[Ffmpeg-devel] Problems with H264
Aurelien Jacobs
aurel
Wed Sep 14 00:25:53 CEST 2005
On Tue, 13 Sep 2005 20:57:01 +0100
M?ns Rullg?rd <mru at inprovide.com> wrote:
> Hanno B?ck <mail at hboeck.de> writes:
>
> > Am Tuesday, 13. September 2005 20:24 schrieb M?ns Rullg?rd:
> >> > Testing this video
> >> >
> >http://images.apple.com/movies/us/hd_gallery/gl1800/720p/bbc-africa_
> >m720p > >.mov crashes with both latest cvs mplayer and ffplay from
> >ffmpeg cvs after > > some seconds.
> >>
> >> That's a huge file. Where does it crash, exactly?
> >
> > After about 5 seconds. I've attached the mplayer-output. Do you need
> > further info? Does the video run okay for you?
>
> It plays perfectly fine here, only a little slow due to lacking CPU
> power.
I can reproduce the crash here (MPlayer/libavcodec CVS, gcc 4, amd64).
It happens with the bbc-africa_m720p.mov sample, not with other samples
I have.
Here is the log:
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This GDB was configured as "x86_64-linux"...Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) r bbc-africa_m720p.mov
Starting program: /data/mplayer/main.h264/mplayer bbc-africa_m720p.mov
[Thread debugging using libthread_db enabled]
[New Thread 46912569315216 (LWP 14135)]
Using GNU internationalization
Original domain: messages
Original dirname: /usr/share/locale
Current domain: mplayer
Current dirname: /usr/share/locale
MPlayer dev-CVS-050913-22:52-4.0.2 (C) 2000-2005 MPlayer Team
CPU: Advanced Micro Devices (Family: 8, Stepping: 0)
Detected cache-line size is 64 bytes
CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 3DNow 3DNowEx SSE SSE2
Linux RTC init error in ioctl (rtc_irqp_set 1024): Permission denied
Try adding "echo 1024 > /proc/sys/dev/rtc/max-user-freq" to your system startup scripts.
Playing bbc-africa_m720p.mov.
ISO: File Type Major Brand: Original QuickTime
Quicktime/MOV file format detected.
--------------
MOV track #0: 1623 chunks, 12634 samples
Audio bits: 16 chans: 2 rate: 48000
Audio extra header: len=91 fcc=0x77617665
MOV: Found MPEG4 audio Elementary Stream Descriptor atom (51)!
Fourcc: mp4a
--------------
MOV track #1: 1089 chunks, 6599 samples
MOV: Found unknown movie atom colr (18)!
MOV: AVC decoder configuration record atom (44)!
Image size: 1266 x 720 (24 bpp)
Display size: 1266 x 720
Fourcc: avc1 Codec: 'H.264'
--------------
MOV: longest streams: A: #0 (12634 samples) V: #1 (6599 samples)
VIDEO: [avc1] 1266x720 24bpp 24.000 fps 0.0 kbps ( 0.0 kbyte/s)
Clip info:
name: BBC Motion Gallery
copyright: ___2005 BBC
comments: All Rights Reserved
==========================================================================
Opening audio decoder: [faad] AAC (MPEG2/4 Advanced Audio Coding)
AUDIO: 48000 Hz, 2 ch, s16le, 160.0 kbit/10.42% (ratio: 20000->192000)
Selected audio codec: [faad] afm:faad (FAAD AAC (MPEG-2/MPEG-4 Audio) decoder)
==========================================================================
xscreensaver_disable: xscreensaver wid=10485761.
Opening video filter: [pp]
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffh264] vfm:ffmpeg (FFmpeg H.264)
==========================================================================
Building audio filter chain for 48000Hz/2ch/s16le -> 0Hz/0ch/??...
alsa-init: 1 soundcard found, using: default
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little Endian
AO: [alsa] 48000Hz 2ch s16le (2 B/s)
Building audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
Starting playback...
VDec: vo config request - 1266 x 720 (preferred csp: Planar YV12)
[PP] Using external postprocessing filter, max q = 6.
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 1266x720 => 1266x720 Planar YV12
alsa-space: xrun of at least 504.160 msecs. resetting stream?% 0 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.5% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 148 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 149 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 151 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 153 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 155 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 156 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 158 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 160 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 161 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 163 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 165 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.4% 166 0
[h264 @ 0x9f2710]illegal short term buffer state detected 1.9% 168 0
[h264 @ 0x9f2710]get_buffer() failed (0 0 1 0x2aaab3450220).9% 169 0
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912569315216 (LWP 14135)]
0x0000000000681d9f in decode_slice_header (h=0x2aaaaf0ac010) at h264.c:4239
4239 s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
(gdb) bt
#0 0x0000000000681d9f in decode_slice_header (h=0x2aaaaf0ac010) at h264.c:4239
#1 0x0000000000699046 in decode_nal_units (h=0x2aaaaf0ac010, buf=0xb7ec90 "",
buf_size=852) at h264.c:7339
#2 0x000000000069a0a4 in decode_frame (avctx=0xb36260, data=0xb34a30,
data_size=0x7fffffa7865c, buf=0xb7ec90 "", buf_size=852) at h264.c:7514
#3 0x00000000005796c1 in avcodec_decode_video (avctx=0xb36260,
picture=0xb34a30, got_picture_ptr=0x7fffffa7865c, buf=0xb7ec90 "",
buf_size=852) at utils.c:904
#4 0x0000000000461120 in decode (sh=0xb0bd50, data=0xb7ec90, len=852, flags=0)
at vd_ffmpeg.c:816
#5 0x000000000045df2e in decode_video (sh_video=0xb0bd50, start=0xb7ec90 "",
in_size=852, drop_frame=0) at dec_video.c:316
#6 0x00000000004128c9 in main (argc=Variable "argc" is not available.
) at mplayer.c:2437
(gdb) disass $pc-32 $pc+32
Dump of assembler code from 0x681d7f to 0x681dbf:
0x0000000000681d7f <decode_slice_header+1023>: cwtl
0x0000000000681d80 <decode_slice_header+1024>: mov (%r10,%rax,1),%eax
0x0000000000681d84 <decode_slice_header+1028>: xchg %al,%ah
0x0000000000681d86 <decode_slice_header+1030>: ror $0x10,%eax
0x0000000000681d89 <decode_slice_header+1033>: xchg %al,%ah
0x0000000000681d8b <decode_slice_header+1035>: shl %cl,%eax
0x0000000000681d8d <decode_slice_header+1037>: mov %esi,%ecx
0x0000000000681d8f <decode_slice_header+1039>: add %edx,%esi
0x0000000000681d91 <decode_slice_header+1041>: mov %esi,0x10(%r14)
0x0000000000681d95 <decode_slice_header+1045>: neg %ecx
0x0000000000681d97 <decode_slice_header+1047>: shr %cl,%eax
0x0000000000681d99 <decode_slice_header+1049>: mov %eax,0xc0c4(%rbp)
0x0000000000681d9f <decode_slice_header+1055>: mov %eax,0x154(%r12)
0x0000000000681da7 <decode_slice_header+1063>: mov 0x7de0(%rbp),%eax
0x0000000000681dad <decode_slice_header+1069>: movl $0x0,0xc098(%rbp)
0x0000000000681db7 <decode_slice_header+1079>: test %eax,%eax
0x0000000000681db9 <decode_slice_header+1081>: je 0x6820cd <decode_slice_header+1869>
End of assembler dump.
Aurel
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