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  • Strategies for Synchronizing Data Between a Rails App and iPhone App

    - by jessecurry
    I've written many iPhone Applications that have pulled data from web services and I've worked on synchronizing data between an iPhone App and a Web Application, but I've always felt that there is probably a better way to handle the synchronization. I'd like to know what strategies you have used to synchronize data between your iPhone(read: mobile) Apps and your Rails(read: web) Applications. Are there any strategies that scale particularly well? How have you dealt with large amounts of data? (Do you use paged responses?) How do you make sure that data is not overwritten? Is there a reason to avoid Ruby on Rails? if so, can you suggest an alternative? What is better about the alternative? What strategies have failed? Why do you believe that those strategies failed? I would like to be able to keep all of the data modifications on the server, but the particular application I am about to start work on will need the ability to operate while disconnected from the network. The user will be able to update data on the mobile device and update data through the web application. When the user's mobile device connects to the server any local changes will be pushed to the server.

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  • iPhone OpenGLES: Textures are consuming too much memory and the program crashes with signal "0"

    - by CustomAppsMan
    I am not sure what the problem is. My app is running fine on the simulator but when I try to run it on the iPhone it crashes during debugging or without debugging with signal "0". I am using the Texture2D.m and OpenGLES2DView.m from the examples provided by Apple. I profiled the app on the iPhone with Instruments using the Memory tracer from the Library and when the app died the final memory consumed was about 60Mb real and 90+Mb virtual. Is there some other problem or is the iPhone just killing the application because it has consumed too much memory? If you need any information please state it and I will try to provide it. I am creating thousands of textures at load time which is why the memory consumption is so high. Really cant do anything about reducing the number of pics being loaded. I was running before on just UIImage but it was giving me really low frame rates. I read on this site that I should use OpenGLES for higher frame rates. Also sub question is there any way not to use UIImage to load the png file and then use the Texture class provided to create the texture for OpenGLES functions to use it for drawing? Is there some function in OpenGLES which will create a texture straight from a png file?

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  • how to make an image appear everytime when i shake my iphone

    - by Abhishek
    Hello, i have created a shake application in iphone but i am having a problem. I want that when i shake my iphone everytime an image should appear for every shake.Can anybody help how is it possible. This is the code which i have written: CGRect myImageRect = CGRectMake(110.0f, 70.0f, 220.0f, 380.0f); //This line is for setting my tick.png image on my image view UIImageView *myImage = [[UIImageView alloc] initWithFrame:myImageRect]; [myImage setImage:[UIImage imageNamed:@"tick_mark.png"]]; [self.view addSubview:myImage];       //animation [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:1]; [myImage setAlpha:0.0]; [UIView commitAnimations]; [myImage release]; This is for beginning animations and I have set my image alpha to 0.0 so that my image will disappear. This code is working properly. But I want it so that when I shake my iPhone again my image should reappear for every shake. How is it possible.

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  • Testing background audio in the simulator

    - by Cactuar
    I'm experimenting with the new background audio service in iPhone OS 4.0 but I can't get it to work in the simulator. According to this page: iPhone Application Programming Guide: Executing Code in the Background it seems that all I have to do is add the a UIBackgroundModes key with an array containing audio to my Info.plist file and the audio my application plays should automatically continue when I switch to another app. I have done this but the audio still pauses as I switch to another app, when I switch back it continues where it left off. This is the code I'm using to play the sound: NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/audio.mp3", [[NSBundle mainBundle] resourcePath]]]; NSError *error; audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error]; audioPlayer.numberOfLoops = -1; if (audioPlayer == nil) NSLog(@"%@", [error userInfo]); else [audioPlayer play]; Has anyone gotten this to work? Could it be that it would work on an actual device and it's just a problem with the simulator? I'm a bit hesitant to install 4.0 on my phone since I've heard it's still very buggy. Wish I had another device to use only for development.

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  • Backwards compatibility when using Core Data

    - by Alex
    Could anybody shed some light as to why is my app crashing with the following error on iPhone OS 2.2.1 dyld: Symbol not found: _OBJC_CLASS_$_NSPredicate Referenced from: /var/mobile/Applications/456F243F-468A-4969-9BB7-A4DF993AE89C/AppName.app/AppName Expected in: /System/Library/Frameworks/Foundation.framework/Foundation I have weak linked CoreData.framework, and have the Base SDK set to 3.0 and Deployment Target set to SDK 2.2 The app already uses other 3.0 features when available and I did not have any problems with those. But apparently the backward-compatibility methods used for other features do not work with Core Data. The app crashes before app delegate's applicationDidFinishLaunching gets called. Here's the debugger log: [Session started at 2010-05-25 20:17:03 -0400.] GNU gdb 6.3.50-20050815 (Apple version gdb-1119) (Thu May 14 05:35:37 UTC 2009) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "--host=i386-apple-darwin --target=arm-apple-darwin".tty /dev/ttys001 Loading program into debugger… sharedlibrary apply-load-rules all warning: Unable to read symbols from "MessageUI" (not yet mapped into memory). warning: Unable to read symbols from "CoreData" (not yet mapped into memory). Program loaded. target remote-mobile /tmp/.XcodeGDBRemote-12038-42 Switching to remote-macosx protocol mem 0x1000 0x3fffffff cache mem 0x40000000 0xffffffff none mem 0x00000000 0x0fff none run Running… [Switching to thread 10755] [Switching to thread 10755] Re-enabling shared library breakpoint 1 Re-enabling shared library breakpoint 2 Re-enabling shared library breakpoint 3 Re-enabling shared library breakpoint 4 Re-enabling shared library breakpoint 5 (gdb) continue warning: Unable to read symbols for ""/Users/alex/iPhone Projects/AppName/build/Debug-iphoneos"/AppName.app/AppName" (file not found). dyld: Symbol not found: _OBJC_CLASS_$_NSPredicate Referenced from: /var/mobile/Applications/456F243F-468A-4969-9BB7-A4DF993AE89C/AppName.app/AppName Expected in: /System/Library/Frameworks/Foundation.framework/Foundation (gdb)

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  • Why my UTableView with style UITableViewStyleGrouped is consuming memory?

    - by prathumca
    Hello everyone, Currently in my app, I'm using an UITableView with style UITableViewStyleGrouped as shown below. CGRect imgFrame = CGRectMake(0, 0, 320, 650); UITableView *myTable = [[UITableView alloc] initWithFrame:imgFrame style:UITableViewStyleGrouped]; myTable.dataSource = self; myTable.delegate = self; //make the current object the event handler for view [self.view addSubview:myTable]; [myTable release]; And the data has stored in an array "dataArray". dataArray has collection of arrays, where each array represent a section. Currently I have only one section with 100 records. When I installed my app onto my IPhone, I observed that this UITableView is consuming 20 MB of IPhone memory. If I changed the table view style to "UITableViewStylePlain", then it is consuming only 4MB of memory. I'm trying to figure it out, where is the exact problem, but not. What was wrong with "UITableViewStyleGrouped"? Regards, prathumca.

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  • Specific compiler flags for specific files in Xcode

    - by Jasarien
    I've been tasked to work on a project that has some confusing attributes. The project is of the nature that it won't compile for the iPhone Simulator And the iPhone Device with the same compile settings. I think it has to do with needing to be specifically compiled for x86 or arm6/7 depending on the target platform. So the project's build settings, when viewed in Xcode's Build Settings view doesn't enable me to set specific compiler flags per specific files. However, the previous developer that worked on this project has somehow declared the line: CE7FEB5710F09234004DE356 /* MyFile.m in Sources */ = {isa = PBXBuildFile; fileRef = CE7FEB5510F09234004DE356 /* MyFile.m */; settings = {COMPILER_FLAGS = "-fasm-blocks -marm -mfpu=neon"; }; }; Is there any way to do this without editing the project file by hand? I know that editing the project file can result in breaking it completely, so I'd rather not do that, as I obviously don't know as much as the previous developer. So to clarify, the question is: The build fails when compiling for simulator unless I remove the -fasm-blocks flag. The build fails when compiling for device unless I add the -fasm-blocks flag. Is there a way to set this flag per file without editing the project file by hand?

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  • crash log in device

    - by seenu
    I need help to understand the crash log. The app works fine on my simulator but it crashes in device. my simulator is run with:-iPhone Simulator 225, iPhone OS 4.1 (iPhone 4/8B5091b) this is my device crash log:- Incident Identifier: CD0E8B93-5CF9-402C-9787-4B175C51A690 CrashReporter Key: 1961913be3204fe8cb5a39c1e00ac0f03a452876 Hardware Model: iPhone1,2 Process: My Game[1115] Path: /var/mobile/Applications/2968E5FB-96DD-443D-B386-D68F08E9345E/My Game.app/My Game Identifier: My Game Version: ??? (???) Code Type: ARM (Native) Parent Process: launchd [1] Date/Time: 2010-12-29 23:39:15.753 -0500 OS Version: **iPhone OS 4.2.1 (8C148)** Report Version: 104 Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x00000000, 0x00000000 Crashed Thread: 0 Thread 0 Crashed: 0 libSystem.B.dylib 0x35de3ad0 0x35d5a000 + 563920 1 libSystem.B.dylib 0x35de3abe 0x35d5a000 + 563902 2 libSystem.B.dylib 0x35de3ab2 0x35d5a000 + 563890 3 libSystem.B.dylib 0x35dfad5e 0x35d5a000 + 658782 4 libstdc++.6.dylib 0x374f2a00 0x3748d000 + 416256 5 libobjc.A.dylib 0x32d9d8d8 0x32d95000 + 35032 6 libstdc++.6.dylib 0x374f0100 0x3748d000 + 405760 7 libstdc++.6.dylib 0x374f0178 0x3748d000 + 405880 8 libstdc++.6.dylib 0x374f02a0 0x3748d000 + 406176 9 libobjc.A.dylib 0x32d9bf28 0x32d95000 + 28456 10 CoreFoundation 0x3759dabc 0x374f9000 + 674492 11 Foundation 0x351a3e6c 0x35151000 + 339564 12 My Game 0x0006325c 0x1000 + 402012 13 My Game 0x00003c98 0x1000 + 11416 14 My Game 0x00062108 0x1000 + 397576 15 My Game 0x00003b08 0x1000 + 11016 16 My Game 0x000074d8 0x1000 + 25816 17 CoreFoundation 0x375466fc 0x374f9000 + 317180 18 CoreFoundation 0x375465d6 0x374f9000 + 316886 19 My Game 0x0005c818 0x1000 + 374808 20 My Game 0x000596a4 0x1000 + 362148 21 CoreFoundation 0x37542a3c 0x374f9000 + 301628 22 My Game 0x000b692c 0x1000 + 743724 23 My Game 0x000b7550 0x1000 + 746832 24 My Game 0x000c2a7c 0x1000 + 793212 25 UIKit 0x358f4ea8 0x358d3000 + 138920 26 UIKit 0x358f44dc 0x358d3000 + 136412 27 UIKit 0x358d7c94 0x358d3000 + 19604 28 UIKit 0x358d73ac 0x358d3000 + 17324 29 GraphicsServices 0x33e77c80 0x33e72000 + 23680 30 CoreFoundation 0x3752f5c4 0x374f9000 + 222660 31 CoreFoundation 0x3752f582 0x374f9000 + 222594 32 CoreFoundation 0x3752182e 0x374f9000 + 165934 33 CoreFoundation 0x37521504 0x374f9000 + 165124 34 CoreFoundation 0x37521412 0x374f9000 + 164882 35 GraphicsServices 0x33e76d1c 0x33e72000 + 19740 36 UIKit 0x3591d574 0x358d3000 + 304500 37 UIKit 0x3591a550 0x358d3000 + 292176 38 My Game 0x000030a4 0x1000 + 8356 39 My Game 0x00003010 0x1000 + 8208 Thread 1: 0 libSystem.B.dylib 0x35d8f974 0x35d5a000 + 219508 1 libSystem.B.dylib 0x35e5e2fc 0x35d5a000 + 1065724 2 libSystem.B.dylib 0x35e5dd68 0x35d5a000 + 1064296 3 libSystem.B.dylib 0x35e5d788 0x35d5a000 + 1062792 4 libSystem.B.dylib 0x35de6970 0x35d5a000 + 575856 5 libSystem.B.dylib 0x35ddd2fc 0x35d5a000 + 537340 Thread 2: 0 libSystem.B.dylib 0x35d5b3b0 0x35d5a000 + 5040 1 libSystem.B.dylib 0x35d5d894 0x35d5a000 + 14484 2 CoreFoundation 0x37521f7c 0x374f9000 + 167804 3 CoreFoundation 0x37521780 0x374f9000 + 165760 4 CoreFoundation 0x37521504 0x374f9000 + 165124 5 CoreFoundation 0x37521412 0x374f9000 + 164882 6 WebCore 0x3318bd14 0x33070000 + 1162516 7 libSystem.B.dylib 0x35de5b44 0x35d5a000 + 572228 8 libSystem.B.dylib 0x35dd77a4 0x35d5a000 + 513956 Thread 0 crashed with ARM Thread State: r0: 0x00000000 r1: 0x00000000 r2: 0x00000001 r3: 0x3e74f308 r4: 0x00000006 r5: 0x00238cfc r6: 0x00238ff0 r7: 0x2fdfdd2c r8: 0x3eba21b8 r9: 0x0000000a r10: 0x3eba21bc r11: 0x0022fb00 ip: 0x00000025 sp: 0x2fdfdd2c lr: 0x35de3ac5 pc: 0x35de3ad0 cpsr: 0x000a0010 Binary Images: 0x1000 - 0xebfff +My Gamearmv6 <15bbbead83159dac341a987c660d2b28> /var/mobile/Applications/2968E5FB-96DD-443D-B386-D68F08E9345E/My Game.app/My Game 0x1f8000 - 0x1f9fff dns.so armv6 <88b569311cca4a9593b2d670051860d1> /usr/lib/info/dns.so 0x2fe00000 - 0x2fe29fff dyld armv6 <617f6daf4103547c47a8407a2e0b90de> /usr/lib/dyld 0x30229000 - 0x30268fff MBXGLEngine armv6 <9d60c44b1ddc55387a0cb77f90660b37> /System/Library/Frameworks/OpenGLES.framework/MBXGLEngine.bundle/MBXGLEngine 0x3027c000 - 0x3027efff IOMobileFramebuffer armv6 <f42bbbf67195a7b98d67ad021bba4784> /System/Library/PrivateFrameworks/IOMobileFramebuffer.framework/IOMobileFramebuffer 0x3027f000 - 0x3038dfff CFNetwork armv6 <d6eeee83216ee9c553134f069f37cbc2> /System/Library/Frameworks/CFNetwork.framework/CFNetwork 0x303ef000 - 0x303f4fff CaptiveNetwork armv6 <f41df4b358b77b29ff85e0eaea88ee1d> /System/Library/PrivateFrameworks/CaptiveNetwork.framework/CaptiveNetwork 0x303f5000 - 0x30444fff Security armv6 <cf625b4dc7ea928891313444ef64a7cb> /System/Library/Frameworks/Security.framework/Security 0x30445000 - 0x3055cfff libicucore.A.dylib armv6 <8968ff3f62d7780bb1bd75026a7628d0> /usr/lib/libicucore.A.dylib 0x3055d000 - 0x30561fff ApplePushService armv6 <0560b630d26e261e205fc58942e1885c> /System/Library/PrivateFrameworks/ApplePushService.framework/ApplePushService 0x3059d000 - 0x305a8fff MobileWiFi armv6 <c7532e63e083a1dd2a0ef7352b85749d> /System/Library/PrivateFrameworks/MobileWiFi.framework/MobileWiFi 0x305aa000 - 0x30612fff libvDSP.dylib armv6 <9d264733fc675943c082bd3b9b567b59> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib 0x30613000 - 0x3064dfff MobileCoreServices armv6 <beb473ce80390554bb4af21554522286> /System/Library/Frameworks/MobileCoreServices.framework/MobileCoreServices 0x3065c000 - 0x3066efff libbsm.0.dylib armv6 <51e7bb18da9afa44a33e54e42fbd0707> /usr/lib/libbsm.0.dylib 0x3066f000 - 0x306c6fff CoreMedia armv6 <cd5e9398c161f129146931e888e1c92e> /System/Library/Frameworks/CoreMedia.framework/CoreMedia 0x306f0000 - 0x306fefff libz.1.dylib armv6 <84592e96bae1a661374b0f9a5d03a3a0> /usr/lib/libz.1.dylib 0x306ff000 - 0x30729fff PrintKit armv6 <74f9710fa01a33b5bb04c4aeabd6be7d> /System/Library/PrivateFrameworks/PrintKit.framework/PrintKit 0x3072e000 - 0x307d0fff AVFoundation armv6 <da9d96f32791f51ecb439c5eaeeff59a> /System/Library/Frameworks/AVFoundation.framework/AVFoundation 0x307d7000 - 0x3082afff IOKit armv6 <20da5e822f21a8d0a7c5b3e149330efd> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit 0x30831000 - 0x3083bfff AccountSettings armv6 <eca67ab04f724e1fa7c6406c88e75433> /System/Library/PrivateFrameworks/AccountSettings.framework/AccountSettings 0x30a04000 - 0x30aa3fff ProofReader armv6 <2734920b62f174c17aeeb15f371615ef> /System/Library/PrivateFrameworks/ProofReader.framework/ProofReader 0x30ad6000 - 0x30b1afff AddressBook armv6 <1f30c3370dad27331a491ba4b190813c> /System/Library/Frameworks/AddressBook.framework/AddressBook 0x30b3d000 - 0x30b9cfff CoreAudio armv6 <ccc4bace0d6eca79a32ed84d566f72e9> /System/Library/Frameworks/CoreAudio.framework/CoreAudio 0x32d7d000 - 0x32d89fff libkxld.dylib armv6 <f74f359de7bbe3ccdc37fa6f332aebf4> /usr/lib/system/libkxld.dylib 0x32d95000 - 0x32e5cfff libobjc.A.dylib armv6 <429841269f8bcecd4ba3264a8725dad6> /usr/lib/libobjc.A.dylib 0x32e5d000 - 0x32ecdfff libsqlite3.dylib armv6 <87b9bb47687902d9120d03d1da9eb9fc> /usr/lib/libsqlite3.dylib 0x32f0c000 - 0x32f1ffff libmis.dylib armv6 <dba9c086b49bd9540930ff27211570d6> /usr/lib/libmis.dylib 0x33055000 - 0x33061fff SpringBoardServices armv6 <fd0c472436b3306f5b56118c93c8a423> /System/Library/PrivateFrameworks/SpringBoardServices.framework/SpringBoardServices 0x33062000 - 0x3306ffff MobileBluetooth armv6 <2b68516e1321011a4efbee2947d463c6> /System/Library/PrivateFrameworks/MobileBluetooth.framework/MobileBluetooth 0x33070000 - 0x338bffff WebCore armv6 <aa3b6827f051da7a3494c9bee4ebe290> /System/Library/PrivateFrameworks/WebCore.framework/WebCore 0x33ab4000 - 0x33ab4fff Accelerate armv6 <cdde24a7ad004b2b2e600cd4f3ac5eb7> /System/Library/Frameworks/Accelerate.framework/Accelerate 0x33bbc000 - 0x33c0afff CoreText armv6 <16c9582fdffb598178287c6ce9fd6897> /System/Library/Frameworks/CoreText.framework/CoreText 0x33c16000 - 0x33d73fff libGLProgrammability.dylib armv6 <aec6b54ffd532bb607aab4acbab679b6> /System/Library/Frameworks/OpenGLES.framework/libGLProgrammability.dylib 0x33d85000 - 0x33e71fff QuartzCore armv6 <77cd91ff21fe6c58c309f2c82eb95ca5> /System/Library/Frameworks/QuartzCore.framework/QuartzCore 0x33e72000 - 0x33e81fff GraphicsServices armv6 <af20aba0ec96e7b7c42bb55ac763c784> /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices 0x33ead000 - 0x33f6efff ImageIO armv6 <0c1b6f466667ff345f2399d8142a9d10> /System/Library/Frameworks/ImageIO.framework/ImageIO 0x33f78000 - 0x33f79fff CoreSurface armv6 <5e290514380c626e9b0f9f9985b9dc7a> /System/Library/PrivateFrameworks/CoreSurface.framework/CoreSurface 0x34137000 - 0x34156fff EAP8021X armv6 <fa56845b5396c3ebb368c2368331643c> /System/Library/PrivateFrameworks/EAP8021X.framework/EAP8021X 0x343a0000 - 0x343bffff Bom armv6 <f41bef81e23e2bff59155e5ce46762d3> /System/Library/PrivateFrameworks/Bom.framework/Bom 0x343c0000 - 0x344bdfff JavaScriptCore armv6 <3547c92c1efc0522b087e7f10eba7728> /System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore 0x344be000 - 0x34500fff ManagedConfiguration armv6 <397723a33c19c3487d304d69580acbfc> /System/Library/PrivateFrameworks/ManagedConfiguration.framework/ManagedConfiguration 0x34b52000 - 0x34f1ffff libLAPACK.dylib armv6 <0eb734c91165416224b98c943ff6476b> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLAPACK.dylib 0x34f20000 - 0x35014fff libiconv.2.dylib armv6 <01916d6784f4de8f3746978faae9c5fa> /usr/lib/libiconv.2.dylib 0x35015000 - 0x35022fff CoreVideo armv6 <7b100fd5fdf98db1cd0f0649e7f6f316> /System/Library/Frameworks/CoreVideo.framework/CoreVideo 0x35151000 - 0x35272fff Foundation armv6 <6bdeb19a1fcb93e2930dadb50416f881> /System/Library/Frameworks/Foundation.framework/Foundation 0x3529b000 - 0x352a6fff libbz2.1.0.dylib armv6 <6aa8a4ed0906a495d059ace9125f525d> /usr/lib/libbz2.1.0.dylib 0x352dc000 - 0x35342fff libBLAS.dylib armv6 <11a3677a08175a30df1b3d66d7e0951a> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libBLAS.dylib 0x35406000 - 0x35406fff vecLib armv6 <8f914b3e8a581d49fb21d2c0ff75be03> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/vecLib 0x35407000 - 0x3540afff MobileInstallation armv6 <456ed7fe6dd9fcd8e78df425085b1452> /System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation 0x354be000 - 0x354dcfff OpenAL armv6 <e86dc71ad650db8a13e4785e9c35a4b9> /System/Library/Frameworks/OpenAL.framework/OpenAL 0x35541000 - 0x35547fff MBX2D armv6 <fad4955cab36e0179df6f8f27d365b8f> /System/Library/PrivateFrameworks/MBX2D.framework/MBX2D 0x35815000 - 0x3581afff AssetsLibraryServices armv6 <224b3cf992a01814f91481244e3213eb> /System/Library/PrivateFrameworks/AssetsLibraryServices.framework/AssetsLibraryServices 0x3581b000 - 0x35877fff libGLImage.dylib armv6 <7c1049f20c4e64591c09d3ac00c7d3ab> /System/Library/Frameworks/OpenGLES.framework/libGLImage.dylib 0x358bc000 - 0x358c3fff liblockdown.dylib armv6 <f470dea180ddf23886df75eb256d3888> /usr/lib/liblockdown.dylib 0x358cc000 - 0x358cffff libgcc_s.1.dylib armv6 <bed95ed187350ce27d22ed241ef892ea> /usr/lib/libgcc_s.1.dylib 0x358d3000 - 0x35d4ffff UIKit armv6 <14ec6c926b8bda71b73136f6e1a6ac1b> /System/Library/Frameworks/UIKit.framework/UIKit 0x35d5a000 - 0x35e98fff libSystem.B.dylib armv6 <70571c1e697e2ae7f7a9b1a499453bb6> /usr/lib/libSystem.B.dylib 0x35f7e000 - 0x35fc2fff VideoToolbox armv6 <101dbbcd34cc3231a8be3fd6392556aa> /System/Library/PrivateFrameworks/VideoToolbox.framework/VideoToolbox 0x35fdb000 - 0x36162fff CoreGraphics armv6 <9a1d72fa9549d83abc1e735ba37a4dc2> /System/Library/Frameworks/CoreGraphics.framework/CoreGraphics 0x36179000 - 0x36255fff WebKit armv6 <83da207070be989ba81dba3a83d5206a> /System/Library/PrivateFrameworks/WebKit.framework/WebKit 0x36269000 - 0x36278fff OpenGLES armv6 <37eda5ddcff210dd321157da35a87a5e> /System/Library/Frameworks/OpenGLES.framework/OpenGLES 0x363f3000 - 0x363f9fff MobileKeyBag armv6 <2d83bf6a43bab972d77a1a6e0f3b03d2> /System/Library/PrivateFrameworks/MobileKeyBag.framework/MobileKeyBag 0x365db000 - 0x365f9fff libresolv.9.dylib armv6 <9c94634beea733e754dc115737b6e63c> /usr/lib/libresolv.9.dylib 0x36746000 - 0x3683cfff libxml2.2.dylib armv6 <9c44d05cc67f1ebabd795903e581724e> /usr/lib/libxml2.2.dylib 0x3683e000 - 0x36888fff libCGFreetype.A.dylib armv6 <cfc94cfa17958f2f94c9eff208a7dace> /System/Library/Frameworks/CoreGraphics.framework/Resources/libCGFreetype.A.dylib 0x3694c000 - 0x3694ffff libAccessibility.dylib armv6 <74e0f77cc276a9412be268c795fdcbca> /usr/lib/libAccessibility.dylib 0x36955000 - 0x36a1ffff Celestial armv6 <11172a6ee53bdf067548cd4496bc5fe0> /System/Library/PrivateFrameworks/Celestial.framework/Celestial 0x36a2d000 - 0x36a30fff CrashReporterSupport armv6 <00bc60f690e6328b64e7a7b718edf45a> /System/Library/PrivateFrameworks/CrashReporterSupport.framework/CrashReporterSupport 0x36a31000 - 0x36a74fff CoreTelephony armv6 <cabbce0fa7630065dc7e7d3ca3bc616c> /System/Library/Frameworks/CoreTelephony.framework/CoreTelephony 0x36c1c000 - 0x36c26fff AggregateDictionary armv6 <f7429444c955e4f13c6761d20032ab52> /System/Library/PrivateFrameworks/AggregateDictionary.framework/AggregateDictionary 0x36c2b000 - 0x36de1fff AudioToolbox armv6 <bb65e8ed531fe5923eb8ac00a7c0d87d> /System/Library/Frameworks/AudioToolbox.framework/AudioToolbox 0x36de2000 - 0x36e16fff AppSupport armv6 <783e14db9585fd063c0c2a755cd121b6> /System/Library/PrivateFrameworks/AppSupport.framework/AppSupport 0x36e17000 - 0x36e2dfff PersistentConnection armv6 <006723906b8ac250c1681a1821fbe94d> /System/Library/PrivateFrameworks/PersistentConnection.framework/PersistentConnection 0x37141000 - 0x37184fff SystemConfiguration armv6 <207f362e707871e74a292cfd1ea7893d> /System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration 0x372aa000 - 0x37477fff MediaToolbox armv6 <21ceabd0e5de17ad4e883c85fcd34d51> /System/Library/PrivateFrameworks/MediaToolbox.framework/MediaToolbox 0x37478000 - 0x3747dfff IOSurface armv6 <ffd66ca04dfe7d382d6961f0df3839ff> /System/Library/PrivateFrameworks/IOSurface.framework/IOSurface 0x3748d000 - 0x374f8fff libstdc++.6.dylib armv6 <eccd1d7183e73587b2c0aa5755a19c39> /usr/lib/libstdc++.6.dylib 0x374f9000 - 0x375e4fff CoreFoundation armv6 <ab0eac0ddd5b4ae1bf8541116e3c0bd1> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation 0x3760a000 - 0x3760bfff DataMigration armv6 <d2de7c0db77278484236669c2cdccabb> /System/Library/PrivateFrameworks/DataMigration.framework/DataMigration 0x37731000 - 0x37736fff libGFXShared.dylib armv6 <bd1c480607cc286288db1ca1aec64180> /System/Library/Frameworks/OpenGLES.framework/libGFXShared.dylib 0x377f6000 - 0x37817fff libRIP.A.dylib armv6 <22c6da37f3adf325f99c3a0494e04c02> /System/Library/Frameworks/CoreGraphics.fram

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  • How do I add two alternating UITableViews to an existing UINavigationController view?

    - by Ron Flax
    I'm new to iPhone development and I am writing an iPhone app that needs two different table views, which are selectable using a button bar or tab bar. These table views are both the same size, but only cover about two thirds of the screen from the bottom up. The top portion of the screen remains the same when either of these tables is displayed. I'd also like to animate (flip) these views when the user selects one or the other. The view that these two tables will be displayed on is the detail view of my app where the user has already selected an item from the primary screen's table. I'm using a UINavigationController to manage the primary and detail views and I have this working. I also have the first of these two detail tables working as part of my detail view, but I think it makes more sense to isolate the code for these two tables and not duplicate all of the code for the part of the detail view that doesn't change. I don't really care how these two table views are created (either in code or via IB). I've tried several things and I can't seem to figure it out. Any help or ideas (with sample code) would be greatly appreciated!

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  • Problem when use compiled .A with simulator mode

    - by Paska
    Hi all, i have a lib .a that run only in device mode. My sdk vers is 4.2 with xcode 3.2.x. In simulator, compile correctle with no warning and no errors, but in run mode (simulator) it crash with this error: Detected an attempt to call a symbol in system libraries that is not present on the iPhone: strtod$UNIX2003 called from function pj_init in image MyAPP. If you are encountering this problem running a simulator binary within gdb, make sure you 'set start-with-shell off' first Program received signal: “SIGABRT”. I try to clean, rebuild and set "set start-with-shell off" from terminal in this way: cd ~ echo '' >> .gdbinit echo 'set start-with-shell 0' >> .gdbinit Restarted all, but nothing. The problem don't wont to resolve! Is there any tag or property that i forgotted to set in the options? In other linker flag is there only "-ObjC". It's very important to solve this issue... any idea please? thanks, A EDIT: It's my lib, compiled in simulator mode! EDIT: It run only with Simulator 4.1. Don't work with iphone 4.0, 4.2 and ipad 3.2 (all simulator).

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  • OpenGl es view and uitableview

    - by Mel
    I have written an application using opengl es view. Now I want to add a uitableview to display on the screen. However I am needing some guidance on how opengl es view and the other views play together nice. For example I have read some things that would lead me to think I need to pause the opengl view when the table is displayed. Can anyone point me to a tutorial on how to make these things work together or just point me to the stackoverflow question that I can't find where some guy asked the same exact thing and got an answer :-)

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  • No provisioned iOS devices are available with a compatible iOS version

    - by tarmes
    I'm trying to test my app on an iPhone 3G, however I'm getting this error: No provisioned iOS devices are available with a compatible iOS version. Connect an iOS device with a recent enough version of iOS to run your application or choose an iOS simulator as the destination. Note that: The 3G has version 4.2.1 of iOS installed The iOS deployment target is set to version 4.2 The device has valid development profiles installed I'm using the latest Xcode 4 I'm at a loss. Can anyone help? Tim

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  • iPhone Development with Bluetooth SPP OS 3/4

    - by nigel-jewell
    Hi all, I am in the process of developing an iPhone application that communicates with a number of Bluetooth devices that all support Serial Port Profile - well I assume that it is SPP as they show on my MacBook as Serial Port DevB etc. I understand that iPhone OS 3.x does not support SPP - is that correct? Does anyone know if that has been "fixed" in OS 4? I've seen reports of OS 4 supporting keyboards, but is that a locked version of HID, or will SPP be available via the SDK? Kind Regards, Nige.

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  • Reset push notification settings for app

    - by hanno
    I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start. The dialog (initiated by registerForRemoteNotificationTypes), however, appears only once per app. How do I reset the iPhone OS's memory of my app. Deleting the app and reinstalling doesn't help.

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  • How to make Symbolicate iPhone App Crash Reports

    - by bluej3
    Hello~ I retrieved the crash reports from iTunes Connect. I referenced this site. http://webcache.googleusercontent.com/search?q=cache:MmxwdXObZLMJ:www.anoshkin.net/blog/2008/09/09/iphone-crash-logs/+iphone+crash+debig&cd=2&hl=en&ct=clnk I tried.... $ symbolicatecrash report.crash MobileLines.app.dSYM report-with-symbols.crash Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/PrivateFrameworks/WebCore.framework/WebCore Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/Foundation.framework/Foundation Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/usr/lib/libSystem.B.dylib Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/UIKit.framework/UIKit Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/OpenGLES.framework/MBXGLEngine.bundle/MBXGLEngine Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/AudioToolbox.framework/AudioToolbox Error in symbol file for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2 (7D11)/Symbols/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation BUT... I didn't result. (find error message) - This directory is located "bulid/Distribution-iphones" - "MYGAME.app" file and "MYGAME.app.dSYM" file is located in same directory. How can i do solve this problem. ? Please help me :) * Crash log (carsh at thread 2 ) Incident Identifier: 95230C2E-CD83-46BF-8DAE-F38BCD46B910 Process: MYGAMELite [303] Path: /var/mobile/Applications/4FB79BEC-2BF0-438B-82A8-C302CD52A85C/MYGAMELite.app/MYGAMELite Identifier: MYGAMELite Version: ??? (???) Code Type: ARM (Native) Parent Process: launchd [1] Date/Time: 2010-06-03 11:43:52.875 +0800 OS Version: iPhone OS 3.1.2 (7D11) Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x03e3a002 Crashed Thread: 2 Thread 2 Crashed: 0 AudioToolbox 0x330d708c AU3DMixerEmbedded::SumInput16(unsigned long, AudioBufferList const&, AudioBufferList const&, unsigned long, float, unsigned long) 1 AudioToolbox 0x330d89a0 AU3DMixerEmbedded::Render(unsigned long&, AudioTimeStamp const&, unsigned long) 2 AudioToolbox 0x32fe6bb8 AUBase::DoRender(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long, AudioBufferList&) 3 AudioToolbox 0x32fe6504 Render 4 AudioToolbox 0x330160b8 AUInputElement::PullInput(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long) 5 AudioToolbox 0x33023fa8 AUInputFormatConverter2::InputProc(OpaqueAudioConverter*, unsigned long*, AudioBufferList*, AudioStreamPacketDescription*, void) 6 AudioToolbox 0x32fe4b60 AudioConverterChain::CallInputProc(unsigned long) 7 AudioToolbox 0x32fe4a5c AudioConverterChain::FillBufferFromInputProc(unsigned long*, CABufferList*) 8 AudioToolbox 0x32fe4790 BufferedAudioConverter::GetInputBytes(unsigned long, unsigned long&, CABufferList const*&) 9 AudioToolbox 0x33023e30 CBRConverter::RenderOutput(CABufferList*, unsigned long, unsigned long&, AudioStreamPacketDescription*) 10 AudioToolbox 0x32fe4284 BufferedAudioConverter::FillBuffer(unsigned long&, AudioBufferList&, AudioStreamPacketDescription*) 11 AudioToolbox 0x32fe44a4 AudioConverterChain::RenderOutput(CABufferList*, unsigned long, unsigned long&, AudioStreamPacketDescription*) 12 AudioToolbox 0x32fe4284 BufferedAudioConverter::FillBuffer(unsigned long&, AudioBufferList&, AudioStreamPacketDescription*) 13 AudioToolbox 0x32fe3f10 AudioConverterFillComplexBuffer 14 AudioToolbox 0x33023844 AUConverterBase::RenderBus(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long) 15 AudioToolbox 0x330ce928 AURemoteIO::RenderBus(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long) 16 AudioToolbox 0x32fe6bb8 AUBase::DoRender(unsigned long&, AudioTimeStamp const&, unsigned long, unsigned long, AudioBufferList&) 17 AudioToolbox 0x330cf308 AURemoteIO::PerformIO(int, unsigned int, unsigned int, AQTimeStamp const&, AQTimeStamp const&) 18 AudioToolbox 0x330cf4cc AURIOCallbackReceiver_PerformIOSync 19 AudioToolbox 0x330c76fc _XPerformIOSync 20 AudioToolbox 0x330181d8 mshMIGPerform 21 AudioToolbox 0x3309cec8 MSHMIGDispatchMessage 22 AudioToolbox 0x330d48d4 AURemoteIO::IOThread::Entry(void*) 23 AudioToolbox 0x32fc9f20 CAPThread::Entry(CAPThread*) 24 libSystem.B.dylib 0x30b5b7b0 _pthread_body

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  • uiview animation used to work on iphone sdk 2.2 and now it doesn't on sdk 3.0

    - by nico
    hello! I have an animation block that worked fine when runnung the app on iphone OS 2.2. Now I compile the same code for iphone OS 3.0 and it doesn't work. UIViewAnimationTransition trans = UIViewAnimationTransitionFlipFromLeft; [UIView beginAnimations: nil context: NULL]; UIView *forview = [[self view] superview]; [UIView setAnimationTransition: trans forView:forview cache: YES]; [UIView setAnimationDuration:1.0]; [[self navigationController] popViewControllerAnimated:NO]; [UIView commitAnimations]; What the code does, it uses the navigation controller to change the top most view, but with the flip transition and not with the built in one. any ideas on what might have change in the sdk or what I'm doing wrong? thanks!!

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  • How to save the content in UIWebView for faster loading on next launch?

    - by erotsppa
    I know that there are some caching classes introduced in the iphone sdk recently, and there is also a TTURLRequest from three20's library that allows you to cache a request to a URL. However, because I am loading the web page in UIWebView by calling UIWebView's loadRequest, those techniques are not really applicable. Any ideas how I can save a web page so that on next app launch, I don't have to fetch from the web again for the full page? The page itself already have some ajax mechanism that updates parts of itself automatically.

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  • iPhone SDK "loading" on Titanium Developer

    - by raulriera
    Hi, I have tried this question on the site of Titanium and several tweets to their account, but they either ignore me or refuse to answer. I want to start using their framework, but for some reason the iPhone SDK is always "loading" when in the "TEST & PACKAGE" tab. Have you guys found a fix for this? I have: Snow Leopard 10.6.3 Titanium Developer 1.2.1 iPhone SDK 3.2 All the certificates "blah blah" from Apple because I am able to test and deploy apps on my device using XCode. Help please :)

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  • MP4 plays on Safari 4 (desktop) but not on Safari Mobile (iphone)

    - by deb
    I'm encoding the video with ffmpeg and displaying it using the HTML 5 video tag. It works fine on Firefox (i'm also providing a ogg version) and Safari 4. However, when I try to open it on the iphone I get a "Cannot Play Movie" error. Here is the ffmpeg command I'm using: ffmpeg -y -i movie.mov -acodec libfaac -ar 44100 -ab 96k -vcodec libx264 -vpre hq -level 41 -crf 20 -bufsize 20000k -maxrate 1500k -g 250 -s 320X200 -coder 1 -flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -flags2 +dct8x8+bpyramid -me_method umh -subq 7 -me_range 16 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -rc_eq 'blurCplx^(1-qComp)' -bf 16 -b_strategy 1 -bidir_refine 1 -refs 6 -deblockalpha 0 -deblockbeta 0 movie.mp4 I reduced the maxrate to 1500 because I read that if the bit rate is too high the iphone won't play the video, but still didn't work. I don't know where else to look... any ideas? Thanks in advance

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  • 401 Unauthorized using oauth with twitter on iPhone

    - by menkel
    I use Twitter-OAuth-iPhone. http://github.com/bengottlieb/Twitter-OAuth-iPhone/ when i try to login on twitte, I received an error 401 i received the delegate call for - (void) OAuthTwitterController: (SA_OAuthTwitterController *) controller authenticatedWithUsername: (NSString *) username { but when i try to send a tweet just after [_engine sendUpdate: [NSString stringWithFormat:@"Hello World"]]; i received an error 401 failed with error: Error Domain=HTTP Code=401 "Operation could not be completed. (HTTP error 401.)" i have check my twitter application setting Type: Client Default Access type: Read & Write

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  • Horizontal lines and PDF drawing on iPhone/iPad Quartz 2D

    - by aron
    I'm trying to display a PDF of music using the Quartz 2D calls: CGPDFDocumentGetPage and CGPDFPageGetDrawingTransform The problem is that some horizontal lines in the PDF get drawn thicker than others. The biggest problem is that I notice this in Preview on the Mac and on iPhone/iPad. Even when viewing this PDF in the iPhone/iPad mail, I get the same problem. Here is the example: http://aronnelson.com/problem/pdfproblem.jpg Note that the PDF on the left is preview, the PDF on the right is the same file but in Google Docs. See how clean the Google Docs version is? Is there any way to fix this problem? Would it help to draw the PDF larger and zoom down using a UIScrollView? Any help appreciated. I can't find much info re: this problem. Aron

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  • Why doesn't @contenteditable work on the iPhone?

    - by plutext
    Safari HTML Reference: Supported Attributes says: contenteditable If true, the element can be edited on the fly; if false, it cannot. Availability Available in Safari 1.2 and later. Available in iPhone OS 1.0 and later. However, on my iPhone, I can't get it to work. Anyone have success with this? You can try it with this document (admittedly not pure html, but that document works in desktop Safari, and Chrome and Firefox 3). I haven't been able to get even the simplest html document to be editable in mobile Safari.

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  • Using FFMPEG to reliably convert videos to mp4 for iphone/ipod and flash players

    - by Jake Stevenson
    I need to convert videos for use in both a flash player and the iphone/ipod touch. I'm using the following batch script with ffmpeg: @echo off ffmpeg.exe -i %1 -s qvga -acodec libfaac -ar 22050 -ab 128k -vcodec libx264 -threads 0 -f ipod %2 This always outputs an mp4 file, and I can always play it on my PC. The videos also seem to play fine on my iphone 3GS. But with some input files it won't work for older iphone versions (3G and iPod touch). Here's the ffmpeg output from one such file: D:\ffmpeg>encode.bat d:\temp\recording.flv d:\temp\out.m4v FFmpeg version SVN-r18709, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e nable-avisynth --enable-gpl --enable-zlib --enable-bzlib --enable-libgsm --enabl e-libfaac --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheo ra --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid - -enable-libschroedinger --enable-libx264 libavutil 50. 3. 0 / 50. 3. 0 libavcodec 52.27. 0 / 52.27. 0 libavformat 52.32. 0 / 52.32. 0 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 1 / 0. 7. 1 built on Apr 28 2009 04:04:42, gcc: 4.2.4 [flv @ 0x187d650]skipping flv packet: type 18, size 164, flags 0 Input #0, flv, from 'd:\temp\recording.flv': Duration: 00:00:07.17, start: 0.001000, bitrate: N/A Stream #0.0: Video: flv, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc Stream #0.1: Audio: nellymoser, 44100 Hz, mono, s16 [libx264 @ 0x13518b0]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE 4.2 [libx264 @ 0x13518b0]profile Baseline, level 4.2 Output #0, ipod, to 'd:\temp\out.m4v': Stream #0.0: Video: libx264, yuv420p, 320x240, q=2-31, 200 kb/s, 1k tbn, 1k tbc Stream #0.1: Audio: libfaac, 22050 Hz, mono, s16, 128 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding frame= 90 fps= 0 q=-1.0 Lsize= 128kB time=6.87 bitrate= 152.4kbits/s video:92kB audio:32kB global headers:1kB muxing overhead 2.620892% [libx264 @ 0x13518b0]slice I:8 Avg QP:29.62 size: 7047 [libx264 @ 0x13518b0]slice P:82 Avg QP:30.83 size: 467 [libx264 @ 0x13518b0]mb I I16..4: 17.9% 0.0% 82.1% [libx264 @ 0x13518b0]mb P I16..4: 0.6% 0.0% 0.0% P16..4: 23.1% 0.0% 0.0% 0.0% 0.0% skip:76.3% [libx264 @ 0x13518b0]final ratefactor: 57.50 [libx264 @ 0x13518b0]SSIM Mean Y:0.9544735 [libx264 @ 0x13518b0]kb/s:8412.6 My suspicion is that it has something to do with the audio encoding. If so, does anyone know how to force it to reencode the audio to the proper format? Any other ideas?

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