[Libav-user] Reference app with ffmpeg n1.2 libs that works on IOS ?

Lars Hammarstrand lars.hammarstrand at gmail.com
Wed Apr 3 11:18:58 CEST 2013


2013/4/3 Michael Niedermayer <michaelni at gmx.at>

> On Tue, Apr 02, 2013 at 08:38:18PM +0200, Lars Hammarstrand wrote:
> > 2013/4/2 Carl Eugen Hoyos <cehoyos at ag.or.at>
> >
>
> (gdb) *disass $pc-32,$pc+32*
> > Dump of assembler code for function ff_pred8x8_top_dc_neon:
> > 0x00398b74 <ff_pred8x8_top_dc_neon+0>: andeq lr, r1, #163840 ; 0x28000
> > 0x00398b78 <ff_pred8x8_top_dc_neon+4>: ldreq pc, [pc, -r2, lsr #18]
> > 0x00398b7c <ff_pred8x8_top_dc_neon+8>: addeq pc, r0, #704 ; 0x2c0
> > 0x00398b80 <ff_pred8x8_top_dc_neon+12>: bleq 0x7d47c8 <noise_table+2408>
> > 0x00398b84 <ff_pred8x8_top_dc_neon+16>: ldmdaeq r0, {r1, r2, r3, r7, r8,
> > r9, r10, r11, sp, lr, pc}^
> > 0x00398b88 <ff_pred8x8_top_dc_neon+20>: stcne 15, cr15, [r0], {179}
> > 0x00398b8c <ff_pred8x8_top_dc_neon+24>: stceq 15, cr15, [r0], {177}
> > 0x00398b90 <ff_pred8x8_top_dc_neon+28>: strheq pc, [r1], r10
> > 0x00398b94 <ff_pred8x8_top_dc_neon+32>: svclt 0x0000e04a
> > End of assembler dump.
> >
> > (gdb) *info all-registers*


> pc             0x398b6c 3771244
>
> iam not an arm expert but the address pc is at doesnt seem to be part
> of the disassembly
>
>
So it seems. Could it be an address alignment problem?
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