converting for ipad using ffmpeg 0.8

[richiedood]

Is there a good command for converting common video file types for ipad (.mp4) using ffmpeg 0.8

I have this at the moment and file sizes are a bit big and scaling audio is fine

is there a way to scale down to 720 keeping aspect ratio for mpeg4


ipad

ffmpeg -i test.flv -vcodec mpeg4 -s 1024x768  -b 512k  -acodec libfaac -strict experimental -ac 2  -ab 256k -ar 44100 test.mp4

output

ffmpeg -i btw.flv -vcodec mpeg4 -s  1024x768  -b 512k  -acodec libfaac -strict experimental -ac 2  -ab 256k -ar 44100 VID8.mp4
ffmpeg version 0.8, Copyright (c) 2000-2011 the FFmpeg developers
  built on Jun 29 2011 13:47:11 with 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
[flv @ 0x1e092400] Estimating duration from bitrate, this may be inaccurate
Input #0, flv, from 'btw.flv':
  Metadata:
    duration        : 213
    starttime       : 0
    totalduration   : 213
    width           : 480
    height          : 360
    videodatarate   : 612
    audiodatarate   : 122
    totaldatarate   : 741
    framerate       : 25
    bytelength      : 19781827
    canseekontime   : true
    sourcedata      : BD4090E46HH1305998944607849
    purl            :
    pmsg            :
  Duration: 00:03:32.96, start: 0.000000, bitrate: 752 kb/s
    Stream #0.0: Video: h264 (Main), yuv420p, 480x360 [PAR 1:1 DAR 4:3], 626 kb/s, 25 tbr, 1k tbn, 50 tbc
    Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 125 kb/s
[buffer @ 0x1e093620] w:480 h:360 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:
[scale @ 0x1e0a8560] w:480 h:360 fmt:yuv420p -> w:1024 h:768 fmt:yuv420p flags:0x4
Output #0, mp4, to 'VID8.mp4':
  Metadata:
    duration        : 213
    starttime       : 0
    totalduration   : 213
    width           : 480
    height          : 360
    videodatarate   : 612
    audiodatarate   : 122
    totaldatarate   : 741
    framerate       : 25
    bytelength      : 19781827
    canseekontime   : true
    sourcedata      : BD4090E46HH1305998944607849
    purl            :
    pmsg            :
    encoder         : Lavf53.4.0
    Stream #0.0: Video: mpeg4, yuv420p, 1024x768 [PAR 1:1 DAR 4:3], q=2-31, 512 kb/s, 25 tbn, 25 tbc
    Stream #0.1: Audio: libfaac, 44100 Hz, stereo, s16, 256 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop, [?] for help
frame=   53 fps=  0 q=31.0 size=     399kB time=00:00:02.04 bitrate=1600.0kbits/frame=  107 fps=106 q=31.0 size=     688kB time=00:00:04.17 bitrate=1347.9kbits/frame=  157 fps=104 q=24.8 size=    1060kB time=00:00:06.17 bitrate=1405.3kbits/frame=  208 fps=103 q=31.0 size=    1414kB time=00:00:08.21 bitrate=1409.0kbits/frame=  262 fps=104 q=31.0 size=    1738kB time=00:00:10.37 bitrate=1372.1kbits/frame=  314 fps=104 q=31.0 size=    2061kB time=00:00:12.46 bitrate=1354.2kbits/frame=  367 fps=104 q=24.8 size=    2368kB time=00:00:14.62 bitrate=1326.1kbits/frame=  423 fps=105 q=31.0 size=    2654kB time=00:00:16.85 bitrate=1289.7kbits/frame=  479 fps=106 q=31.0 size=    2939kB time=00:00:19.06 bitrate=1262.9kbits/frame=  534 fps=106 q=31.0 size=    3218kB time=00:00:21.29 bitrate=1238.0kbits/frame=  586 fps=106 q=31.0 size=    3555kB time=00:00:23.33 bitrate=1248.0kbits/frame=  638 fps=106 q=31.0 size=    3890kB time=00:00:25.44 bitrate=1252.1kbits/frame=  690 fps=106 q=31.0 size=    4224kB time=00:00:27.49 bitrate=1258.6kbits/frame=  744 fps=106 q=31.0 size=    4541kB time=00:00:29.65 bitrate=1254.6kbits/frame=  796 fps=106 q=31.0 size=    4830kB time=00:00:31.74 bitrate=1246.5kbits/frame=  850 fps=106 q=31.0 size=    5145kB time=00:00:33.94 bitrate=1241.5kbits/frame=  903 fps=106 q=31.0 size=    5450kB time=00:00:36.03 bitrate=1239.0kbits/frame=  961 fps=106 q=31.0 size=    5723kB time=00:00:38.33 bitrate=1223.0kbits/frame= 1020 fps=107 q=31.0 size=    5990kB time=00:00:40.70 bitrate=1205.6kbits/frame= 1079 fps=107 q=31.0 size=    6247kB time=00:00:43.07 bitrate=1188.0kbits/frame= 1138 fps=108 q=31.0 size=    6500kB time=00:00:45.41 bitrate=1172.4kbits/frame= 1196 fps=108 q=31.0 size=    6765kB time=00:00:47.76 bitrate=1160.3kbits/frame= 1256 fps=109 q=31.0 size=    7003kB time=00:00:50.13 bitrate=1144.4kbits/frame= 1318 fps=109 q=31.0 size=    7194kB time=00:00:52.61 bitrate=1120.1kbits/frame= 1372 fps=109 q=31.0 size=    7380kB time=00:00:54.77 bitrate=1103.7kbits/frame= 1432 fps=110 q=31.0 size=    7575kB time=00:00:57.19 bitrate=1085.0kbits/frame= 1488 fps=110 q=31.0 size=    7807kB time=00:00:59.41 bitrate=1076.4kbits/frame= 1542 fps=110 q=24.8 size=    8076kB time=00:01:01.57 bitrate=1074.4kbits/frame= 1593 fps=109 q=31.0 size=    8413kB time=00:01:03.62 bitrate=1083.2kbits/frame= 1651 fps=109 q=31.0 size=    8671kB time=00:01:05.94 bitrate=1077.1kbits/frame= 1709 fps=110 q=31.0 size=    8895kB time=00:01:08.26 bitrate=1067.4kbits/frame= 1767 fps=110 q=31.0 size=    9152kB time=00:01:10.58 bitrate=1062.2kbits/frame= 1819 fps=110 q=24.8 size=    9500kB time=00:01:12.65 bitrate=1071.2kbits/frame= 1875 fps=110 q=31.0 size=    9799kB time=00:01:14.90 bitrate=1071.6kbits/frame= 1926 fps=109 q=31.0 size=   10125kB time=00:01:16.95 bitrate=1077.8kbits/frame= 1979 fps=109 q=31.0 size=   10481kB time=00:01:19.06 bitrate=1086.0kbits/frame= 2033 fps=109 q=31.0 size=   10796kB time=00:01:21.24 bitrate=1088.6kbits/frame= 2085 fps=109 q=31.0 size=   11151kB time=00:01:23.31 bitrate=1096.4kbits/frame= 2137 fps=109 q=31.0 size=   11498kB time=00:01:25.40 bitrate=1102.9kbits/frame= 2191 fps=109 q=31.0 size=   11862kB time=00:01:27.53 bitrate=1110.1kbits/frame= 2249 fps=109 q=31.0 size=   12153kB time=00:01:29.86 bitrate=1107.9kbits/frame= 2311 fps=109 q=31.0 size=   12368kB time=00:01:32.34 bitrate=1097.2kbits/frame= 2372 fps=110 q=31.0 size=   12609kB time=00:01:34.78 bitrate=1089.8kbits/frame= 2429 fps=110 q=31.0 size=   12911kB time=00:01:37.05 bitrate=1089.7kbits/frame= 2487 fps=110 q=31.0 size=   13182kB time=00:01:39.38 bitrate=1086.6kbits/frame= 2547 fps=110 q=31.0 size=   13442kB time=00:01:41.77 bitrate=1082.0kbits/frame= 2594 fps=110 q=31.0 size=   13886kB time=00:01:43.67 bitrate=1097.2kbits/frame= 2643 fps=110 q=31.0 size=   14286kB time=00:01:45.62 bitrate=1107.9kbits/frame= 2695 fps=109 q=31.0 size=   14615kB time=00:01:47.69 bitrate=1111.7kbits/frame= 2748 fps=109 q=31.0 size=   14961kB time=00:01:49.83 bitrate=1115.9kbits/frame= 2799 fps=109 q=31.0 size=   15303kB time=00:01:51.87 bitrate=1120.6kbits/frame= 2851 fps=109 q=31.0 size=   15662kB time=00:01:53.94 bitrate=1126.1kbits/frame= 2907 fps=109 q=31.0 size=   15958kB time=00:01:56.19 bitrate=1125.1kbits/frame= 2962 fps=109 q=31.0 size=   16243kB time=00:01:58.37 bitrate=1124.1kbits/frame= 3014 fps=109 q=24.8 size=   16530kB time=00:02:00.46 bitrate=1124.1kbits/frame= 3063 fps=109 q=31.0 size=   16885kB time=00:02:02.41 bitrate=1129.9kbits/frame= 3117 fps=109 q=31.0 size=   17206kB time=00:02:04.59 bitrate=1131.2kbits/frame= 3174 fps=109 q=31.0 size=   17480kB time=00:02:06.87 bitrate=1128.7kbits/frame= 3230 fps=109 q=31.0 size=   17765kB time=00:02:09.10 bitrate=1127.3kbits/frame= 3281 fps=109 q=31.0 size=   18112kB time=00:02:11.19 bitrate=1130.9kbits/frame= 3333 fps=109 q=31.0 size=   18440kB time=00:02:13.21 bitrate=1134.0kbits/frame= 3387 fps=109 q=31.0 size=   18741kB time=00:02:15.41 bitrate=1133.7kbits/frame= 3442 fps=109 q=24.8 size=   19028kB time=00:02:17.57 bitrate=1133.0kbits/frame= 3496 fps=109 q=31.0 size=   19343kB time=00:02:19.73 bitrate=1134.0kbits/frame= 3551 fps=109 q=31.0 size=   19621kB time=00:02:21.94 bitrate=1132.4kbits/frame= 3608 fps=109 q=31.0 size=   19884kB time=00:02:24.21 bitrate=1129.4kbits/frame= 3664 fps=109 q=24.8 size=   20144kB time=00:02:26.49 bitrate=1126.5kbits/frame= 3719 fps=109 q=31.0 size=   20416kB time=00:02:28.65 bitrate=1125.1kbits/frame= 3775 fps=109 q=31.0 size=   20684kB time=00:02:30.90 bitrate=1122.8kbits/frame= 3832 fps=109 q=31.0 size=   20932kB time=00:02:33.22 bitrate=1119.1kbits/frame= 3890 fps=109 q=31.0 size=   21170kB time=00:02:35.50 bitrate=1115.2kbits/frame= 3945 fps=109 q=31.0 size=   21445kB time=00:02:37.70 bitrate=1113.9kbits/frame= 4000 fps=109 q=31.0 size=   21716kB time=00:02:39.89 bitrate=1112.6kbits/frame= 4056 fps=109 q=31.0 size=   22002kB time=00:02:42.14 bitrate=1111.6kbits/frame= 4117 fps=109 q=31.0 size=   22183kB time=00:02:44.58 bitrate=1104.1kbits/frame= 4183 fps=109 q=31.0 size=   22343kB time=00:02:47.23 bitrate=1094.5kbits/frame= 4244 fps=110 q=31.0 size=   22537kB time=00:02:49.66 bitrate=1088.2kbits/frame= 4302 fps=110 q=31.0 size=   22768kB time=00:02:51.99 bitrate=1084.4kbits/frame= 4362 fps=110 q=31.0 size=   22954kB time=00:02:54.38 bitrate=1078.3kbits/frame= 4420 fps=110 q=24.8 size=   23222kB time=00:02:56.70 bitrate=1076.6kbits/frame= 4482 fps=110 q=31.0 size=   23432kB time=00:02:59.18 bitrate=1071.3kbits/frame= 4543 fps=110 q=31.0 size=   23628kB time=00:03:01.64 bitrate=1065.6kbits/frame= 4606 fps=110 q=31.0 size=   23803kB time=00:03:04.13 bitrate=1059.0kbits/frame= 4668 fps=111 q=31.0 size=   24002kB time=00:03:06.61 bitrate=1053.6kbits/frame= 4732 fps=111 q=24.8 size=   24170kB time=00:03:09.17 bitrate=1046.6kbits/frame= 4797 fps=111 q=31.0 size=   24336kB time=00:03:11.77 bitrate=1039.6kbits/frame= 4863 fps=111 q=31.0 size=   24488kB time=00:03:14.42 bitrate=1031.8kbits/frame= 4929 fps=111 q=31.0 size=   24654kB time=00:03:17.06 bitrate=1024.8kbits/frame= 4995 fps=112 q=31.0 size=   24809kB time=00:03:19.69 bitrate=1017.8kbits/frame= 5059 fps=112 q=31.0 size=   24995kB time=00:03:22.26 bitrate=1012.3kbits/frame= 5112 fps=112 q=31.0 size=   25352kB time=00:03:24.38 bitrate=1016.1kbits/frame= 5170 fps=112 q=31.0 size=   25629kB time=00:03:26.72 bitrate=1015.6kbits/frame= 5242 fps=112 q=31.0 size=   25791kB time=00:03:29.58 bitrate=1008.1kbits/frame= 5322 fps=113 q=31.0 size=   25878kB time=00:03:32.78 bitrate= 996.3kbits/frame= 5325 fps=113 q=31.0 Lsize=   25997kB time=00:03:33.00 bitrate= 999.8kbits/s
video:22009kB audio:3872kB global headers:0kB muxing overhead 0.450003%