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POCompilation Error: Undefined symbols for architecture i386
 

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  1. POCompilation Error: Undefined symbols for architecture i386
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    <p>I am working on a an application to stream live video on iPhone from IP cameras through rtsp. I am using open source projects like live555, DecoderWrapper and RTSPClient. I get the following error while compiling my project.</p> <pre><code> Undefined symbols for architecture i386: "_av_register_all", referenced from: +[VideoDecoder staticInitialize] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_init", referenced from: +[VideoDecoder staticInitialize] in libDecoderWrapper.a(VideoDecoder.o) "_av_log_set_callback", referenced from: +[VideoDecoder registerLogCallback:] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_find_decoder", referenced from: -[VideoDecoder initWithCodec:colorSpace:width:height:privateData:] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_alloc_context", referenced from: -[VideoDecoder initWithCodec:colorSpace:width:height:privateData:] in libDecoderWrapper.a(VideoDecoder.o) "_av_malloc", referenced from: -[VideoDecoder initWithCodec:colorSpace:width:height:privateData:] in libDecoderWrapper.a(VideoDecoder.o) -[VideoDecoder decodeFrame:] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_alloc_frame", referenced from: -[VideoDecoder initWithCodec:colorSpace:width:height:privateData:] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_open", referenced from: -[VideoDecoder initWithCodec:colorSpace:width:height:privateData:] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_decode_video2", referenced from: -[VideoDecoder decodeFrame:] in libDecoderWrapper.a(VideoDecoder.o) "_avpicture_get_size", referenced from: -[VideoDecoder decodeFrame:] in libDecoderWrapper.a(VideoDecoder.o) "_avpicture_fill", referenced from: -[VideoDecoder decodeFrame:] in libDecoderWrapper.a(VideoDecoder.o) "_sws_getContext", referenced from: -[VideoDecoder decodeFrame:] in libDecoderWrapper.a(VideoDecoder.o) "_sws_scale", referenced from: -[VideoDecoder getDecodedFrame] in libDecoderWrapper.a(VideoDecoder.o) "_avpicture_free", referenced from: -[VideoDecoder getDecodedFrame] in libDecoderWrapper.a(VideoDecoder.o) "_avpicture_alloc", referenced from: -[VideoDecoder getDecodedFrame] in libDecoderWrapper.a(VideoDecoder.o) "_av_picture_copy", referenced from: -[VideoDecoder getDecodedFrame] in libDecoderWrapper.a(VideoDecoder.o) "_av_free", referenced from: -[VideoDecoder dealloc] in libDecoderWrapper.a(VideoDecoder.o) "_avcodec_close", referenced from: -[VideoDecoder dealloc] in libDecoderWrapper.a(VideoDecoder.o) ld: symbol(s) not found for architecture i386 collect2: ld returned 1 exit status </code></pre> <p>I've already tried different solutions like checking if I had copied any frameworks to my projects. I've checked and there is nothing in "Framework search paths". As I am using "ffmpeg" in my project I've also tried compiling the library for i386 and then I added these libraries to my project. But nothing works! Can someone please help me? I can provide code details if needed.</p>
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    1. COSee if you have missed to add any Framework
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    2. CO@EmptyStackI have checked and rechecked and I don't think I'm missing a framework.
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      1. USAnila
 

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