[MPlayer-dev-eng] SwScaler bug
Arpi
arpi at thot.banki.hu
Sun Apr 7 23:41:18 CEST 2002
Hi,
I've just implemented swscale filter (vf_scale.c), it also supports limited
colorspace conversion.
It worked when in and out fourcc is teh same, but just sig11 when scaling
(or converting, dest size == src size) yv12 -> bgr32.
Logs:
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This GDB was configured as "i386-slackware-linux"...
(gdb) run Coyote.Ugly.Sample-highbitrate-atmos.avi -vop scale -vo x11 -v
Starting program: /usr/local/bin/mplayer Coyote.Ugly.Sample-highbitrate-atmos.avi -vop scale -vo x11 -v
MPlayer CVS-020407-20:17-2.95.3 (C) 2000-2002 Arpad Gereoffy (see DOCS!)
CPUflags: Type: 8 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
CPU vendor name: GenuineIntel max cpuid level: 2
CPU: Intel Pentium 4 Xeon Foster (Type: 8, Stepping: 2)
extended cpuid-level: 4
Testing OS support for SSE... yes.
Testing OS support for SSE unmasked exceptions... yes.
Tests of OS support for SSE passed.
Compiled with RUNTIME CPU Detection - warning, it's not optimal! To get best performance, recompile mplayer from sources with --disable-runtime-cpudetection
CommandLine:Reading /root/.mplayer/codecs.conf: 30 audio & 81 video codecs
get_path('font/font.desc') -> '/root/.mplayer/font/font.desc'
'Coyote.Ugly.Sample-highbitrate-atmos.avi' '-vop' 'scale' '-vo' 'x11' '-v'
Using Linux's hardware RTC timing (1024Hz)
Font /root/.mplayer/font/font.desc loaded successfully! (206 chars)
get_path('input.conf') -> '/root/.mplayer/input.conf'
Can't open input config file /root/.mplayer/input.conf : No such file or directory
Falling back on default (hardcoded) config
Playing Coyote.Ugly.Sample-highbitrate-atmos.avi
Can't open IFO file: No such file or directory
File size is 19185664 bytes
Not an URL!
Detected AVI file format!
==> Found video stream: 0
list_end=0x2292
======= AVI Header =======
us/frame: 40000 (fps=25.000)
max bytes/sec: 0
padding: 0
MainAVIHeader.dwFlags: (272) HAS_INDEX IS_INTERLEAVED
frames total: 1913 initial: 0
streams: 2
Suggested BufferSize: 0
Size: 640 x 480
list_end=0x10F4
found 'bih', 40 bytes of 40
======= STREAM Header =======
Type: vids FCC: div3 (33766964)
Flags: 0
Priority: 0 Language: 0
InitialFrames: 0
Rate: 25/1 = 25.000
Start: 0 Len: 1913
Suggested BufferSize: 48632
Quality 5000
Sample size: 0
Regenerating keyframe table for DIVX 3 video
======= VIDEO Format ======
biSize 40
biWidth 640
biHeight 480
biPlanes 1
biBitCount 24
biCompression 861292868='DIV3'
biSizeImage 921600
===========================
==> Found audio stream: 1
list_end=0x2186
found 'wf', 30 bytes of 20
======= STREAM Header =======
Type: auds FCC: (0)
Flags: 0
Priority: 0 Language: 0
InitialFrames: 1
Rate: 16000/1 = 16000.000
Start: 0 Len: 1224320
Suggested BufferSize: 8000
Quality -1
Sample size: 1
Broken chunk? chunksize=1382 (id=JUNK)
======= WAVE Format =======
Format Tag: 85 (0x55)
Channels: 2
Samplerate: 48000
avg byte/sec: 16000
Block align: 1
bits/sample: 0
cbSize: 12
list_end=0x2292
Found movie at 0x280C - 0x123CEF8
list_end=0x123CEF8
Reading INDEX block, 3815 chunks for 1913 frames
Broken chunk? chunksize=0 (id=idx1)
Reading INDEX block, 3815 chunks for 1913 frames
AVI index offset: 0x2808 (movi=0x280C idx0=0x4 idx1=0x1F4C)
Auto-selected AVI audio ID = 1
Auto-selected AVI video ID = 0
AVI: Searching for audio stream (id:1)
AVI video length=17858876
VIDEO: [DIV3] 640x480 24bpp 25.00 fps 1867.1 kbps (227.9 kbyte/s)
[V] filefmt:3 fourcc:0x33564944 size:640x480 fps:25.00 ftime:=0.0400
get_path('sub/') -> '/root/.mplayer/sub/'
Detected audio codec: [mp3] drv:1 (MPEG layer-2, layer-3)
Initializing audio codec...
dec_audio: Allocating 4608 + 65536 = 70144 bytes for output buffer
Selecting Audio Decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: srate=48000 chans=2 bps=2 sfmt=0x10 ratio: 16000->192000
CPU vendor name: GenuineIntel max cpuid level: 2
CPU: Intel Pentium 4 Xeon Foster (Type: 8, Stepping: 2)
extended cpuid-level: 4
Testing OS support for SSE... yes.
Testing OS support for SSE unmasked exceptions... yes.
Tests of OS support for SSE passed.
mp3lib: made decode tables with MMX optimization
init layer2&3 finished, tables done
mp3lib: using MMX optimized decore!
MPEG 1.0, Layer III, 48000 Hz 128 kbit Joint-Stereo, BPF: 384
Channels: 2, copyright: No, original: Yes, CRC: No, emphasis: 0
Opening video filter 'scale' with args '(null)'...
X11 opening display: :0.0
vo: X11 color mask: FFFFFF (R:FF0000 G:FF00 B:FF)
vo: X11 running at 1024x768 with depth 24 and 32 bits/pixel (":0.0" => local display)
==========================================================================
SwScale: -1 x -1
INFO: libavcodec init OK!
Opening Video Decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec: CPU flags: mmx mmxext sse sse2
Detected video codec: [ffdivx] drv:5 prio:0 (FFmpeg DivX ;-) (MS MPEG-4 v3))
==========================================================================
AO: [oss] 48000Hz Stereo Signed 16-bit (Little-Endian)
AO: Description: OSS/ioctl audio output
AO: Author: A'rpi
Start playing...
ao2: 48000 Hz 2 chans Signed 16-bit (Little-Endian)
audio_setup: using '/dev/dsp' dsp device
audio_setup: sample format: Signed 16-bit (Little-Endian) (requested: Signed 16-bit (Little-Endian))
audio_setup: using 2 channels (requested: 2)
audio_setup: using 48000 Hz samplerate (requested: 48000)
audio_setup: frags: 16/16 (4096 bytes/frag) free: 65536
VDec: vo config request - 640 x 480, Planar YV12
Movie-Aspect is undefined - no prescaling applied.
video_out->init(640x480->640x480,flags=0,'MPlayer',0x32315659)
scale: query(BGR 32-bit) -> 3
A: 0.1 V: 0.0 A-V: 0.105 ct: 0.000 1/ 1 0% 0% 0.0% 0 0 0%
SwScale scaling 640x480 Planar YV12 to -1x-1 BGR 32-bit
Using MMX2 for colorspace transform
SwScaler: using unscaled Planar YV12 -> BGR 32-bit special converter
Sharing memory.
Using MMX2 for colorspace transform
Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay
XXX initial v_pts=0.000 a_pos=8000 (0.500)
*** [scale] Exporting mp_image_t, 640x480x12bpp YUV planar, 460800 bytes
*** [vo] Allocating mp_image_t, 640x480x32bpp RGB packed, 1228800 bytes
[New Thread 1024 (LWP 20811)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 20811)]
0x81bbf8c in yuv420_argb32_MMX2 () at eval.c:88
88 eval.c: No such file or directory.
(gdb) bt
#0 0x81bbf8c in yuv420_argb32_MMX2 () at eval.c:88
#1 0x40708000 in ?? ()
#2 0x1e0 in ?? () at eval.c:88
Cannot access memory at address 0x280
(gdb) disass $eip-32 $eip+32
Dump of assembler code from 0x81bbf6c to 0x81bbfac:
0x81bbf6c <yuv420_argb32_MMX2+24>: out %eax,(%dx)
0x81bbf6d <yuv420_argb32_MMX2+25>: in $0x8b,%al
0x81bbf6f <yuv420_argb32_MMX2+27>:
jl 0x81bbf95 <yuv420_argb32_MMX2+65>
0x81bbf71 <yuv420_argb32_MMX2+29>: inc %esp
0x81bbf72 <yuv420_argb32_MMX2+30>: dec %edi
0x81bbf73 <yuv420_argb32_MMX2+31>:
js 0x81bc0f0 <yuv420_argb32_MMX2+412>
0x81bbf79 <yuv420_argb32_MMX2+37>: lea 0x0(%esi,1),%esi
0x81bbf80 <yuv420_argb32_MMX2+44>: mov 0x38(%esp,1),%ebx
0x81bbf84 <yuv420_argb32_MMX2+48>: mov %eax,%esi
0x81bbf86 <yuv420_argb32_MMX2+50>: mov %edx,%eax
0x81bbf88 <yuv420_argb32_MMX2+52>: mov 0x3c(%esp,1),%edx
0x81bbf8c <yuv420_argb32_MMX2+56>: movd (%ebx),%mm0
0x81bbf8f <yuv420_argb32_MMX2+59>: movd (%edx),%mm1
0x81bbf92 <yuv420_argb32_MMX2+62>: movq (%eax),%mm6
0x81bbf95 <yuv420_argb32_MMX2+65>: mov 0x40(%esp,1),%ecx
0x81bbf99 <yuv420_argb32_MMX2+69>: dec %edi
0x81bbf9a <yuv420_argb32_MMX2+70>: mov %edi,0x18(%esp,1)
0x81bbf9e <yuv420_argb32_MMX2+74>: mov 0x4c(%esp,1),%edi
0x81bbfa2 <yuv420_argb32_MMX2+78>: mov 0x48(%esp,1),%ebp
0x81bbfa6 <yuv420_argb32_MMX2+82>: sar $0x3,%ecx
0x81bbfa9 <yuv420_argb32_MMX2+85>: add %eax,%edi
0x81bbfab <yuv420_argb32_MMX2+87>: mov %edi,0x14(%esp,1)
End of assembler dump.
(gdb) printf "eax=%08lX\n",$eax
eax=40834040
(gdb) printf "ebx=%08lX\n",$ebx
ebx=00000000
(gdb) printf "ecx=%08lX\n",$ecx
ecx=00000A00
(gdb) printf "edx=%08lX\n",$edx
edx=00000000
(gdb) printf "esp=%08lX\n",$esp
esp=BFFFE3B4
(gdb) printf "ebp=%08lX\n",$ebp
ebp=0839B3C0
(gdb) printf "edi=%08lX\n",$edi
edi=000001DF
(gdb) printf "esi=%08lX\n",$esi
esi=40708000
(gdb) q
The program is running. Exit anyway? (y or n)
A'rpi / Astral & ESP-team
--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu
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