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instead of failing when the requested sampling rate is not available find the next one that is higher

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This commit is contained in:
Lennart Poettering 2008-09-29 21:42:29 +02:00
parent aa1974b7a0
commit a35f84a4f9
1 changed files with 23 additions and 19 deletions
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42
src/modules/bluetooth/module-bluetooth-device.c
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@ -252,33 +252,37 @@ static uint8_t default_bitpool(uint8_t freq, uint8_t mode) {
static int bt_a2dp_init(struct userdata *u) {
sbc_capabilities_t *cap = &u->a2dp.sbc_capabilities;
unsigned int max_bitpool, min_bitpool;
uint8_t max_bitpool, min_bitpool;
unsigned i;
switch (u->ss.rate) {
case 48000:
cap->frequency = BT_SBC_SAMPLING_FREQ_48000;
break;
case 44100:
cap->frequency = BT_SBC_SAMPLING_FREQ_44100;
break;
case 32000:
cap->frequency = BT_SBC_SAMPLING_FREQ_32000;
break;
case 16000:
cap->frequency = BT_SBC_SAMPLING_FREQ_16000;
break;
default:
pa_log_error("Rate %d not supported", u->ss.rate);
return -1;
}
static const struct {
uint32_t rate;
uint8_t cap;
} freq_table[] = {
{ 16000U, BT_SBC_SAMPLING_FREQ_16000 },
{ 32000U, BT_SBC_SAMPLING_FREQ_32000 },
{ 44100U, BT_SBC_SAMPLING_FREQ_44100 },
{ 48000U, BT_SBC_SAMPLING_FREQ_48000 }
};
if (u->ss.channels == 2) {
/* Find the lowest freq that is at least as high as the requested
* sampling rate */
for (i = 0; i < PA_ELEMENTSOF(freq_table); i++)
if (freq_table[i].rate >= u->ss.rate || i == PA_ELEMENTSOF(freq_table)-1 ) {
u->ss.rate = freq_table[i].rate;
cap->frequency = freq_table[i].cap;
break;
}
if (u->ss.channels >= 2) {
if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO)
cap->channel_mode = BT_A2DP_CHANNEL_MODE_JOINT_STEREO;
else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO)
cap->channel_mode = BT_A2DP_CHANNEL_MODE_STEREO;
else if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL)
cap->channel_mode = BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL;
u->ss.channels = 2;
} else {
if (cap->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
cap->channel_mode = BT_A2DP_CHANNEL_MODE_MONO;