Esempio n. 1
0
/****************************************************************************
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;
    }
}
Esempio n. 2
0
/****************************************************************************
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;
    }
}