Hi, is there any way to enable mod_amr with transcoding for testing purposes ? maybe with opencore-amr ? thanks
What exactly would you be 'testing' though? There's no licensed version of the module available yet.
From the Wiki: Licensing is being worked on and FreeSWITCH™ may be able to offer licensing terms in the future for this module.
If you're interested in a transcoding version of the AMR codec for production use I'd suggest you contact the core developers to either put your name down for how many licenses you'd be interested in, or raise a bounty (like happened with G729). -Steve On 14 January 2013 13:04, Luis Azedo <luis.azedo@factorlusitano.com> wrote:
Hi, is there any way to enable mod_amr with transcoding for testing purposes ? maybe with opencore-amr ? thanks
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Licensing for that pool last we looked was a bit of a mess IIRC. We will need a lot of interest to consider pursuing this. That all being said, the module in tree is complete module code, just requires the library. Makefile: AMR_DIR=$(switch_srcdir)/libs/amr AMR_BUILDDIR=$(switch_builddir)/libs/amr AMR_A=$(AMR_BUILDDIR)/libamr.a LOCAL_INSERT_CFLAGS=if test -d $(AMR_DIR); then echo "-I$(AMR_DIR)" ; else echo "-DAMR_PASSTHROUGH" ; fi ; LOCAL_INSERT_LDFLAGS=test ! -d $(AMR_DIR) || echo "$(AMR_A)"; if you put the correct lib in libs/amr and build it then build the module, it should work. your looking for a lib with these header files: #include "interf_enc.h" #include "interf_dec.h" we do not distribute or provide any licensing for this library, so you will need to arrange that on your own. Mike On Jan 14, 2013, at 10:14 AM, Steven Ayre <steveayre@gmail.com> wrote:
What exactly would you be 'testing' though? There's no licensed version of the module available yet.
From the Wiki: Licensing is being worked on and FreeSWITCH™ may be able to offer licensing terms in the future for this module.
If you're interested in a transcoding version of the AMR codec for production use I'd suggest you contact the core developers to either put your name down for how many licenses you'd be interested in, or raise a bounty (like happened with G729).
-Steve
On 14 January 2013 13:04, Luis Azedo <luis.azedo@factorlusitano.com> wrote: Hi, is there any way to enable mod_amr with transcoding for testing purposes ? maybe with opencore-amr ? thanks
An alternative is mod_sangoma_codec, which supports AMR. This is the module to interface with a transcoding hardware card made by Sangoma, which implements several codecs including licensed ones such as AMR, G729 etc. The license cost is included in the cost of the hardware itself. The transcoding is done on the card itself, offloading that processing from the CPU. Since mod_amr licenses don't exist yet, that's probably your only legal option for AMR transcoding in FreeSWITCH right now. With a bit of research you can (quite easily) find the AMR library mod_amr is designed for from the headers Mike mentioned, but you won't get any help from the community finding, implementing or debugging it due to the legal issues surrounding doing so. As for testing with mod_amr... testing one codec implementation tells you exactly nothing about a different implementation. If you plan to test transcoding AMR you *need* to test with the implementation you will use in production to get any meaningful results. Which won't be mod_amr. Suffice to say transcoding in FreeSWITCH works very well, providing the in/out codecs are supported. -Steve On 14 January 2013 16:45, Michael Jerris <mike@jerris.com> wrote:
Licensing for that pool last we looked was a bit of a mess IIRC. We will need a lot of interest to consider pursuing this. That all being said, the module in tree is complete module code, just requires the library.
Makefile: AMR_DIR=$(switch_srcdir)/libs/amr AMR_BUILDDIR=$(switch_builddir)/libs/amr AMR_A=$(AMR_BUILDDIR)/libamr.a
LOCAL_INSERT_CFLAGS=if test -d $(AMR_DIR); then echo "-I$(AMR_DIR)" ; else echo "-DAMR_PASSTHROUGH" ; fi ; LOCAL_INSERT_LDFLAGS=test ! -d $(AMR_DIR) || echo "$(AMR_A)";
if you put the correct lib in libs/amr and build it then build the module, it should work.
your looking for a lib with these header files:
#include "interf_enc.h"
#include "interf_dec.h"
we do not distribute or provide any licensing for this library, so you will need to arrange that on your own.
Mike
On Jan 14, 2013, at 10:14 AM, Steven Ayre <steveayre@gmail.com> wrote:
What exactly would you be 'testing' though? There's no licensed version of the module available yet.
From the Wiki: Licensing is being worked on and FreeSWITCH™ may be able to offer licensing terms in the future for this module.
If you're interested in a transcoding version of the AMR codec for production use I'd suggest you contact the core developers to either put your name down for how many licenses you'd be interested in, or raise a bounty (like happened with G729).
-Steve
On 14 January 2013 13:04, Luis Azedo <luis.azedo@factorlusitano.com>wrote:
Hi, is there any way to enable mod_amr with transcoding for testing purposes ? maybe with opencore-amr ? thanks
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IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation). AFAIK mod_sangoma_codec is no more legal than libamr. On Mon, Jan 14, 2013 at 12:40 PM, Steven Ayre <steveayre@gmail.com> wrote:
An alternative is mod_sangoma_codec, which supports AMR.
This is the module to interface with a transcoding hardware card made by Sangoma, which implements several codecs including licensed ones such as AMR, G729 etc. The license cost is included in the cost of the hardware itself. The transcoding is done on the card itself, offloading that processing from the CPU.
Since mod_amr licenses don't exist yet, that's probably your only legal option for AMR transcoding in FreeSWITCH right now.
With a bit of research you can (quite easily) find the AMR library mod_amr is designed for from the headers Mike mentioned, but you won't get any help from the community finding, implementing or debugging it due to the legal issues surrounding doing so.
As for testing with mod_amr... testing one codec implementation tells you exactly nothing about a different implementation. If you plan to test transcoding AMR you *need* to test with the implementation you will use in production to get any meaningful results. Which won't be mod_amr.
Suffice to say transcoding in FreeSWITCH works very well, providing the in/out codecs are supported.
-Steve
On 14 January 2013 16:45, Michael Jerris <mike@jerris.com> wrote:
Licensing for that pool last we looked was a bit of a mess IIRC. We will need a lot of interest to consider pursuing this. That all being said, the module in tree is complete module code, just requires the library.
Makefile: AMR_DIR=$(switch_srcdir)/libs/amr AMR_BUILDDIR=$(switch_builddir)/libs/amr AMR_A=$(AMR_BUILDDIR)/libamr.a
LOCAL_INSERT_CFLAGS=if test -d $(AMR_DIR); then echo "-I$(AMR_DIR)" ; else echo "-DAMR_PASSTHROUGH" ; fi ; LOCAL_INSERT_LDFLAGS=test ! -d $(AMR_DIR) || echo "$(AMR_A)";
if you put the correct lib in libs/amr and build it then build the module, it should work.
your looking for a lib with these header files:
#include "interf_enc.h" #include "interf_dec.h"
we do not distribute or provide any licensing for this library, so you will need to arrange that on your own.
Mike
On Jan 14, 2013, at 10:14 AM, Steven Ayre <steveayre@gmail.com> wrote:
What exactly would you be 'testing' though? There's no licensed version of the module available yet.
From the Wiki: Licensing is being worked on and FreeSWITCH™ may be able to offer licensing terms in the future for this module.
If you're interested in a transcoding version of the AMR codec for production use I'd suggest you contact the core developers to either put your name down for how many licenses you'd be interested in, or raise a bounty (like happened with G729).
-Steve
On 14 January 2013 13:04, Luis Azedo <luis.azedo@factorlusitano.com> wrote:
Hi, is there any way to enable mod_amr with transcoding for testing purposes ? maybe with opencore-amr ? thanks
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"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h... On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
Ah, damn you're right Kristian! The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page: "Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp." :( In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation... I guess this is due to the same patent pool mess Mike mentioned? -Steve On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h...
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
My understanding is that AMR licensing is even more ridiculous than G729. On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h...
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
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Actually its crazy rediculous... Companies like Sangoma cant even license it. That requirement for integrators isnt sangoma's, its VoiceAge's requirement On 1/14/13 2:57 PM, "Kristian Kielhofner" <kris@kriskinc.com> wrote:
My understanding is that AMR licensing is even more ridiculous than G729.
On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h tml
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
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Bummer. Now we need to start collecting some appropriate backronyms for "AMR" and "AMR-WB". -MC On Mon, Jan 14, 2013 at 1:10 PM, Ken Rice <krice@freeswitch.org> wrote:
Actually its crazy rediculous... Companies like Sangoma cant even license it. That requirement for integrators isnt sangoma's, its VoiceAge's requirement
On 1/14/13 2:57 PM, "Kristian Kielhofner" <kris@kriskinc.com> wrote:
My understanding is that AMR licensing is even more ridiculous than G729.
On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source:
http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h
tml
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
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In that case the same issue would go for FreeSWITCH too...? I guess that's why mod_amr is still passthrough-only despite all the fantastic work that was put into mod_com_g729, otherwise it presumable would have been very easy to have the same license server code reused for AMR. -Steve On 14 January 2013 21:10, Ken Rice <krice@freeswitch.org> wrote:
Actually its crazy rediculous... Companies like Sangoma cant even license it. That requirement for integrators isnt sangoma's, its VoiceAge's requirement
On 1/14/13 2:57 PM, "Kristian Kielhofner" <kris@kriskinc.com> wrote:
My understanding is that AMR licensing is even more ridiculous than G729.
On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h tml
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
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It's more like they want to make money off of big settlements rather than licensing it out. On Jan 14, 2013 1:13 PM, "Ken Rice" <krice@freeswitch.org> wrote:
Actually its crazy rediculous... Companies like Sangoma cant even license it. That requirement for integrators isnt sangoma's, its VoiceAge's requirement
On 1/14/13 2:57 PM, "Kristian Kielhofner" <kris@kriskinc.com> wrote:
My understanding is that AMR licensing is even more ridiculous than G729.
On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source:
http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h
tml
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
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There isn't really anything ridiculous about the licencing of G.729. It may be annoying, but its pretty much the only encumbered codec where there is a reasonably well defined path for fairly small scale users to licence all the relevant patents (even if one or two do crawl out of the woodwork late in the day via letters from lawyers). G.723.1, AMR, AMR-WB, EVRC, GSM-HR, GSM-EFR, etc., are all a PITA to licence. Regards, Steve On 01/15/2013 04:57 AM, Kristian Kielhofner wrote:
My understanding is that AMR licensing is even more ridiculous than G729.
On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h...
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com
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Compared to free codecs any amount of licensing is ridiculous by comparison :). On Mon, Jan 14, 2013 at 6:35 PM, Steve Underwood <steveu@coppice.org> wrote:
There isn't really anything ridiculous about the licencing of G.729. It may be annoying, but its pretty much the only encumbered codec where there is a reasonably well defined path for fairly small scale users to licence all the relevant patents (even if one or two do crawl out of the woodwork late in the day via letters from lawyers). G.723.1, AMR, AMR-WB, EVRC, GSM-HR, GSM-EFR, etc., are all a PITA to licence.
Regards, Steve
On 01/15/2013 04:57 AM, Kristian Kielhofner wrote:
My understanding is that AMR licensing is even more ridiculous than G729.
On Mon, Jan 14, 2013 at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h...
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
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-- Kristian Kielhofner
I would NOT assume that the VoiceAge pool is complete. On Jan 14, 2013, at 3:39 PM, Steven Ayre <steveayre@gmail.com> wrote:
Ah, damn you're right Kristian!
The data sheet http://sangoma.com/assets/docs/datasheets/en/d100.pdf contains this footnode that is omitted from the web page:
"Except for AMR and AMR-WB. Integrators must clear patent license with VoiceAge Corp."
:(
In which case anyone obtaining licenses from VoiceAge Corp should be free to use them with any implementation...
I guess this is due to the same patent pool mess Mike mentioned?
-Steve
On 14 January 2013 20:34, Steven Ayre <steveayre@gmail.com> wrote:
"All codecs are fully indemnified; no additional licensing is required for their use." Source: http://sangoma.com/products/media_processing/voice_transcoding_boards/d150.h...
On 14 January 2013 19:58, Kristian Kielhofner <kris@kriskinc.com> wrote:
IIRC Sangoma doesn't provide licensing for AMR and AMR-WB (just the implementation).
AFAIK mod_sangoma_codec is no more legal than libamr.
participants (8)
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curriegrad2004
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Ken Rice
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Kristian Kielhofner
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Luis Azedo
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Michael Collins
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Michael Jerris
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Steve Underwood
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Steven Ayre