Thread: sound issue in ffmpeg libfaac

i have got "slipping" sound issue though -sort of breaking trying catch up...just bit.

seems .mov file , same in different players.

code:

code:

ffmpeg -i vid.mov -vcodec libx264 -preset fast -crf 23 -threads 0 -vf scale="720:trunc(ow/a/2)*2" -acodec libfaac -aq 100 wed4.flv ffmpeg version 0.8, copyright (c) 2000-2011 ffmpeg developers   built on jun 29 2011 13:47:11 gcc 4.1.2 20080704 (red hat 4.1.2-50)   configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-pthreads --enable-x11grab --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfaac --enable-libmp3lame --enable-libopenjpeg --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-zlib --enable-swscale   libavutil    51.  9. 1 / 51.  9. 1   libavcodec   53.  7. 0 / 53.  7. 0   libavformat  53.  4. 0 / 53.  4. 0   libavdevice  53.  1. 1 / 53.  1. 1   libavfilter   2. 23. 0 /  2. 23. 0   libswscale    2.  0. 0 /  2.  0. 0   libpostproc  51.  2. 0 / 51.  2. 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1e151400] max_analyze_duration 5000000 reached @ 5013333  seems stream 0 codec frame rate differs container frame rate: 5000.00 (5000/1) -> 25.00 (25/1) input #0, mov,mp4,m4a,3gp,3g2,mj2, 'vid.mov':   metadata:     major_brand     : qt     minor_version   : 537199360     compatible_brands: qt     creation_time   : 2011-06-29 20:36:34   duration: 00:01:39.37, start: 0.000000, bitrate: 17989 kb/s     stream #0.0(eng): video: h264 (main), yuv420p, 1440x1080, 17672 kb/s, par 4:3 dar 16:9, 25 fps, 25 tbr, 2500 tbn, 5k tbc     metadata:       creation_time   : 2011-06-29 20:36:34     stream #0.1(eng): audio: aac, 48000 hz, stereo, s16, 313 kb/s     metadata:       creation_time   : 2011-06-29 20:36:34     stream #0.2(eng): data: tmcd / 0x64636d74     metadata:       creation_time   : 2011-06-29 20:36:34 [buffer @ 0x1e1758e0] w:1440 h:1080 pixfmt:yuv420p tb:1/1000000 sar:4/3 sws_param: [scale @ 0x1e196fa0] w:1440 h:1080 fmt:yuv420p -> w:720 h:538 fmt:yuv420p flags:0x4 [libx264 @ 0x1e158420] using sar=4/3 [libx264 @ 0x1e158420] using cpu capabilities: mmx2 sse2fast ssse3 fastshuffle sse4.2 [libx264 @ 0x1e158420] profile high, level 3.0 [libx264 @ 0x1e158420] 264 - core 115 r2008 4c552d8 - h.264/mpeg-4 avc codec - copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=2 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=6 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 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=1 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=30 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 output #0, flv, 'wed4.flv':   metadata:     major_brand     : qt     minor_version   : 537199360     compatible_brands: qt     creation_time   : 2011-06-29 20:36:34     encoder         : lavf53.4.0     stream #0.0(eng): video: libx264, yuv420p, 720x538 [par 4:3 dar 480:269], q=2-31, 200 kb/s, 1k tbn, 25 tbc     metadata:       creation_time   : 2011-06-29 20:36:34     stream #0.1(eng): audio: libfaac, 48000 hz, stereo, s16, 64 kb/s     metadata:       creation_time   : 2011-06-29 20:36:34 stream mapping:   stream #0.0 -> #0.0   stream #0.1 -> #0.1 press [q] stop, [?] frame= 2484 fps= 50 q=-1.0 lsize=   14920kb time=00:01:39.28 bitrate=1231.1kbits/s video:12999kb audio:1795kb global headers:0kb muxing overhead 0.853988% frame i:59    avg qp:20.53  size: 22467 [libx264 @ 0x1e158420] frame p:1676  avg qp:24.42  size:  6453 [libx264 @ 0x1e158420] frame b:749   avg qp:27.24  size:  1561 [libx264 @ 0x1e158420] consecutive b-frames: 54.1% 14.7%  6.6% 24.5% [libx264 @ 0x1e158420] mb  i16..4: 20.2% 61.2% 18.6% [libx264 @ 0x1e158420] mb p  i16..4:  6.8% 11.7%  2.1%  p16..4: 23.9%  9.7%  4.3%  0.0%  0.0%    skip:41.4% [libx264 @ 0x1e158420] mb b  i16..4:  1.0%  1.9%  0.4%  b16..8: 10.6%  3.8%  0.5%  direct: 5.0%  skip:76.9%  l0:36.5% l1:49.8% bi:13.7% [libx264 @ 0x1e158420] 8x8 transform intra:57.3% inter:72.4% [libx264 @ 0x1e158420] coded y,uvdc,uvac intra: 47.8% 54.1% 20.0% inter: 13.8% 13.4% 1.2% [libx264 @ 0x1e158420] i16 v,h,dc,p: 34% 43%  4% 19% [libx264 @ 0x1e158420] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 20% 21%  5%  7%  7%  7%  6%  7% [libx264 @ 0x1e158420] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 23% 16%  5%  8%  7%  7%  5%  5% [libx264 @ 0x1e158420] i8c dc,h,v,p: 57% 20% 16%  7% [libx264 @ 0x1e158420] weighted p-frames: y:2.0% uv:1.4% [libx264 @ 0x1e158420] ref p l0: 83.1% 16.9% [libx264 @ 0x1e158420] ref b l0: 88.8% 11.2% [libx264 @ 0x1e158420] ref b l1: 97.6%  2.4% [libx264 @ 0x1e158420] kb/s:1071.65

answered in re: ffmpeg .flv quality issues.

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