[FFmpeg-user] Any way to make this 2GB file any smaller?

[Mike]

Hi , 

 From  logs below i see you have 2.2GB with stream 720x576 h264 1743 bitrate
and ac3 5.1 448 bitrate, what is your desire resolution, size? if you change
only from ac3 5.1 to aac stereo 128 bitrate without changing video stream
then you will change only from 2.2 to 1.9 GB, you can reencode video stream
too , if you change to aac 128 and h264 900 bitrate then you can get like
1.1 GB , if you want use lower bitrate i would sugest scale video or using
slower algorithms for keeping quality


Mike

-----Original Message-----
From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-bounces at ffmpeg.org]
On Behalf Of Gilles
Sent: Friday, November 15, 2013 9:30 AM
To: ffmpeg-user at ffmpeg.org
Subject: [FFmpeg-user] Any way to make this 2GB file any smaller?

Hello,

I went through the online help, but can't figure out what I could do
to make this 2hrs20mn, 2GB movie any smaller:

===========================
c:\>ffprobe.exe input.mp4

ffprobe version N-58043-g0062869 Copyright (c) 2007-2013 the FFmpeg
developers
  built on Nov 12 2013 18:01:41 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca
--enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
--enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvo-aa
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
--enable-libwavp
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 52.100 / 52. 52.100
  libavcodec     55. 41.100 / 55. 41.100
  libavformat    55. 21.100 / 55. 21.100
  libavdevice    55.  5.100 / 55.  5.100
  libavfilter     3. 90.102 /  3. 90.102
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf55.21.100
  Duration: 02:20:38.88, start: 0.000000, bitrate: 1743 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
720x576 [
SAR 64:45 DAR 16:9], 1291 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
(default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz,
5.1(side), fltp,
 448 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
===========================

Thanks for any help.

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