Have you patched Asterisk with the AMR codec? klaus
Am 03.03.2010 02:02, schrieb Wang Tony: > Hello all, I am new to try app_mp4 at Asterisk & Ubuntu 8.04. > > I try to use mp4play to play a file, welcome.3gp at Asterisk v.14.21.1 > by xlite. The video display well on xlite but there is no audio. > > I found bellow message ar Asterisk console > > [Mar 3 08:53:02] WARNING[5920]: channel.c:2781 set_format: Unable to > find a codec translation path from unknown to amr > [Mar 3 08:53:02] WARNING[5920]: app_mp4.c:564 mp4_play: mp4_play: Unable > to set write format to AMR-NB! > [Mar 3 08:53:02] WARNING[5920]: chan_sip.c:3707 sip_write: Asked to > transmit frame type 8192, while native formats is 0x4 (ulaw)(4) > read/write = 0x4 (ulaw)(4)/0x4 (ulaw)(4) > [Mar 3 08:53:02] WARNING[5920]: chan_sip.c:3707 sip_write: Asked to > transmit frame type 8192, while native formats is 0x4 (ulaw)(4) > read/write = 0x4 (ulaw)(4)/0x4 (ulaw)(4) > [Mar 3 08:53:02] WARNING[5920]: chan_sip.c:3707 sip_write: Asked to > transmit frame type 8192, while native formats is 0x4 (ulaw)(4) > read/write = 0x4 (ulaw)(4)/0x4 (ulaw)(4) > > The result of mp4info of welcome.3gp is bellow > > # mp4info welcome.3gp > mp4info version 1.5.0.1 > welcome.3gp: > Track Type Info > 201 video H.263, 3.640 secs, 27 kbps, 176x144 @ 10.164835 fps > 65335 hint Payload H263-2000 for track 201 > 101 audio AMR, 3.640 secs, 13 kbps, 8000 Hz > 65435 hint Payload AMR for track 101 > 1 od Object Descriptors > 2 scene BIFS > > The result of codecs in Asterisk is bellow. It seems Asterisk have > enabled amrnb > > core show codecs > Disclaimer: this command is for informational purposes only. > It does not indicate anything about your configuration. > INT BINARY HEX TYPE NAME DESC > -------------------------------------------------------------------------------- > 1 (1 << 0) (0x1) audio g723 (G.723.1) > 2 (1 << 1) (0x2) audio gsm (GSM) > 4 (1 << 2) (0x4) audio ulaw (G.711 u-law) > 8 (1 << 3) (0x8) audio alaw (G.711 A-law) > 16 (1 << 4) (0x10) audio g726aal2 (G.726 AAL2) > 32 (1 << 5) (0x20) audio adpcm (ADPCM) > 64 (1 << 6) (0x40) audio slin (16 bit Signed Linear PCM) > 128 (1 << 7) (0x80) audio lpc10 (LPC10) > 256 (1 << 8) (0x100) audio g729 (G.729A) > 512 (1 << 9) (0x200) audio speex (SpeeX) > 1024 (1 << 10) (0x400) audio ilbc (iLBC) > 2048 (1 << 11) (0x800) audio g726 (G.726 RFC3551) > 4096 (1 << 12) (0x1000) audio g722 (G722) > 8192 (1 << 13) (0x2000) audio amr (AMR NB) > 65536 (1 << 16) (0x10000) image jpeg (JPEG image) > 131072 (1 << 17) (0x20000) image png (PNG image) > 262144 (1 << 18) (0x40000) video h261 (H.261 Video) > 524288 (1 << 19) (0x80000) video h263 (H.263 Video) > 1048576 (1 << 20) (0x100000) video h263p (H.263+ Video) > 2097152 (1 << 21) (0x200000) video h264 (H.264 Video) > > Any idea? Million thanks for help! > > Best Regard > Tony Wang > > > ------------------------------------------------------------------------ > 除了電子信箱，還有許多有用的功能。快來使用免費的 Windows Live Hotmail。 > 馬上註冊 <https://signup.live.com/signup.aspx?id=60969> > -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-video mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-video
