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i need a help with this command

FFMPEG COMMAND:

ffmpeg -y -i /input.wmv -vcodec libx264 -acodec libfaac -ac 2 -bufsize 20M -sameq -f mp4 /output.mp4

Output:

ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers
  built on Oct  9 2012 07:04:08 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
[wmv3 @ 0x16a4800] Extra data: 8 bits left, value: 0
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, asf, from '/input.wmv':
  Metadata:
    WMFSDKVersion   : 11.0.5721.5275
    WMFSDKNeeded    : 0.0.0.0000
    IsVBR           : 0
  Duration: 00:01:35.10, start: 0.000000, bitrate: 496 kb/s
    Stream #0:0(spa): Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, stereo, s16, 64 kb/s
    Stream #0:1(spa): Video: wmv3 (Main) (WMV3 / 0x33564D57), yuv420p, 320x240, 425 kb/s, SAR 1:1 DAR 4:3, 29.97 tbr, 1k tbn, 1k tbc
[libx264 @ 0x16c3000] VBV bufsize set but maxrate unspecified, ignored
[libx264 @ 0x16c3000] using SAR=1/1
[libx264 @ 0x16c3000] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
[libx264 @ 0x16c3000] profile High, level 1.3
[libx264 @ 0x16c3000] 264 - core 128 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[wmv3 @ 0x16a4800] Extra data: 8 bits left, value: 0
Output #0, mp4, to '/output.mp4':
  Metadata:
    WMFSDKVersion   : 11.0.5721.5275
    WMFSDKNeeded    : 0.0.0.0000
    IsVBR           : 0
    encoder         : Lavf54.29.104
    Stream #0:0(spa): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=-1--1, 30k tbn, 29.97 tbc
    Stream #0:1(spa): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s
Stream mapping:
  Stream #0:1 -> #0:0 (wmv3 -> libx264)
  Stream #0:0 -> #0:1 (wmav2 -> libfaac)
Press [q] to stop, [?] for help
[libfaac @ 0x16b3600] Que input is backward in time
[mp4 @ 0x16bb3a0] st:0 PTS: 6174 DTS: 6174 < 7169 invalid, clipping
frame=  144 fps=0.0 q=29.0 size=     207kB time=00:00:03.38 bitrate= 500.3kbits/s    
frame=  259 fps=257 q=29.0 size=     447kB time=00:00:07.30 bitrate= 501.3kbits/s    
frame=  375 fps=248 q=29.0 size=     668kB time=00:00:11.01 bitrate= 496.5kbits/s    
frame=  487 fps=241 q=29.0 size=     836kB time=00:00:14.85 bitrate= 460.7kbits/s    
frame=  605 fps=240 q=29.0 size=    1080kB time=00:00:18.92 bitrate= 467.4kbits/s    
frame=  719 fps=238 q=29.0 size=    1306kB time=00:00:22.80 bitrate= 469.2kbits/s    
frame=  834 fps=237 q=29.0 size=    1546kB time=00:00:26.52 bitrate= 477.3kbits/s    
frame=  953 fps=237 q=29.0 size=    1763kB time=00:00:30.27 bitrate= 477.0kbits/s    
frame= 1071 fps=237 q=29.0 size=    1986kB time=00:00:34.36 bitrate= 473.4kbits/s    
frame= 1161 fps=231 q=29.0 size=    2160kB time=00:00:37.21 bitrate= 475.4kbits/s    
frame= 1221 fps=220 q=29.0 size=    2282kB time=00:00:39.53 bitrate= 472.9kbits/s    
frame= 1280 fps=212 q=29.0 size=    2392kB time=00:00:41.16 bitrate= 476.1kbits/s    
frame= 1331 fps=203 q=29.0 size=    2502kB time=00:00:43.23 bitrate= 474.1kbits/s    
frame= 1379 fps=195 q=29.0 size=    2618kB time=00:00:44.72 bitrate= 479.6kbits/s    
frame= 1430 fps=189 q=29.0 size=    2733kB time=00:00:46.34 bitrate= 483.0kbits/s    
frame= 1487 fps=184 q=29.0 size=    2851kB time=00:00:48.40 bitrate= 482.6kbits/s    
frame= 1546 fps=180 q=26.0 size=    2973kB time=00:00:50.43 bitrate= 482.9kbits/s    
frame= 1610 fps=177 q=29.0 size=    3112kB time=00:00:52.40 bitrate= 486.5kbits/s    
frame= 1672 fps=174 q=29.0 size=    3231kB time=00:00:54.35 bitrate= 487.0kbits/s    
frame= 1733 fps=171 q=29.0 size=    3348kB time=00:00:56.51 bitrate= 485.3kbits/s    
frame= 1792 fps=169 q=29.0 size=    3459kB time=00:00:58.28 bitrate= 486.2kbits/s    
frame= 1851 fps=166 q=29.0 size=    3588kB time=00:01:00.32 bitrate= 487.2kbits/s    
frame= 1910 fps=164 q=29.0 size=    3716kB time=00:01:02.36 bitrate= 488.1kbits/s    
frame= 1972 fps=162 q=29.0 size=    3833kB time=00:01:04.45 bitrate= 487.1kbits/s    
frame= 2032 fps=161 q=29.0 size=    3946kB time=00:01:06.40 bitrate= 486.8kbits/s    
frame= 2091 fps=159 q=29.0 size=    4080kB time=00:01:08.35 bitrate= 488.9kbits/s    
frame= 2150 fps=158 q=29.0 size=    4201kB time=00:01:10.54 bitrate= 487.9kbits/s    
frame= 2206 fps=156 q=29.0 size=    4315kB time=00:01:12.39 bitrate= 488.3kbits/s    
frame= 2263 fps=154 q=29.0 size=    4438kB time=00:01:14.21 bitrate= 489.9kbits/s    
frame= 2327 fps=154 q=29.0 size=    4567kB time=00:01:16.16 bitrate= 491.2kbits/s    
frame= 2388 fps=152 q=29.0 size=    4666kB time=00:01:18.48 bitrate= 487.0kbits/s    
frame= 2450 fps=152 q=29.0 size=    4776kB time=00:01:20.24 bitrate= 487.6kbits/s    
frame= 2511 fps=151 q=29.0 size=    4890kB time=00:01:22.15 bitrate= 487.6kbits/s    
frame= 2575 fps=150 q=29.0 size=    5015kB time=00:01:24.42 bitrate= 486.6kbits/s    
frame= 2635 fps=149 q=29.0 size=    5130kB time=00:01:26.62 bitrate= 485.2kbits/s    
frame= 2695 fps=148 q=29.0 size=    5258kB time=00:01:28.65 bitrate= 485.9kbits/s    
frame= 2758 fps=147 q=29.0 size=    5382kB time=00:01:30.64 bitrate= 486.4kbits/s    
frame= 2816 fps=147 q=29.0 size=    5521kB time=00:01:32.69 bitrate= 487.9kbits/s    
get_buffer() failed
Error while decoding stream #0:0: Invalid argument
frame= 2848 fps=143 q=-1.0 Lsize=    5787kB time=00:01:35.10 bitrate= 498.4kbits/s
video:5099kB audio:581kB subtitle:0 global headers:0kB muxing overhead 1.884230%
[libx264 @ 0x16c3000] frame I:12    Avg QP:22.64  size: 12092
[libx264 @ 0x16c3000] frame P:1508  Avg QP:25.39  size:  2933
[libx264 @ 0x16c3000] frame B:1328  Avg QP:30.62  size:   491
[libx264 @ 0x16c3000] consecutive B-frames: 10.0% 80.8%  8.1%  1.1%
[libx264 @ 0x16c3000] mb I  I16..4:  1.8% 72.1% 26.0%
[libx264 @ 0x16c3000] mb P  I16..4:  0.4%  2.4%  0.3%  P16..4: 48.3% 19.6% 19.3%  0.0%  0.0%    skip: 9.5%
[libx264 @ 0x16c3000] mb B  I16..4:  0.1%  0.2%  0.0%  B16..8: 52.6%  6.6%  2.3%  direct: 1.4%  skip:36.8%  L0:48.8% L1:42.5% BI: 8.7%
[libx264 @ 0x16c3000] 8x8 transform intra:75.3% inter:55.4%
[libx264 @ 0x16c3000] coded y,uvDC,uvAC intra: 77.9% 81.7% 33.1% inter: 24.2% 11.6% 1.1%
[libx264 @ 0x16c3000] i16 v,h,dc,p: 25% 16% 44% 14%
[libx264 @ 0x16c3000] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 15% 29%  6%  5%  6%  6%  7%  7%
[libx264 @ 0x16c3000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 15% 17%  7%  9%  8%  9%  7%  7%
[libx264 @ 0x16c3000] i8c dc,h,v,p: 50% 19% 24%  7%
[libx264 @ 0x16c3000] Weighted P-Frames: Y:3.8% UV:1.1%
[libx264 @ 0x16c3000] ref P L0: 75.6% 19.1%  4.2%  1.0%  0.1%
[libx264 @ 0x16c3000] ref B L0: 98.1%  1.9%  0.0%
[libx264 @ 0x16c3000] ref B L1: 98.9%  1.1%
[libx264 @ 0x16c3000] kb/s:439.47

FFMPEG Configuration:

--enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvpx --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-gpl --enable-postproc --enable-nonfree
  libavutil      51. 73.101 / 51. 73.101
  libavcodec     54. 59.100 / 54. 59.100
  libavformat    54. 29.104 / 54. 29.104
  libavdevice    54.  2.101 / 54.  2.101
  libavfilter     3. 17.100 /  3. 17.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100

PROBLEM #1:

[libfaac @ 0x16b3600] Que input is backward in time
[mp4 @ 0x16bb3a0] st:0 PTS: 6174 DTS: 6174 < 7169 invalid, clipping

PROBLEM #2:

get_buffer() failed
Error while decoding stream #0:0: Invalid argument
share|improve this question
1  
Please remove -sameq, it doesn't make sense. Remove -f mp4, it's redundant. Then, remove -bufsize 20M unless you also specify the VBV's maxrate. Generally, if you don't have any quality or bitrate constraints, x264 will assume CRF 23, which is a sane default value. –  slhck Oct 15 '12 at 10:01
    
@slhck dont work :S –  Olaf Erlandsen Oct 15 '12 at 10:05
1  
Please update your post and include the new commands instead of the old ones. Is there a chance you could upload the sample file for us? –  slhck Oct 15 '12 at 10:26
1  
Probably the same as FFmpeg Bug #968: Error message at end of asf stream. Consider providing an additional sample to the bug report and testing git master (the most recent ffmpeg code) if possible. We can help you here if you need instructions. –  LordNeckbeard Oct 17 '12 at 5:51
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