[MPlayer-dev-eng] [PATCH] PowerPC ffmpeg fixes

[Daniel Egger]

Am Son, 2003-05-25 um 15.48 schrieb Magnus Damm:

> And I guess that my commited workaround in ffmpeg (for the altivec bug in gcc) 
> does not help you if it still crashes with final 3.3.
> Did you try with a recent cvs version of ffmpeg?

Also tried a the version from 15 minutes ago and a complete rebuild;
still broken.

It segfaults when checking for dcbz. When I remove this check I get
the typical:

MPlayer interrupted by signal 11 in module: decode_video
- MPlayer crashed by bad usage of CPU/FPU/RAM.
  Recompile MPlayer with --enable-debug and make a 'gdb' backtrace and
  disassembly. For details, see DOCS/bugreports.html#crash

back, i.e. it crashes shortly after popping up the window.

gdb somehow works a bit better with gcc-3.3 and mplayer though I
certainly wouldn't trust this backtrace... :)

#0  ff_er_add_slice (s=0x10b87180, startx=0, starty=0, endx=-1, endy=18,
    status=112) at error_resilience.c:607
#1  0x101b7a6c in decode_slice (s=0x10b87180) at h263dec.c:291
#2  0x101b89ac in ff_h263_decode_frame (avctx=0x23f, data=0x10b86f50,
    data_size=0x7fffe658, buf=0x7fffe550 "\177ÿåð\020\e\211¬\020+",
    buf_size=271253504) at h263dec.c:697
#3  0x101095d0 in avcodec_decode_video (avctx=0x10b86f50, picture=0x0,
    got_picture_ptr=0x0, buf=0xffffffff <Address 0xffffffff out of bounds>,
    buf_size=18) at utils.c:361
#4  0x1005b034 in decode ()
#5  0x1005158c in decode_video ()

-- 
Servus,
       Daniel
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