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58 lines
2.2 KiB
Diff
58 lines
2.2 KiB
Diff
From 93e456e4a21bdb0a03050001b02f9e2dba653306 Mon Sep 17 00:00:00 2001
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From: Tad <tad@spotco.us>
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Date: Thu, 23 Aug 2018 22:23:28 -0400
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Subject: [PATCH] Improve Bluetooth audio quality, credit @ValdikSS
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Change-Id: Ia6282d5e76ea7df0d8e0c56559f71c333d6b04eb
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See: https://forum.xda-developers.com/android/software-hacking/improve-bluetooth-audio-quality-t3832615
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---
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btif/co/bta_av_co.c | 8 ++++----
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btif/src/btif_media_task.c | 2 +-
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2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/btif/co/bta_av_co.c b/btif/co/bta_av_co.c
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index 39a8ebfa..1d86469d 100644
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--- a/btif/co/bta_av_co.c
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+++ b/btif/co/bta_av_co.c
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@@ -130,7 +130,7 @@ const tA2D_SBC_CIE bta_av_co_sbc_sink_caps =
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const tA2D_SBC_CIE btif_av_sbc_default_config =
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{
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BTIF_AV_SBC_DEFAULT_SAMP_FREQ, /* samp_freq */
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- A2D_SBC_IE_CH_MD_JOINT, /* ch_mode */
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+ A2D_SBC_IE_CH_MD_DUAL, /* ch_mode */
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A2D_SBC_IE_BLOCKS_16, /* block_len */
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A2D_SBC_IE_SUBBAND_8, /* num_subbands */
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A2D_SBC_IE_ALLOC_MD_L, /* alloc_mthd */
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@@ -566,12 +566,12 @@ void bta_av_build_src_cfg (UINT8 *p_pref_cfg, UINT8 *p_src_cap)
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else if (src_cap.samp_freq & A2D_SBC_IE_SAMP_FREQ_44)
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pref_cap.samp_freq = A2D_SBC_IE_SAMP_FREQ_44;
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- if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_JOINT)
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+ if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_DUAL)
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+ pref_cap.ch_mode = A2D_SBC_IE_CH_MD_DUAL;
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+ else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_JOINT)
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pref_cap.ch_mode = A2D_SBC_IE_CH_MD_JOINT;
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else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_STEREO)
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pref_cap.ch_mode = A2D_SBC_IE_CH_MD_STEREO;
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- else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_DUAL)
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- pref_cap.ch_mode = A2D_SBC_IE_CH_MD_DUAL;
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else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_MONO)
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pref_cap.ch_mode = A2D_SBC_IE_CH_MD_MONO;
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diff --git a/btif/src/btif_media_task.c b/btif/src/btif_media_task.c
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index 977d2668..a8ad735c 100644
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--- a/btif/src/btif_media_task.c
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+++ b/btif/src/btif_media_task.c
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@@ -214,7 +214,7 @@ enum {
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#define BTIF_A2DP_NON_EDR_MAX_RATE 237
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#endif
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#else
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-#define BTIF_A2DP_DEFAULT_BITRATE 328
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+#define BTIF_A2DP_DEFAULT_BITRATE 512
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#ifndef BTIF_A2DP_NON_EDR_MAX_RATE
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#define BTIF_A2DP_NON_EDR_MAX_RATE 229
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--
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2.18.0
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