/****************************************************************************
NAME
A2dpRouteAudio
DESCRIPTION
attempt to connect an audio connection from a2dp device via the passed in
deviceID
RETURNS
*/
void A2dpRouteAudio(uint8 Index, Sink sink)
{
AUD_DEBUG(("AudioA2dpRoute Index[%x] Sink[%x]\n", Index , (uint16) sink )) ;
/* ensure sink is valid before attempting the connection */
if(sink)
{
/* Use an instance of A2DP message structure for initial volume setting */
AUDIO_PLUGIN_SET_VOLUME_A2DP_MSG_T volumeInitAudio;
a2dp_codec_settings * codec_settings;
AUD_DEBUG(("AudioA2dpRoute Index[%d] DevId[%x]\n", Index , theSink.a2dp_link_data->device_id[Index] )) ;
/* get the rate information for connection */
codec_settings = A2dpCodecGetSettings(theSink.a2dp_link_data->device_id[Index], theSink.a2dp_link_data->stream_id[Index]);
/* ensure stream is valid */
if(codec_settings)
{
AUDIO_MODE_T mode = AUDIO_MODE_CONNECTED;
int16 a2dp_gain_dB;
/* determine additional features applicable for this audio plugin */
/* Volume info is sent to DSP in dB units */
a2dp_gain_dB = VolumeConvertStepsToDB(theSink.volume_levels->a2dp_volume[Index].masterVolume, &theSink.conf1->volume_config.volume_control_config, DSP_DB_SCALE);
/* check for MUTE volume level and mute as appropriate */
if (theSink.volume_levels->a2dp_volume[Index].masterVolume == VOLUME_A2DP_MUTE_GAIN)
{
mode = AUDIO_MODE_MUTE_SPEAKER;
}
/* initialise the AudioConnect extra parameters required to pass in additional codec information */
if (codec_settings->codecData.latency_reporting) /* latency reporting retrieved from a2dp library */
{
/* TODO: obtain settings from PS, probably based on codec type */
theSink.a2dp_link_data->a2dp_audio_connect_params.latency.last = 150;
theSink.a2dp_link_data->a2dp_audio_connect_params.latency.target = 150/5;
theSink.a2dp_link_data->a2dp_audio_connect_params.latency.change = 10/5;
theSink.a2dp_link_data->a2dp_audio_connect_params.latency.period = 500/100;
}
theSink.a2dp_link_data->a2dp_audio_connect_params.packet_size = codec_settings->codecData.packet_size; /* Packet size retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.content_protection = codec_settings->codecData.content_protection; /* content protection retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.clock_mismatch = theSink.a2dp_link_data->clockMismatchRate[Index]; /* clock mismatch rate for this device */
theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params = &theSink.a2dp_link_data->a2dp_audio_mode_params; /* EQ mode and Audio enhancements */
#ifdef INCLUDE_A2DP_EXTRA_CODECS
#ifdef INCLUDE_FASTSTREAM
theSink.a2dp_link_data->a2dp_audio_connect_params.voice_rate = codec_settings->codecData.voice_rate; /* voice rate retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.bitpool = codec_settings->codecData.bitpool; /* bitpool retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.format = codec_settings->codecData.format; /* format retrieved from a2dp library */
#endif
#ifdef INCLUDE_APTX
theSink.a2dp_link_data->a2dp_audio_connect_params.channel_mode = codec_settings->channel_mode; /* aptX channel mode */
#endif
#ifdef INCLUDE_APTX_ACL_SPRINT
theSink.a2dp_link_data->a2dp_audio_connect_params.aptx_sprint_params = codec_settings->codecData.aptx_sprint_params; /* aptX LL params */
#endif
#endif
#ifdef ENABLE_SOUNDBAR
theSink.a2dp_link_data->seid[Index] = codec_settings->seid;
#endif /* ENABLE_SOUNDBAR */
#ifdef ENABLE_SUBWOOFER
/* set the sub woofer link type prior to passing to audio connect */
theSink.a2dp_link_data->a2dp_audio_connect_params.sub_woofer_type = AUDIO_SUB_WOOFER_NONE;
theSink.a2dp_link_data->a2dp_audio_connect_params.sub_sink = NULL;
/* bits inverted in dsp plugin */
sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,TRUE);
#else
/* no subwoofer support, set the sub woofer bypass bit in music config message sent o dsp */
sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,FALSE);
#endif
AUD_DEBUG(("AudioA2dpRoute Index[%d] DevId[%x] Gain[%x] Codec[%x] ClkMismatch[%x] EQ[%x] packet_size[%u]\n",
Index ,
theSink.a2dp_link_data->device_id[Index],
a2dp_gain_dB,
codec_settings->seid,
theSink.a2dp_link_data->a2dp_audio_connect_params.clock_mismatch,
(uint16)theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params,
theSink.a2dp_link_data->a2dp_audio_connect_params.packet_size)) ;
audioIndicateCodec( codec_settings->seid );
#ifdef ENABLE_SOUNDBAR
/* Set the LE SCAN priority to Low since we are Streaming It is possible
that we might be receiving less or no LE adverts when streaming is in progress*/
InquirySetPriority(inquiry_low_priority);
#endif /* ENABLE_SOUNDBAR */
/* We need to set A2DP volume info as the audio is in mute state after connection */
volumeInitAudio.volume_type = theSink.conf1->volume_config.volume_control_config.volume_type;
volumeInitAudio.codec_task = theSink.codec_task;
volumeInitAudio.master_gain = a2dp_gain_dB;
volumeInitAudio.system_gain = theSink.conf1->volume_config.volume_control_config.system_volume;
volumeInitAudio.trim_gain_left = theSink.conf1->volume_config.volume_control_config.trim_volume_left;
volumeInitAudio.trim_gain_right= theSink.conf1->volume_config.volume_control_config.trim_volume_right;
volumeInitAudio.device_trim_master = theSink.conf1->volume_config.volume_control_config.device_trim_master;
volumeInitAudio.device_trim_slave = theSink.conf1->volume_config.volume_control_config.device_trim_slave;
volumeInitAudio.tones_gain = VolumeConvertStepsToDB(((TonesGetToneVolume(FALSE) * theSink.conf1->volume_config.volume_control_config.no_of_steps)/VOLUME_NUM_VOICE_STEPS), &theSink.conf1->volume_config.volume_control_config, DSP_DB_SCALE);
volumeInitAudio.mute_active = theSink.sink_enable_present;
/* connect the audio via the audio plugin */
AudioConnect(getA2dpPlugin(codec_settings->seid),
sink ,
AUDIO_SINK_AV ,
theSink.codec_task,
volumeInitAudio.tones_gain,
codec_settings->rate,
theSink.conf2->audio_routing_data.PluginFeatures ,
mode,
AUDIO_ROUTE_INTERNAL,
powerManagerGetLBIPM(),
&theSink.a2dp_link_data->a2dp_audio_connect_params,
FALSE,
&theSink.task);
AudioSetVolumeA2DP(&volumeInitAudio);
#ifdef ENABLE_SUBWOOFER
/* set subwoofer volume level */
updateSwatVolume(theSink.volume_levels->a2dp_volume[Index].masterVolume);
SWAT_DEBUG(("SW : Send sample rate to Sub, rate is %ld\n",codec_settings->rate));
/* send sample rate to sub */
sendSampleRateToSub(codec_settings->rate);
#endif
audioControlLowPowerCodecs (FALSE) ;
/* caller responsible for freeing memory */
freePanic(codec_settings);
#ifdef ENABLE_AVRCP
if(theSink.features.avrcp_enabled)
{
UpdateAvrpcMessage_t * lUpdateMessage = mallocPanic ( sizeof(UpdateAvrpcMessage_t) ) ;
lUpdateMessage->bd_addr = theSink.a2dp_link_data->bd_addr[Index];
/* any AVRCP commands should be targeted to the device which has A2DP audio routed */
MessageSend( &theSink.task, EventSysSetActiveAvrcpConnection, lUpdateMessage);
}
#endif
}
/* update the current sink being routed */
theSink.routed_audio = sink;
}
}
/****************************************************************************
NAME
A2dpRouteAudio
DESCRIPTION
attempt to connect an audio connection from a2dp device via the passed in
deviceID
RETURNS
*/
void A2dpRouteAudio(uint8 Index, Sink sink)
{
AUD_DEBUG(("AudioA2dpRoute Index[%x] Sink[%x]\n", Index , (uint16) sink )) ;
/* ensure sink is valid before attempting the connection */
if(sink)
{
a2dp_codec_settings * codec_settings;
AUD_DEBUG(("AudioA2dpRoute Index[%d] DevId[%x]\n", Index , theSink.a2dp_link_data->device_id[Index] )) ;
/* get the rate information for connection */
codec_settings = A2dpCodecGetSettings(theSink.a2dp_link_data->device_id[Index], theSink.a2dp_link_data->stream_id[Index]);
/* ensure stream is valid */
if(codec_settings)
{
AudioPluginFeatures features;
AUDIO_MODE_T mode = AUDIO_MODE_CONNECTED;
uint16 a2dp_gain = theSink.conf1->gVolMaps[ theSink.a2dp_link_data->gAvVolumeLevel[Index] ].A2dpGain;
/* determine additional features applicable for this audio plugin */
features.stereo = theSink.features.stereo;
features.use_i2s_output = theSink.features.UseI2SOutputCapability;
if (theSink.conf1->gVolMaps[ theSink.a2dp_link_data->gAvVolumeLevel[Index] ].A2dpGain == VOLUME_A2DP_MUTE_GAIN)
{
mode = AUDIO_MODE_MUTE_SPEAKER;
}
else
{
/* must take off 1 when passing to audio plugin if not mute; 0 = MUTE, 1 = Gain 0, 2 = Gain 1, etc. */
a2dp_gain--;
}
/* initialise the AudioConnect extra parameters required to pass in additional codec information */
theSink.a2dp_link_data->a2dp_audio_connect_params.packet_size = codec_settings->codecData.packet_size; /* Packet size retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.content_protection = codec_settings->codecData.content_protection; /* content protection retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.clock_mismatch = theSink.a2dp_link_data->clockMismatchRate[Index]; /* clock mismatch rate for this device */
theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params = &theSink.a2dp_link_data->a2dp_audio_mode_params; /* EQ mode and Audio enhancements */
#ifdef INCLUDE_A2DP_EXTRA_CODECS
#ifdef INCLUDE_FASTSTREAM
theSink.a2dp_link_data->a2dp_audio_connect_params.voice_rate = codec_settings->codecData.voice_rate; /* voice rate retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.bitpool = codec_settings->codecData.bitpool; /* bitpool retrieved from a2dp library */
theSink.a2dp_link_data->a2dp_audio_connect_params.format = codec_settings->codecData.format; /* format retrieved from a2dp library */
#endif
#ifdef INCLUDE_APTX
theSink.a2dp_link_data->a2dp_audio_connect_params.channel_mode = codec_settings->channel_mode; /* aptX channel mode */
#endif
#ifdef INCLUDE_APTX_ACL_SPRINT
theSink.a2dp_link_data->a2dp_audio_connect_params.aptx_sprint_params = codec_settings->codecData.aptx_sprint_params; /* aptX LL params */
#endif
#endif
#ifdef ENABLE_SOUNDBAR
theSink.a2dp_link_data->seid[Index] = codec_settings->seid;
#endif /* ENABLE_SOUNDBAR */
#ifdef ENABLE_SUBWOOFER
/* set the sub woofer link type prior to passing to audio connect */
theSink.a2dp_link_data->a2dp_audio_connect_params.sub_woofer_type = AUDIO_SUB_WOOFER_NONE;
theSink.a2dp_link_data->a2dp_audio_connect_params.sub_sink = NULL;
/* bits inverted in dsp plugin */
sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,TRUE);
#else
/* no subwoofer support, set the sub woofer bypass bit in music config message sent o dsp */
sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,FALSE);
#endif
AUD_DEBUG(("AudioA2dpRoute Index[%d] DevId[%x] Gain[%x] Codec[%x] ClkMismatch[%x] EQ[%x] packet_size[%u]\n",
Index ,
theSink.a2dp_link_data->device_id[Index],
a2dp_gain,
codec_settings->seid,
theSink.a2dp_link_data->a2dp_audio_connect_params.clock_mismatch,
(uint16)theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params,
theSink.a2dp_link_data->a2dp_audio_connect_params.packet_size)) ;
audioIndicateCodec( codec_settings->seid );
#ifdef ENABLE_SOUNDBAR
/* Set the LE SCAN priority to Low since we are Streaming It is possible
that we might be receiving less or no LE adverts when streaming is in progress*/
InquirySetPriority(inquiry_low_priority);
#endif /* ENABLE_SOUNDBAR */
/* connect the audio via the audio plugin */
AudioConnect( getA2dpPlugin(codec_settings->seid),
sink ,
AUDIO_SINK_AV ,
theSink.codec_task,
a2dp_gain,
codec_settings->rate,
features ,
mode,
AUDIO_ROUTE_INTERNAL,
powerManagerGetLBIPM(),
&theSink.a2dp_link_data->a2dp_audio_connect_params,
&theSink.task);
audioControlLowPowerCodecs (FALSE) ;
/* caller responsible for freeing memory */
freePanic(codec_settings);
#ifdef ENABLE_AVRCP
if(theSink.features.avrcp_enabled)
{
/* any AVRCP commands should be targeted to the device which has A2DP audio routed */
sinkAvrcpSetActiveConnection(&theSink.a2dp_link_data->bd_addr[Index]);
}
#endif
}
/* update the current sink being routed */
theSink.routed_audio = sink;
}
}
/****************************************************************************
NAME
audio_a2dp_connect - Route A2DP audio
*/
void audio_a2dp_connect(Sink sink, uint16 device_id, uint16 stream_id)
{
uint8 bitpool;
uint8 bad_link_bitpool;
bool multiple_streams;
/* start audio active timer */
audio_start_active_timer();
/* remove any AGHFP audio */
audio_aghfp_disconnect();
AUDIO_DEBUG(("AUDIO: audio_a2dp_connect\n"));
if (theSource->audio_data.audio_routed == AUDIO_ROUTED_NONE)
{
theSource->audio_data.audio_a2dp_connect_params.input_source = usb_get_speaker_source(); /* Set the USB Source, not used for Analogue */
theSource->audio_data.audio_a2dp_connect_params.input_sink = usb_get_mic_sink(); /* Set the USB Sink, not used for Analogue */
theSource->audio_data.audio_a2dp_connect_params.a2dp_sink[device_id] = sink; /* Set the A2DP media Sink */
AUDIO_DEBUG((" audio_routed [%d] input_source [0x%x] input_sink [0x%x] a2dp_sink_0 [0x%x] a2dp_sink_1 [0x%x]\n",
theSource->audio_data.audio_routed,
(uint16)theSource->audio_data.audio_a2dp_connect_params.input_source,
(uint16)theSource->audio_data.audio_a2dp_connect_params.input_sink,
(uint16)theSource->audio_data.audio_a2dp_connect_params.a2dp_sink[0],
(uint16)theSource->audio_data.audio_a2dp_connect_params.a2dp_sink[1]));
if (theSource->audio_data.audio_a2dp_connect_params.a2dp_sink[0] || theSource->audio_data.audio_a2dp_connect_params.a2dp_sink[1])
{
AudioPluginFeatures features = {0,0,0}; /* no stereo or i2s output */
a2dp_codec_settings *codec_settings = A2dpCodecGetSettings(device_id, stream_id);
if (codec_settings)
{
AUDIO_DEBUG((" codec ; voice_rate[0x%lx] packet_size[0x%x] bitpool[0x%x] format[0x%x] CP[0x%x]\n",
codec_settings->codecData.voice_rate,
codec_settings->codecData.packet_size,
codec_settings->codecData.bitpool,
codec_settings->codecData.format,
codec_settings->codecData.content_protection
));
theSource->audio_data.audio_a2dp_connect_params.rate = codec_settings->codecData.voice_rate;
theSource->audio_data.audio_a2dp_connect_params.packet_size = codec_settings->codecData.packet_size;
if (a2dp_get_sbc_bitpool(&bitpool, &bad_link_bitpool, &multiple_streams))
{
theSource->audio_data.audio_a2dp_connect_params.bitpool = bitpool;
theSource->audio_data.audio_a2dp_connect_params.bad_link_bitpool = bad_link_bitpool;
}
else
{
theSource->audio_data.audio_a2dp_connect_params.bitpool = codec_settings->codecData.bitpool;
}
theSource->audio_data.audio_a2dp_connect_params.format = codec_settings->codecData.format;
theSource->audio_data.audio_a2dp_mode_params.eq_mode = theSource->volume_data.eq_index;
theSource->audio_data.audio_a2dp_connect_params.mode = &theSource->audio_data.audio_a2dp_mode_params;
/* turn on content protection if negotiated */
theSource->audio_data.audio_a2dp_connect_params.content_protection = codec_settings->codecData.content_protection;
/* remember if the remote device supports bidirectional audio, i.e. has a MIC back channel */
theSource->audio_data.audio_remote_bidir_support = audio_is_bidir_supported(codec_settings) ? 1 : 0;
theSource->audio_data.audio_routed = AUDIO_ROUTED_A2DP;
audio_a2dp_get_plugin();
AudioConnect(audio_a2dp_get_plugin(),
0,
AUDIO_SINK_AV,
theSource->codec,
/*a2dp_gain*/10,
codec_settings->rate,
features, /* stereo supported, no i2s output */
volume_get_mute_mode(),
AUDIO_ROUTE_INTERNAL,
/*power*/0,
&theSource->audio_data.audio_a2dp_connect_params,
&theSource->audioTask);
/* free the codec_settings memory that the A2DP library allocated */
memory_free(codec_settings);
}
}
}
else if (theSource->audio_data.audio_routed == AUDIO_ROUTED_A2DP)
{
/* connecting additional A2DP device */
theSource->audio_data.audio_a2dp_connect_params.a2dp_sink[device_id] = sink;
theSource->audio_data.audio_a2dp_mode_params.connect_sink = sink;
if (a2dp_get_sbc_bitpool(&bitpool, &bad_link_bitpool, &multiple_streams))
{
theSource->audio_data.audio_a2dp_mode_params.bitpool = bitpool;
theSource->audio_data.audio_a2dp_mode_params.bad_link_bitpool = bad_link_bitpool;
}
AUDIO_DEBUG((" audio_routed [%d] connect_sink [0x%x] bitpool [%d] bad_link_bitpool [%d]\n",
theSource->audio_data.audio_routed,
(uint16)sink,
bitpool,
bad_link_bitpool));
audio_update_mode_parameters();
}
}
