At Tue, 13 Nov 2007 05:43:37 +0000, wrote: > > > Hi All: > im using aplay from ALSA-1.0.15 to play music through bluetooth a2dp. im using montavista 2.6.18 on ARM9 platform. > I got an "aplay: xrun:1104: read/write error, state = RUNNING" error after the music has been played for one second or two. Could someone tell me how this happened? It implies that the write returns -EPIPE that indicates XRUN, but the state is still set as RUNNING. Something is inconsistent in the plugin, I guess. Takashi > Here's the command that i use : > > aplay -v -D bluetooth /1.wav > > > And the message log is as follows: > > /$ aplay -v -D bluetooth /1.wav > > audio[842]: Accepted new client connection on unix socket (fd=8) > audio[842]: Package PKT_TYPE_CFG_REQ:0 > audio[842]: avdtp_ref(0x3c990): ref=2 > audio[842]: a2dp_source_request_stream: selected SEP 0x3c218 > audio[842]: avdtp_ref(0x3c990): ref=3 > hcid[828]: link_key_request (sba=00:80:E1:00:AB:BA, dba=00:0D:3C:EB:53:F0) > audio[842]: AVDTP: connected signaling channel to 00:0D:3C:EB:53:F0 > audio[842]: session_cb > audio[842]: DISCOVER request succeeded > audio[842]: seid 1 type 1 media 0 in use 0 > audio[842]: seid 2 type 1 media 0 in use 0 > audio[842]: session_cb > audio[842]: GET_CAPABILITIES request succeeded > audio[842]: seid 1 type 1 media 0 > hcid[828]: link_key_request (sba=00:80:E1:00:AB:BA, dba=00:0D:3C:EB:53:F0) > hcid[828]: link_key_request (sba=00:80:E1:00:AB:BA, dba=00:0D:3C:EB:53:F0) > audio[842]: session_cb > audio[842]: GET_CAPABILITIES request succeeded > audio[842]: seid 2 type 1 media 0 > audio[842]: Discovery complete > audio[842]: avdtp_set_configuration(0x3c990): int_seid=1, acp_seid=1 > audio[842]: session_cb > audio[842]: SET_CONFIGURATION request succeeded > audio[842]: SBC Source: Set_Configuration_Cfm > audio[842]: avdtp_ref(0x3c990): ref=4 > audio[842]: stream state changed: IDLE -> CONFIGURED > audio[842]: session_cb > audio[842]: OPEN request succeeded > audio[842]: stream state changed: CONFIGURED -> OPEN > audio[842]: AVDTP: connected transport channel to 00:0D:3C:EB:53:F0 > audio[842]: SBC Source: Open_Cfm > audio[842]: session_cb > audio[842]: START request succeeded > audio[842]: SBC Source: Start_Cfm > audio[842]: SBC Source SEP 0x3c218 locked > audio[842]: fd=10, fd_opt=1, pkt_len=672, sample_size=2, rate=44100 > audio[842]: 34 bytes sent > audio[842]: 1 bytes sent > audio[842]: avdtp_unref(0x3c990): ref=3 > audio[842]: stream state changed: OPEN -> STREAMING > Playing WAVE '/1.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo > Bluetooth Audio Device > Its setup is: > stream : PLAYBACK > access : RW_INTERLEAVED > format : S16_LE > subformat : STD > channels : 2 > rate : 44100 > exact rate : 44100 (44100/1) > msbits : 16 > buffer_size : 6400 > period_size : 128 > period_time : 2902 > tick_time : 0 > tstamp_mode : NONE > period_step : 1 > sleep_min : 0 > avail_min : 128 > xfer_align : 128 > start_threshold : 6400 > stop_threshold : 6400 > silence_threshold: 0 > silence_size : 0 > boundary : 1677721600 > hcid[828]: link_key_request (sba=00:80:E1:00:AB:BA, dba=00:0D:3C:EB:53:F0) > Status(R/W): > state : RUNNING > trigger_time: 24.586883000 > tstamp : 0.000000 > delay : 0 > avail : 6912 > avail_max : 6912 > aplay: xrun:1104: read/write error, state = RUNNING ---------------->>>>> this is where this error happens > audio[842]: Unix client disconnected (fd=8) > audio[842]: SBC Source SEP 0x3c218 unlocked > audio[842]: avdtp_unref(0x3c990): ref=2 > > > > thanks > > > semiyd > > > > _________________________________________________________________ > Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy! > http://spaces.live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx&mkt=en-us > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
