[Asterisk-video] mp4play display video but no audio, help!

[Klaus Darilion]

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
> 
> 
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