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Fix audio underrun issue with oppo x20

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weitianhua 2020-07-07 22:12:24 +08:00 committed by maojianxin
parent 8a074d7b40
commit 69aa2121cc
1 changed files with 9 additions and 3 deletions
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12
components/bt/bluedroid/btc/profile/std/a2dp/btc_a2dp_sink.c
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@ -88,7 +88,8 @@ enum {
layers we might need to temporarily buffer up data */
/* 18 frames is equivalent to 6.89*18*2.9 ~= 360 ms @ 44.1 khz, 20 ms mediatick */
#define MAX_OUTPUT_A2DP_SNK_FRAME_QUEUE_SZ (18)
#define JITTER_BUFFER_WATER_LEVEL (15)
#define MAX_OUTPUT_A2DP_SNK_FRAME_QUEUE_SZ (18 + JITTER_BUFFER_WATER_LEVEL)
typedef struct {
UINT16 num_frames_to_be_processed;
@ -458,7 +459,7 @@ static void btc_a2dp_sink_data_ready(UNUSED_ATTR void *context)
tBT_SBC_HDR *p_msg;
if (fixed_queue_is_empty(btc_aa_snk_cb.RxSbcQ)) {
APPL_TRACE_DEBUG(" QUE EMPTY ");
APPL_TRACE_ERROR(" QUE EMPTY ");
} else {
if (btc_aa_snk_cb.rx_flush == TRUE) {
btc_a2dp_sink_flush_q(btc_aa_snk_cb.RxSbcQ);
@ -775,8 +776,13 @@ UINT8 btc_a2dp_sink_enque_buf(BT_HDR *p_pkt)
p_pkt->offset + p_pkt->len)) != NULL) {
memcpy(p_msg, p_pkt, (sizeof(BT_HDR) + p_pkt->offset + p_pkt->len));
p_msg->num_frames_to_be_processed = (*((UINT8 *)(p_msg + 1) + p_msg->offset)) & 0x0f;
APPL_TRACE_VERBOSE("btc_a2dp_sink_enque_buf %d + \n", p_msg->num_frames_to_be_processed);
APPL_TRACE_DEBUG("btc_a2dp_sink_enque_buf %d + \n", p_msg->num_frames_to_be_processed);
fixed_queue_enqueue(btc_aa_snk_cb.RxSbcQ, p_msg);
if (fixed_queue_length(btc_aa_snk_cb.RxSbcQ) < JITTER_BUFFER_WATER_LEVEL) {
return fixed_queue_length(btc_aa_snk_cb.RxSbcQ);
}
btc_a2dp_sink_data_post(BTC_A2DP_SINK_DATA_EVT);
} else {
/* let caller deal with a failed allocation */