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

Klaus Darilion klaus.mailinglists at pernau.at
Wed Mar 3 05:32:03 CST 2010


https://asteriskvideo.svn.sourceforge.net/svnroot/asteriskvideo/amr/

Am 03.03.2010 12:04, schrieb Wang Tony:
> Hello Kiaus, thanks for our prompt reply.
> 
> How to do that? Would you please advise the command or steps for that? 
> Million thanks!
> 
> Best Regard
> Tony Wang
> 
>  > Date: Wed, 3 Mar 2010 10:49:28 +0100
>  > From: klaus.mailinglists at pernau.at
>  > To: asterisk-video at lists.digium.com
>  > CC: tonywang5671 at hotmail.com
>  > Subject: Re: [Asterisk-video] mp4play display video but no audio, help!
>  >
>  > 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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>  > >
> 
> ------------------------------------------------------------------------
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