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Type: Posts; User: Erik

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  1. Replies
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    Hi Mayank, OpenMAX AL is a stream control...

    Hi Mayank,

    OpenMAX AL is a stream control layer. It's purpose is to say when the stream should flow and when it should stop. OpenMAX AL does not instruct the underlying implementation of when that...
  2. I can't answer specifics about the Android...

    I can't answer specifics about the Android implementation as I am not an Android developer. Typically there are a lot of different components that go into the development of an audio system. To get...
  3. Hi Reinhard, OpenSL ES does not mandate any...

    Hi Reinhard,

    OpenSL ES does not mandate any specific techniques for how the functionality is implemented. Remember that Khronos only provides the OpenSL ES API - it is up to the device or system...
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    Hi Bitfield, Sorry for the delay. I've been on...

    Hi Bitfield,

    Sorry for the delay. I've been on travel.



    For the first part: I don't the difference between the two versions of Android, but if you are getting different results on two...
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    This is possible to some degree. It does depend...

    This is possible to some degree. It does depend on which effects the particular device support. Rate and pitch are only available during playback, not recording. Reverb is applied using an output mix...
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    Hi Bitfield, I know Glenn. He's one of the...

    Hi Bitfield,

    I know Glenn. He's one of the most knowledgeable people when it comes to the Android OpenSL ES implementation.

    We had a member test the original example code from the Android NDK...
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    Hi Bitfield, I wanted to give you an update:...

    Hi Bitfield,

    I wanted to give you an update:
    We have reviewed your code and can't find anything obviously wrong. One of our members have offered to dig deeper into it, but he will be doing that...
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    Bitfield, Which version of Android are you...

    Bitfield,

    Which version of Android are you using on these devices? I asked the working group to help take a look at it to see if they can see what's happening.
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    Bitfield, I suggest you look at the example...

    Bitfield,

    I suggest you look at the example code in B.6.1 Environmental Reverb in the 1.0.1 spec for an example of how to use SLEffectSendItf. Since you mentioned you first tried with...
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    Bitfield, I noticed you aren't using the...

    Bitfield,

    I noticed you aren't using the SLEffectSendItf interface on the player. SLEffectSendItf controls how much an effect from a player contributes to the overall audio chain. See section 8.16...
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    Bitfield, Without seeing the code in question...

    Bitfield,

    Without seeing the code in question it's hard to say why it is failing. The code snippet I provided has been successfully tested on a conformant implementation and worked, but I haven't...
  12. Thread: BassBoost Effect

    by Erik
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    Hi Bitfield, Unfortunately at this point in...

    Hi Bitfield,

    Unfortunately at this point in time Android does not use a conformant implementation of OpenSL ES, so the behavior may not be correct according to the OpenSL ES specification. Please...
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    Hi Bitfield, I am assuming that you've read...

    Hi Bitfield,

    I am assuming that you've read sections 4.5.1 and 8.13 of the (OpenSL ES 1.1) specification . Using the BassBoostItf is fairly straight forward.

    The SLBassBoost interface is an...
  14. Hi Alex, Thank you for using OpenSL ES. Yes,...

    Hi Alex,

    Thank you for using OpenSL ES. Yes, this is the correct place to ask your question.

    When you look at audio profiles such as music, movie, news, etc., those are usually defined either...
  15. Re: How to implement an Equalizer which has more bands than

    Hi shengqishifeng,

    The number of equalizer bands available for control is retrieved using SLEqualizerItf->GetNumberOfBands(). Since the equalizer controls are a function of how the audio subsystem...
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    Re: Error GetDuration is XA_TIME_UNKNOWN!!!!

    This may be an implementation specific error. Are you reading the file from a local file system or from a streaming source. If the source is streaming, then there may be no way for the implementation...
  17. Re: Can OpenMAX AL be used as a complete replacement 4 GStre

    Hi John,

    Essentially that is correct. GStreamer is a multimedia framework that gets integrated into an operating system or middleware. I don't know if it can be run as a stand alone application....
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    Re: Streaming media files

    Hi Iedoc,
    What you are trying to do will depend on both the streaming server and the implementation. Some servers have the streaming controls play, pause, etc. at the server, and some allow you to...
  19. Re: Can OpenMAX AL be used as a complete replacement 4 GStre

    Hi John,

    First of all, it is important to note that GStreamer is a multimedia framework and OpenMAX AL is an API. That means that for GStreamer the functionality can be changed to suit any given...
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    Re: Clarification on Content Pipe Implementation

    Hi andrewcoopergarmin,

    OpenMAX AL (and OpenSL ES and OpenMAX IL) are effectively “clients” or users of the Content Pipe Interface. In the case of AL, the media object uses the content pipe...
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    Re: openSL ES and ALSA

    Hi Positron,

    You are correct that ALSA is not a specification or standard. It is defined by the code itself, which also means that anybody who implements ALSA is free to change it to suit their...
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    Re: OpenMAX AL DTV sample implementation

    Hi Francois,

    Thanks for your feedback.

    There is currently no sample implementation available. If you would like to do an open source implementation, please post a link to it so that others can...
  23. Thread: WebSL

    by Erik
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    Re: WebSL

    Hi Tbop,

    I will refer you to the thread: WebSL...we need it...urgently! where this topic was discussed previously.

    We have currently not made any public announcements with regards to WebSL.
    ...
  24. Thread: Hello from Korea

    by Erik
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    Re: Hello from Korea

    Hi kyw920,

    The first part (Part 1) of the specification gives you an overview of the over all design of OpenSL ES. In addition, there is sample code in the appendices of the specification....
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    Re: geo tagging feature

    Hi Sachin,

    You have not missed anything. There is currently no geo location feature in XACameraCapabilitiesItf. We appreciate your feedback.

    Best,

    Erik
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