With like __attribute__((aligned(32))), __attribute__((aligned(4))), or __attribute__((packed)) ( http://www.aleph1.co.uk/chapter-10-arm-structured-alignment-faq)
Example: unsigned char request[BUFFER_SIZE] __attribute__((aligned(32))); 2013/3/26 Alexey Belkevich <[email protected]> > Also, I found this note in avcodec_decode_audio4 description > > You might have to align the input buffer. The alignment requirements > depend on the CPU and the decoder > ( > http://ffmpeg.org/doxygen/trunk/group__lavc__decoding.html#ga834bb1b062fbcc2de4cf7fb93f154a3e > ) > > Is anyone know what it means? And how I can align buffer? > > Hello! > I'm building an iOS audio player. I've tested playback in iOS Simulator > (i386) and everything was fine. But when I've tested it on iPhone (ARM) > there was only noise. Other formats are playing fine. > I've done little research, and there what I found: > 1) av_read_frame - returns the same data on both device and simulator > (I've checked it in packet->data) > 2) avcodec_decode_audio4 - returns DIFFERENT data on device and simulator > (I've checked it in frame->data) > > Can it be related to ffmpeg compiling options? > Any ideas? > > -- > Alexey Belkevich > > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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