Re: [ft-devel] tvtime crashes with freetype cvs on x86-64

[Ronny V. Vindenes]

On tir, 2006-09-05 at 13:04 +0200, Ronny V. Vindenes wrote:
> On man, 2006-09-04 at 20:35 +0200, Ronny V. Vindenes wrote:
> > On man, 2006-09-04 at 19:00 +0200, Ronny V. Vindenes wrote:
> > > On man, 2006-09-04 at 18:45 +0200, David Turner wrote:
> > > > Hello Ronny,
> > > > 
> > > > could you please try the current CVS. If this still doesn't work,
> > > > could you send us the first error reported by Valgrind.
> > > 
> > > Current CVS works. Thanks!
> > > 
> > 
> > On closer inspection, I've discovered some rather nasty rendering
> > errors. On the first line the 'l' is wrong, on the second line the 'c'
> > is wrong, on the third line 'n' and 'h' are wrong. The errors appear to
> > depend on entirely on font size. Doing Ctrl-+/- in a browser triggers
> > rendering errors in different characters and fonts.
> 
> Current CVS looks good, thanks for fixing it so quickly David! Attaching
> a tiny patch to quiet some new compiler warnings.

You last commit broke tvtime again

Program received signal SIGSEGV, Segmentation fault.
0x00002b651ebdad32 in gray_record_cell (raster=0xa4d3c0)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:389
389           if ( cell == NULL || cell->x > x )
(gdb) bt
#0  0x00002b651ebdad32 in gray_record_cell (raster=0xa4d3c0)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:389
#1  0x00002b651ebdb74c in gray_set_cell (raster=0xa4d3c0, ex=63, ey=37)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:457
#2  0x00002b651ebdb82c in gray_render_scanline (raster=0xa4d3c0, ey=37, 
    x1=<value optimized out>, y1=232, x2=10778392, y2=0)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:559
#3  0x00002b651ebdbb1f in gray_render_line (raster=0xa4d3c0,
to_x=15724, 
    to_y=7740) at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:737
#4  0x00002b651ebdbcfe in gray_line_to (to=<value optimized out>,
raster=0x25)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:1060
#5  0x00002b651eb9980e in FT_Outline_Decompose (outline=0xa4dac8, 
    func_interface=0x2b651ee03160, user=0xa4d3c0)
    at /home/rvv/cvs/freetype2/src/base/ftoutln.c:149
#6  0x00002b651ebdadec in gray_convert_glyph_inner (raster=0xa4d3c0)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:1573
#7  0x00002b651ebdb374 in gray_raster_render (raster=0xa4d3c0, 
    params=<value optimized out>)
    at /home/rvv/cvs/freetype2/src/smooth/ftgrays.c:1693
#8  0x00002b651ebda962 in ft_smooth_render_generic (render=0xa4d300, 
    slot=0x7fff8bf3b490, mode=<value optimized out>, origin=0x0, 
    required_mode=<value optimized out>, hmul=0, vmul=0)
    at /home/rvv/cvs/freetype2/src/smooth/ftsmooth.c:198
#9  0x00002b651ebdaae1 in ft_smooth_render (render=0xa4d3c0, slot=0x40, 
    mode=4294896448, origin=0xa47718)
    at /home/rvv/cvs/freetype2/src/smooth/ftsmooth.c:242
#10 0x00002b651eb9b9cc in FT_Render_Glyph_Internal (library=0x8aec80, 
    slot=0x7fff8bf3b490, render_mode=FT_RENDER_MODE_NORMAL)
    at /home/rvv/cvs/freetype2/src/base/ftobjs.c:3269
#11 0x00002b651eba183d in FT_Glyph_To_Bitmap (the_glyph=0x8ec308, 
    render_mode=FT_RENDER_MODE_NORMAL, origin=0x0, destroy=1 '\001')
    at /home/rvv/cvs/freetype2/src/base/ftglyph.c:621
#12 0x000000000040aa50 in ft_cache_glyph (font=0x8cefc0, wchar=64, 
    glyph_bbox=0x0) at leetft.c:99
#13 0x000000000040b32f in ft_font_new (
    file=0x8aec50 "/usr/share/tvtime/tvtimeSansBold.ttf", 
    fontsize=<value optimized out>, pixel_aspect=86.625) at leetft.c:171
#14 0x000000000040c5a8 in osd_font_new (
    fontfile=0x464af0 "tvtimeSansBold.ttf", fontsize=80,
pixel_aspect=1.203125)
    at osdtools.c:60
#15 0x000000000041266e in tvtime_osd_new (width=<value optimized out>, 
    height=576, pixel_aspect=1.203125, fieldtime=<value optimized out>, 
    channel_rgb=4294967040, other_rgb=4294303411) at tvtimeosd.c:248
#16 0x000000000045ca9d in tvtime_main (rtctimer=0x87e030, read_stdin=0, 
    realtime=1, argc=<value optimized out>, argv=0x7fff8bf3d698)
    at tvtime.c:1449
#17 0x00000000004612d9 in main (argc=1, argv=0x7fff8bf3d698) at
tvtime.c:2741
#18 0x0000003a4e020ab4 in __libc_start_main (main=0x4611b0 <main>,
argc=1, 
    ubp_av=0x7fff8bf3d698, init=<value optimized out>, 
    fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff8bf3d688) from /lib64/libc.so.6
#19 0x0000000000405049 in _start ()

from valgrind:

==21664== Invalid read of size 4
==21664==    at 0x4C75D32: gray_record_cell (ftgrays.c:389)
==21664==    by 0x4C7674B: gray_set_cell (ftgrays.c:457)
==21664==    by 0x4C7682B: gray_render_scanline (ftgrays.c:559)
==21664==    by 0x4C76B1E: gray_render_line (ftgrays.c:737)
==21664==    by 0x4C76CFD: gray_line_to (ftgrays.c:1060)
==21664==    by 0x4C3480D: FT_Outline_Decompose (ftoutln.c:149)
==21664==    by 0x4C75DEB: gray_convert_glyph_inner (ftgrays.c:1573)
==21664==    by 0x4C76373: gray_raster_render (ftgrays.c:1693)
==21664==    by 0x4C75961: ft_smooth_render_generic (ftsmooth.c:198)
==21664==    by 0x4C75AE0: ft_smooth_render (ftsmooth.c:242)
==21664==    by 0x4C369CB: FT_Render_Glyph_Internal (ftobjs.c:3269)
==21664==    by 0x4C3C83C: FT_Glyph_To_Bitmap (ftglyph.c:621)
==21664==  Address 0xFFFEEB40 is not stack'd, malloc'd or (recently)
free'd
==21664== 
==21664== Process terminating with default action of signal 11 (SIGSEGV)
==21664==  Access not within mapped region at address 0xFFFEEB40
==21664==    at 0x4C75D32: gray_record_cell (ftgrays.c:389)
==21664==    by 0x4C7674B: gray_set_cell (ftgrays.c:457)
==21664==    by 0x4C7682B: gray_render_scanline (ftgrays.c:559)
==21664==    by 0x4C76B1E: gray_render_line (ftgrays.c:737)
==21664==    by 0x4C76CFD: gray_line_to (ftgrays.c:1060)
==21664==    by 0x4C3480D: FT_Outline_Decompose (ftoutln.c:149)
==21664==    by 0x4C75DEB: gray_convert_glyph_inner (ftgrays.c:1573)
==21664==    by 0x4C76373: gray_raster_render (ftgrays.c:1693)
==21664==    by 0x4C75961: ft_smooth_render_generic (ftsmooth.c:198)
==21664==    by 0x4C75AE0: ft_smooth_render (ftsmooth.c:242)
==21664==    by 0x4C369CB: FT_Render_Glyph_Internal (ftobjs.c:3269)
==21664==    by 0x4C3C83C: FT_Glyph_To_Bitmap (ftglyph.c:621)

-- 
Ronny V. Vindenes <address@hidden>