[FFmpeg-devel] decoding MPEG4 ASP video on iPhone (armv6, armv7)

Jason Garrett-Glaser darkshikari
Wed Jan 13 22:28:56 CET 2010


On Wed, Jan 13, 2010 at 9:11 AM,  <michelle211 at comcast.net> wrote:
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> I have compiled ffmpeg/ffplay
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> When I play an avi or mpg with ffplay I get a green distorted video.
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> much like what is described here.
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> http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-December/079791.html
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> The post mentions using -arch=c , does that help the issue.
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> Also I read somewhere on another post that the issue is related to sdl, is there a fix for that.
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> Has anyone gotten this to work correctly.

Just speculation, but this might be related to the fact that the
iPhone/iPod compilers ignore the ARM ABI and don't maintain 8-byte
stack alignment, which some functions might assume.

Dark Shikari



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