From 21392d327fb6ed0bd92a386332f830118b82cf78 Mon Sep 17 00:00:00 2001 From: Pauli Virtanen Date: Wed, 25 Aug 2021 21:17:33 +0300 Subject: [PATCH] bluez5: lowball fallback delay values Reduce fallback delay values used when BT device doesn't provide the information itself. It may be better to have audio late than early, so use values that are probably close to or below the delays of majority of headsets. --- spa/plugins/bluez5/bluez5-dbus.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/spa/plugins/bluez5/bluez5-dbus.c b/spa/plugins/bluez5/bluez5-dbus.c index a10a0546f..9b2359c5b 100644 --- a/spa/plugins/bluez5/bluez5-dbus.c +++ b/spa/plugins/bluez5/bluez5-dbus.c @@ -3172,20 +3172,17 @@ int64_t spa_bt_transport_get_delay_nsec(struct spa_bt_transport *t) /* Fallback values when device does not provide information */ if (t->media_codec == NULL) - return 30 * SPA_NSEC_PER_MSEC; + return 20 * SPA_NSEC_PER_MSEC; switch (t->media_codec->id) { case SPA_BLUETOOTH_AUDIO_CODEC_SBC: case SPA_BLUETOOTH_AUDIO_CODEC_SBC_XQ: - return 200 * SPA_NSEC_PER_MSEC; case SPA_BLUETOOTH_AUDIO_CODEC_MPEG: case SPA_BLUETOOTH_AUDIO_CODEC_AAC: - return 200 * SPA_NSEC_PER_MSEC; case SPA_BLUETOOTH_AUDIO_CODEC_APTX: case SPA_BLUETOOTH_AUDIO_CODEC_APTX_HD: - return 150 * SPA_NSEC_PER_MSEC; case SPA_BLUETOOTH_AUDIO_CODEC_LDAC: - return 175 * SPA_NSEC_PER_MSEC; + return 125 * SPA_NSEC_PER_MSEC; case SPA_BLUETOOTH_AUDIO_CODEC_AAC_ELD: case SPA_BLUETOOTH_AUDIO_CODEC_APTX_LL: case SPA_BLUETOOTH_AUDIO_CODEC_APTX_LL_DUPLEX: @@ -3196,7 +3193,7 @@ int64_t spa_bt_transport_get_delay_nsec(struct spa_bt_transport *t) default: break; }; - return 150 * SPA_NSEC_PER_MSEC; + return 125 * SPA_NSEC_PER_MSEC; } static int transport_update_props(struct spa_bt_transport *transport,