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bluez5: fix ldac stuttering

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Signed-off-by: Huang-Huang Bao <eh5@sokka.cn>
This commit is contained in:
Huang-Huang Bao 2020-12-17 02:29:04 +08:00
parent 1636e08368
commit 30755c4a44
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GPG key ID: 33C3271387A13D1B
2 changed files with 28 additions and 9 deletions
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18
spa/plugins/bluez5/a2dp-codec-ldac.c
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@ -37,6 +37,12 @@
#define MAX_FRAME_COUNT 16
#define LDACBT_EQMID_BITRATE_990000 LDACBT_EQMID_HQ
#define LDACBT_EQMID_BITRATE_660000 LDACBT_EQMID_SQ
#define LDACBT_EQMID_BITRATE_330000 LDACBT_EQMID_MQ
#define LDACBT_EQMID_BITRATE_492000 3
#define LDACBT_EQMID_BITRATE_396000 4
struct impl {
HANDLE_LDAC_BT ldac;
@ -196,11 +202,15 @@ static int get_frame_length(struct impl *this)
{
this->eqmid = ldacBT_get_eqmid(this->ldac);
switch (this->eqmid) {
case LDACBT_EQMID_HQ:
case LDACBT_EQMID_BITRATE_990000:
return 330;
case LDACBT_EQMID_SQ:
case LDACBT_EQMID_BITRATE_660000:
return 220;
case LDACBT_EQMID_MQ:
case LDACBT_EQMID_BITRATE_492000:
return 164;
case LDACBT_EQMID_BITRATE_396000:
return 132;
case LDACBT_EQMID_BITRATE_330000:
return 110;
}
return -EINVAL;
@ -228,7 +238,7 @@ static int codec_get_num_blocks(void *data)
{
struct impl *this = data;
size_t rtp_size = sizeof(struct rtp_header) + sizeof(struct rtp_payload);
size_t frame_count = (this->mtu - rtp_size) / this->frame_length;
size_t frame_count = SPA_MIN(this->mtu - rtp_size, 660) / this->frame_length;
/* frame_count is only 4 bit number */
if (frame_count > 15)