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i will continue to tweak a2dp constants until my great foe "audio stutter" is defeated for all time

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jacqueline 9 months ago
parent ad6a81f3d6
commit 7d33f99216
1 changed files with 3 additions and 4 deletions
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  1. 7
      lib/bt/host/bluedroid/btc/profile/std/a2dp/btc_a2dp_source.c

7
lib/bt/host/bluedroid/btc/profile/std/a2dp/btc_a2dp_source.c
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@ -74,11 +74,11 @@ enum {
/* Media task tick in milliseconds, must be set to multiple of /* Media task tick in milliseconds, must be set to multiple of
(1000/TICKS_PER_SEC) */ (1000/TICKS_PER_SEC) */
#define BTC_MEDIA_TIME_TICK_MS (30) #define BTC_MEDIA_TIME_TICK_MS (20)
#define A2DP_DATA_READ_POLL_MS (BTC_MEDIA_TIME_TICK_MS / 2) #define A2DP_DATA_READ_POLL_MS (BTC_MEDIA_TIME_TICK_MS / 2)
#ifndef MAX_PCM_FRAME_NUM_PER_TICK #ifndef MAX_PCM_FRAME_NUM_PER_TICK
#define MAX_PCM_FRAME_NUM_PER_TICK 21 // 14 for 20ms #define MAX_PCM_FRAME_NUM_PER_TICK 14 // 14 for 20ms
#endif #endif
#define BTC_MEDIA_AA_BUF_SIZE (4096+16) #define BTC_MEDIA_AA_BUF_SIZE (4096+16)
@ -120,8 +120,7 @@ enum {
layers we might need to temporarily buffer up data */ layers we might need to temporarily buffer up data */
/* 5 frames is equivalent to 6.89*5*2.9 ~= 100 ms @ 44.1 khz, 20 ms mediatick */ /* 5 frames is equivalent to 6.89*5*2.9 ~= 100 ms @ 44.1 khz, 20 ms mediatick */
#define MAX_OUTPUT_A2DP_FRAME_QUEUE_SZ (5) #define MAX_OUTPUT_A2DP_SRC_FRAME_QUEUE_SZ (50) // 18 for 20ms tick
#define MAX_OUTPUT_A2DP_SRC_FRAME_QUEUE_SZ (27) // 18 for 20ms tick
#define BTC_A2DP_SRC_DATA_QUEUE_IDX (1) #define BTC_A2DP_SRC_DATA_QUEUE_IDX (1)

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