[MPlayer-dev-eng] MOV bad rescale

Sat Jul 27 10:25:03 CEST 2002

On Saturday 27 July 2002 12:40 am, Bertrand Baudet wrote:
> I uploaded a tarball (bad_aspect_mov.tar.zg) with 3 .mov
> It tracked down from the mov demuxer which read a size of 240x180.
> But the h263 decoder read a CIF format at 352x288 and set the vo driver
> width and height with this. But there is no rescale of the frames to fit
> the window.
> Unfortunatly it takes time to understand what's going on when you don't
> know the code and I not really have time to go further. If  someone can
> have a look at it/fix it, it will be cool. Please let me know what was the
> bug, thanks.

Ok, with CVS of today, the files chris.mov and sarah.mov  
shows the rescale problem.

And tt.mov actually crash:

Starting program: /home/bertrand/projects/mplayer/./mplayer tt.mov
[New Thread 1024 (LWP 18995)]

MPlayer CVS-020726-20:11-3.0.4 (C) 2000-2002 Arpad Gereoffy (see DOCS!)

CPU: Intel Celeron 2/Pentium III Tualatin (Family: 6, Stepping: 1)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX MMX2 SSE

/home/bertrand/.mplayer/config(3): option: ao
/home/bertrand/.mplayer/config(3): parameter: arts
/home/bertrand/.mplayer/config(4): option: aop
/home/bertrand/.mplayer/config(4): parameter: list=volume
Reading /home/bertrand/.mplayer/codecs.conf: 36 audio & 103 video codecs
Font /home/bertrand/.mplayer/font/font.desc loaded successfully! (206 chars)
Linux RTC init error: Permission denied
Using usleep() timing
Input config file /home/bertrand/.mplayer/input.conf parsed : 50 binds

Playing tt.mov
Detected QuickTime/MOV file format!
--------------
MOV track #0: 629 chunks, 1897 samples
Image size: 240 x 180 (24 bpp)
Display size: 240 x 180
Fourcc: h263  Codec: 'H.263'
--------------
MOV track #1: 319 chunks, 0 samples
Audio bits: 16  chans: 2  rate: 22050
Fourcc: QDM2
--------------
Can't find codec for audio format 0x324D4451 !
*** Try to upgrade /home/bertrand/.mplayer/codecs.conf from etc/codecs.conf
*** If it's still not OK, then read DOCS/codecs.html!
vo: X11 running at 1600x1200 with depth 24 and 32 bpp (":0.0" => local 
display)
[x11] Detected wm is of class NetWM.
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec: CPU flags: mmx mmxext sse
Detected video codec: [ffh263] vfm:5 (FFmpeg H263+ decoder)
==========================================================================
Audio: no sound!!!
Start playing...
VDec: vo config request - 352 x 288 (preferred csp: Planar YV12)
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 352x288 => 352x288 Planar YV12

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 18995)]
0x08130628 in put_pixels_mmx (block=0x40c3a040 "", pixels=0x0, line_size=352, 
h=16) at i386/dsputil_mmx.c:348
348         __asm __volatile(
(gdb) bt
#0  0x08130628 in put_pixels_mmx (block=0x40c3a040 "", pixels=0x0, 
line_size=352, h=16) at i386/dsputil_mmx.c:348
#1  0x080f1824 in MPV_motion (s=0x40bea008, dest_y=0x40c3a040 "", 
dest_cb=0x40c58f40 '\200' <repeats 200 times>..., dest_cr=0x40c52c40 '\200' 
<repeats 200 times>..., dir=0,
    ref_picture=0x40bea1fc, pix_op=0x8271d60, qpix_op=0x8271d80) at 
mpegvideo.c:1053
#2  0x080ec1ab in MPV_decode_mb (s=0x40bea008, block=0x40c13958) at 
mpegvideo.c:1501
#3  0x081213d1 in h263_decode_frame (avctx=0x8338000, data=0xbfffe3a0, 
data_size=0xbfffe39c, buf=0x83c8720 "", buf_size=3668) at h263dec.c:320
#4  0x080e94c5 in avcodec_decode_video (avctx=0x8338000, picture=0xbfffe3a0, 
got_picture_ptr=0xbfffe39c, buf=0x83c8720 "", buf_size=3668) at utils.c:102
#5  0x080a9f34 in decode (sh=0x833ef20, data=0x83c8720, len=3668, flags=0) at 
vd_ffmpeg.c:381
#6  0x080a8aae in decode_video (sh_video=0x833ef20, start=0x83c8720 "", 
in_size=3668, drop_frame=0) at dec_video.c:182
#7  0x0807161e in main (argc=2, argv=0xbffff6f4, envp=0xbffff700) at 
mplayer.c:1570
#8  0x40596280 in __libc_start_main () from /lib/libc.so.6
(gdb) disass $eip-32 $eip+32
Dump of assembler code from 0x8130608 to 0x8130648:
0x8130608 <add_pixels_clamped_mmx+104>: mov    $0x5b,%bh
0x813060a <add_pixels_clamped_mmx+106>: pop    %esi
0x813060b <add_pixels_clamped_mmx+107>: pop    %ebp
0x813060c <add_pixels_clamped_mmx+108>: ret
0x813060d <add_pixels_clamped_mmx+109>: lea    0x0(%esi),%esi
0x8130610 <put_pixels_mmx>:     push   %ebp
0x8130611 <put_pixels_mmx+1>:   mov    %esp,%ebp
0x8130613 <put_pixels_mmx+3>:   push   %esi
0x8130614 <put_pixels_mmx+4>:   mov    0x10(%ebp),%ecx
0x8130617 <put_pixels_mmx+7>:   push   %ebx
0x8130618 <put_pixels_mmx+8>:   mov    0x8(%ebp),%esi
0x813061b <put_pixels_mmx+11>:  mov    0xc(%ebp),%ebx
0x813061e <put_pixels_mmx+14>:  mov    0x14(%ebp),%edx
0x8130621 <put_pixels_mmx+17>:  lea    (%ecx,%ecx,1),%eax
0x8130624 <put_pixels_mmx+20>:  lea    0x0(%esi,1),%esi
0x8130628 <put_pixels_mmx+24>:  movq   (%ebx),%mm0
0x813062b <put_pixels_mmx+27>:  movq   (%ebx,%ecx,1),%mm1
0x813062f <put_pixels_mmx+31>:  movq   %mm0,(%esi)
0x8130632 <put_pixels_mmx+34>:  movq   %mm1,(%esi,%ecx,1)
0x8130636 <put_pixels_mmx+38>:  add    %eax,%ebx
0x8130638 <put_pixels_mmx+40>:  add    %eax,%esi
0x813063a <put_pixels_mmx+42>:  movq   (%ebx),%mm0
0x813063d <put_pixels_mmx+45>:  movq   (%ebx,%ecx,1),%mm1
0x8130641 <put_pixels_mmx+49>:  movq   %mm0,(%esi)
0x8130644 <put_pixels_mmx+52>:  movq   %mm1,(%esi,%ecx,1)
End of assembler dump.