_5, true, 97, 4, 24, 40000, 34), /* 441_1_1 */
BAP_PRESET_QOS("441_2_1", LC3_CONFIG_FREQ_44KHZ, LC3_CONFIG_DURATION_10, true, 130, 4, 31, 40000, 24), /* 441_2_1 */
BAP_PRESET_QOS("48_1_1", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_7_5, false, 75, 4, 15, 40000, 35), /* 48_1_1 */
BAP_PRESET_QOS("48_2_1", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 100, 4, 20, 40000, 25), /* 48_2_1 */
BAP_PRESET_QOS("48_3_1", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_7_5, false, 90, 4, 15, 40000, 36), /* 48_3_1 */
BAP_PRESET_QOS("48_4_1", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 120, 4, 20, 40000, 26), /* 48_4_1 */
BAP_PRESET_QOS("48_5_1", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_7_5, false, 117, 4, 15, 40000, 37), /* 48_5_1 */
BAP_PRESET_QOS("48_6_1", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 155, 4, 20, 40000, 27), /* 48_6_1 */
/* BAP v1.0.1 Table 6.4; high-reliability */
BAP_PRESET_QOS("8_1_2", LC3_CONFIG_FREQ_8KHZ, LC3_CONFIG_DURATION_7_5, false, 26, 4, 45, 40000, 10), /* 8_1_2 */
BAP_PRESET_QOS("8_1_2", LC3_CONFIG_FREQ_8KHZ, LC3_CONFIG_DURATION_10, false, 30, 4, 60, 40000, 0), /* 8_1_2 */
BAP_PRESET_QOS("16_1_2", LC3_CONFIG_FREQ_16KHZ, LC3_CONFIG_DURATION_7_5, false, 30, 4, 45, 40000, 11), /* 16_1_2 */
BAP_PRESET_QOS("16_2_2", LC3_CONFIG_FREQ_16KHZ, LC3_CONFIG_DURATION_10, false, 40, 4, 60, 40000, 1), /* 16_2_2 */
BAP_PRESET_QOS("24_1_2", LC3_CONFIG_FREQ_24KHZ, LC3_CONFIG_DURATION_7_5, false, 45, 4, 45, 40000, 12), /* 24_1_2 */
BAP_PRESET_QOS("24_2_2", LC3_CONFIG_FREQ_24KHZ, LC3_CONFIG_DURATION_10, false, 60, 4, 60, 40000, 2), /* 24_2_2 */
BAP_PRESET_QOS("32_1_2", LC3_CONFIG_FREQ_32KHZ, LC3_CONFIG_DURATION_7_5, false, 60, 4, 45, 40000, 13), /* 32_1_2 */
BAP_PRESET_QOS("32_2_2", LC3_CONFIG_FREQ_32KHZ, LC3_CONFIG_DURATION_10, false, 80, 4, 60, 40000, 3), /* 32_2_2 */
BAP_PRESET_QOS("441_1_2", LC3_CONFIG_FREQ_44KHZ, LC3_CONFIG_DURATION_7_5, true, 97, 4, 54, 40000, 14), /* 441_1_2 */
BAP_PRESET_QOS("441_2_2", LC3_CONFIG_FREQ_44KHZ, LC3_CONFIG_DURATION_10, true, 130, 4, 60, 40000, 4), /* 441_2_2 */
BAP_PRESET_QOS("48_1_2", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_7_5, false, 75, 4, 50, 40000, 15), /* 48_1_2 */
BAP_PRESET_QOS("48_2_2", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 100, 4, 65, 40000, 5), /* 48_2_2 */
BAP_PRESET_QOS("48_3_2", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_7_5, false, 90, 4, 50, 40000, 16), /* 48_3_2 */
BAP_PRESET_QOS("48_4_2", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 120, 4, 65, 40000, 6), /* 48_4_2 */
BAP_PRESET_QOS("48_5_2", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_7_5, false, 117, 4, 50, 40000, 17), /* 48_5_2 */
BAP_PRESET_QOS("48_6_2", LC3_CONFIG_FREQ_48KHZ, LC3_CONFIG_DURATION_10, false, 155, 4, 65, 40000, 7), /* 48_6_2 */
};
static unsigned int get_rate_mask(uint8_t rate) {
switch (rate) {
case LC3_CONFIG_FREQ_8KHZ: return LC3_FREQ_8KHZ;
@ -1108,6 +1157,67 @@ static void codec_set_log(struct spa_log *global_log)
spa_log_topic_init(log, &codec_plugin_log_topic);
}
static int codec_get_bis_config(const struct media_codec *codec, uint8_t *caps,
uint8_t *caps_size, char *preset, int channel_allocation,
struct bap_codec_qos *qos)
{
int index = 0x0;
if (!codec)
return -ENOTSUP;
uint8_t *data = caps;
*caps_size = 0;
SPA_FOR_EACH_ELEMENT_VAR(bap_bcast_qos_configs, c) {
if (strcmp(c->name, preset) == 0) {
break;
}
index++;
}
switch (bap_bcast_qos_configs[index].qos.rate) {
case LC3_CONFIG_FREQ_48KHZ:
data += write_ltv_uint8(data, LC3_TYPE_FREQ, LC3_CONFIG_FREQ_48KHZ);
break;
case LC3_CONFIG_FREQ_32KHZ:
data += write_ltv_uint8(data, LC3_TYPE_FREQ, LC3_CONFIG_FREQ_32KHZ);
break;
case LC3_CONFIG_FREQ_24KHZ:
data += write_ltv_uint8(data, LC3_TYPE_FREQ, LC3_CONFIG_FREQ_24KHZ);
break;
case LC3_CONFIG_FREQ_16KHZ:
data += write_ltv_uint8(data, LC3_TYPE_FREQ, LC3_CONFIG_FREQ_16KHZ);
break;
case LC3_CONFIG_FREQ_8KHZ:
data += write_ltv_uint8(data, LC3_TYPE_FREQ, LC3_CONFIG_FREQ_8KHZ);
break;
default:
return -EINVAL;
}
*caps_size = *caps_size + 3;
data += write_ltv_uint16(data, LC3_TYPE_FRAMELEN, htobs(bap_bcast_qos_configs[index].qos.framelen));
*caps_size = *caps_size + 4;
data += write_ltv_uint8(data, LC3_TYPE_DUR, bap_bcast_qos_configs[index].qos.frame_duration);
*caps_size = *caps_size + 3;
data += write_ltv_uint32(data, LC3_TYPE_CHAN, htobl(channel_allocation));
*caps_size = *caps_size + 6;
if(bap_bcast_qos_configs[index].qos.framing)
qos->framing = 1;
else
qos->framing = 0;
qos->sdu = bap_bcast_qos_configs[index].qos.framelen * get_channel_count(channel_allocation);
qos->retransmission = bap_bcast_qos_configs[index].qos.retransmission;
qos->latency = bap_bcast_qos_configs[index].qos.latency;
qos->delay = bap_bcast_qos_configs[index].qos.delay;
qos->phy = 2;
qos->interval = 10000;
return true;
}
const struct media_codec bap_codec_lc3 = {
.id = SPA_BLUETOOTH_AUDIO_CODEC_LC3,
.name = "lc3",
@ -1132,6 +1242,7 @@ const struct media_codec bap_codec_lc3 = {
.reduce_bitpool = codec_reduce_bitpool,
.increase_bitpool = codec_increase_bitpool,
.set_log = codec_set_log,
.get_bis_config = codec_get_bis_config
};
MEDIA_CODEC_EXPORT_DEF(