How do I use speex for Blackberry application ?
Is there any sample code available to refer ?
A common set of BlackBerry supported audio formats are AAC, AMR, AU, GSM, MP3, WAV, WMA.
Unfortunatly no audio/x-speex support.
See
BB KB DB-00497 - What Is - Supported audio formats
BB KB KB05482 - Media types supported on the BlackBerry smartphone
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I have integrated videojs in my website and there are mostly Mkv files to play in videojs. Now the concern is that iPhone is not playing Mkv videos and showing messages like "format not supported". If anyone has an idea regarding this issue or any alternative, please let me know.
HTML5 video has to be a format supported by the browser natively, or via media source extensions. MKV is not supported by iOS nor widely supported on desktop browsers - even if some play, others will not.
If you need a single video format, MP4/h.264/aac is the most widely supported format, but consider HLS for adaptive streaming.
I am having an audio URL link which I have to download in to a local filePath and play in my app.That audio URL is http://ci.thrymr.net:8082/file/get?fileid=58d0ce23030b28166b322b79 which is a .mpeg format file. Remaining formats like .mp3,.mp4,.m4a,.3gpp are working fine but .mpeg and x-wav audio formats are not playing in AVPlayer in my iOS objective-c Application.
You could look into the following Github project or simply use it licence is MIT
https://github.com/Viblast/ios-player-sdk for playing mpeg file.
Audio Playback and Recording Formats
The audio playback formats supported in iOS are the following:
AAC (AAC-LC)
HE-AAC (v1 and v2)
AC-3 (Dolby Digital) - supported since iOS 9.3
E-AC-3 (Dolby Digital Plus) - supported since iOS 9.3
MP3 (MPEG-1 audio layer 3
AMR (Adaptive Multi-Rate, a format for speech) - not supported since
iOS 4.3
ALAC (Apple Lossless)
iLBC (internet Low Bitrate Codec, another format for speech)
IMA4 (IMA/ADPCM)
linear PCM (uncompressed)
µ-law and a-law
The audio recording formats supported in iOS are the following:
- AAC (on supported devices only)
- ALAC (Apple Lossless)
- iLBC (internet Low Bitrate Codec, for speech)
- IMA4 (IMA/ADPCM)
- linear PCM
- µ-law and a-law
I have music encoded in Vorbis format and also starded encoding some of my albums to the new Opus format. Is there a way I can copy and play them to my iPhone ? xiph.org wiki page states about vorbis support, that in the free software side, it's "work in progress", while it cites a radio stream and a video application that have Vorbis support, but what about audio support ?
To summarize the requirements:
Vorbis support
Opus support
some way to copy or make the album available
free software would be a plus, since proprietary software could be slow to adopt Opus and I could even add support for additional codecs myself by writing patches
[Edit: essential media player features required]
Playlist support, etc.
Flawless playback must be a strong guideline (for example, some players have audio decoding glitches every 5 minutes played)
http://wiki.xiph.org/Vorbis_Software_Players#iPhone
Capriccio music player for IOS supports FLAC, APE, WV, MPC, WAV, M4A, MP3, OGG, AIFF, CAF, MID, OPUS
I've used it on all my IOS devices (including iPad 2/3/Air and iPhone 4 & 6) with FLAC encoded music and never experienced audio glitches.
Open source licensing on iOS is a difficult matter. VLC for iOS plays Opus and Vorbis. But as a music player it's quite useless.
Since iOS 11 it supports native Opus streams, however you still need to encapsulate them in CAF format. For apps (and even in Safari) you might try to pass that CAF stuff with the audio/aac mimetype and should work.
Try with the afconvert available in macOS with something like this:
afconvert input.wav -f caff -d opus -b 32000 output.caf
There is a test site to try CAF in your Safari browser.
Source: https://hetzel.net/2017-06-12/ios-11-opus-support-in-podcast-feeds/
quiktime file format has suport for dref atom. Where actual video data can reside in separate file on webserver.
to test the feature I created a file with dref atom. http://vihosting.net/sample_iTunes_reference.mov
This file plays nicely on quicktime player, but iPhone/iPad gives error, i am not sure if this is issue with generated file or device support.
If iOS (iphone,ipad) suports dref atom.
If not is there any official document from apple which stats this explicitly.
AVFoundation (media framework used in iPhone/iPad) supports limited number of video codecs. The sample file you provided is encoded with a rare codec 3ivx D4 4.5.1 (some applications even cannot recognise it), which is not supported in iOS.
Encode video using either h264 or mpeg4 codecs and use .mov or m4v container for iOS.
I want to make a Dictaphone app for iOS and my preferred audio format is DSS, as I want the recorded file to be of small size.
Is the DSS format supported by iOS? If not, what other format can I use for my app?
DSS is not supported by iOS.
The audio technologies in iOS support the following audio formats:
AAC
Apple Lossless (ALAC)
A-law
IMA/ADPCM (IMA4)
Linear PCM
µ-law
DVI/Intel IMA ADPCM
Microsoft GSM 6.10
AES3-2003
For information about each of the audio frameworks, see the corresponding entry in “Media Layer Frameworks.”