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• iPhone - IMA WAV ADPCM audio stream for iOS

  21 mai 2013, par Siriss

  I am trying to write an app for a school project that will play a video stream of the lab. They use Foscam cameras, and from what I understand they only stream audio in FFMPEG and VLC (a wrapper of FFMPEG and others, correct ?). I can play the video stream in a UIWebView just fine, but I can't figure out how to get audio to work. I have read a bunch of post on here about the different audio stream options, but none support this format. I have also looked into VLCKit, but that seems to only work in OS X, not iOS.

  Is there a Framework, or Kit that can stream IMA WAV ADPCM audio from a VLC/FFMPEG file, or does someone know of a better way to get audio from a Foscam ?

  EDIT - I know more about the stream and I have tried a few things. I tried AVPlayer, but discovered Audio FIle Stream and Audio Queue Services but can't find a good tutorial.

  I also found THIS site, and tried the project with my stream and it did not work.

• Compiled file for ffmpeg - iphone audio

  3 avril 2012, par Sreekumar Kalarikkal

  I would like to build an iPhone application which streams internet radio stations which includes .wma files also. So I found that in-order to play wma files, we need FFMPEG compiled files. I tried to build FFMPEG for iPhone, but having errors. I followed the guide here,

  I can able to build ffmpeg, but when I run the project using that library, I am getting the following error.

  Ld /Users/sreekumar/Library/Developer/Xcode/DerivedData/WunderRadio-akpvnvqfzqleafaxhbibliqszxbp/Build/Intermediates/WunderRadio.build/Release-iphoneos/WunderRadio.build/Objects-normal/armv6/WunderRadio normal armv6
  
  cd "/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio"
  
  setenv IPHONEOS_DEPLOYMENT_TARGET 3.0
  
  setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
  
  /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -arch armv6 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk -L/Users/sreekumar/Library/Developer/Xcode/DerivedData/WunderRadio-akpvnvqfzqleafaxhbibliqszxbp/Build/Products/Release-iphoneos -L/Volumes/TUNEAGE/Projects/Debug-iphoneos -L/Volumes/TUNEAGE/Projects/Debug-iphonesimulator "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio/../Common/build/Release-iphonesimulator" "-L/Users/sreekumar/Downloads/WR1.9 4/Common/build/Release-iphoneos" "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio/MMS/build/MMS.build/Release-iphoneos/libmms.build/Objects-normal/armv6" "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio/MMS/build/MMS.build/Release-iphoneos/libmms.build/Objects-normal/armv7" "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio/MMS/build/Release-iphoneos" "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio/../../../Compiled frameworks MMS and ffmpeg/WR1.9/MMS/build/Release-iphoneos" "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio/../../.." "-L/Volumes/DISC/Radio App/Running copy/WR1.9/WunderRadio" -F/Users/sreekumar/Library/Developer/Xcode/DerivedData/WunderRadio-akpvnvqfzqleafaxhbibliqszxbp/Build/Products/Release-iphoneos -filelist /Users/sreekumar/Library/Developer/Xcode/DerivedData/WunderRadio-akpvnvqfzqleafaxhbibliqszxbp/Build/Intermediates/WunderRadio.build/Release-iphoneos/WunderRadio.build/Objects-normal/armv6/WunderRadio.LinkFileList -dead_strip -ObjC -Wl --allow-multiple-definition -all_load -miphoneos-version-min=3.0 -framework MessageUI -framework Foundation -framework UIKit -framework CoreGraphics -framework SystemConfiguration -framework AudioToolbox -framework QuartzCore -framework MediaPlayer -weak_framework AVFoundation -framework CoreLocation -framework CFNetwork -lffmpegLib -llibmms -lCommon -lz -o /Users/sreekumar/Library/Developer/Xcode/DerivedData/WunderRadio-akpvnvqfzqleafaxhbibliqszxbp/Build/Intermediates/WunderRadio.build/Release-iphoneos/WunderRadio.build/Objects-normal/armv6/WunderRadio
  
  
  
  ld: warning: directory not found for option '-L/Volumes/TUNEAGE/Projects/Debug-iphoneos'
  
  ld: warning: directory not found for option '-L/Volumes/TUNEAGE/Projects/Debug-iphonesimulator'
  
  ld: warning: ignoring file /Volumes/DISC/Radio App/Running copy/WR1.9/Common/build/Release-iphonesimulator/libCommon.a, file was built for archive which is not the architecture being linked (armv6)
  
  ld: duplicate symbol _fourxm_decoder in /Volumes/DISC/Radio App/libffmpegLib.a(4xm.o) and /Volumes/DISC/Radio App/libffmpegLib.a(4xm.o) for architecture armv6
  
  collect2: ld returned 1 exit status
  
  Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1    

  So I think anybody of you may be successfully compiled and used this. If yes please give me some instructions to do this.

  Or if you can find the solution for the error. please let me know.

• Anomalie #3114 (Nouveau) : intval dans recuperer_numero

  10 décembre 2013, par Nicolas Dorigny

  Suite à échange rapide sur IRC : le intval dans recuperer_numero pose souci : si j’ai une rubrique "01. patati", elle s’affiche avec 1 et pas 01 dans ecrire, idem avec une rubrique 00 qui s’affiche 0.
  En l’occurence, ce numéro n’est pas un int, et n’a pas toujours été considéré comme devant l’être, il est inclus dans la chaine du titre.
  Il me semble que renvoyer 01 au lieu de 1 ne casse rien des usages qui en sont faits.

  Proposition : dans /ecrire/inc/filtres.php
  function recuperer_numero($texte)
  - return intval($regs¹) ;
  + return preg_replace(’#[^0-9]+#’,’’,$regs¹) ;

  Denisb signale aussi "en mode rubrique_edit, le numéro disparait carrément du titre".