FFmpeg MKV to MP4 HD
M2
M.2 at btinternet.com
Sun Feb 12 14:15:31 EST 2012
bat guano wrote:
>
>
> ----------------------------------------
>
>> On Windows:
>> C:\Program Files\get_iplayer\ffmpeg\bin>ffmpeg -i o:\MKV\file.mkv -t 60
>> -vf "scale=1280:trunc(ow/a/2)*2" -vcodec libx264 -acodec libfaac -aq 120
>> -ac 2 filename.mp4
>> FFmpeg version SVN-r26400, Copyright (c) 2000-2011 the FFmpeg developers
>> built on Jan 18 2011 04:07:05 with gcc 4.4.2
>> configuration: --enable-gpl --enable-version3 --enable-libgsm
>> --enable-libvorbis --enable-libtheora --enable-libspeex
>> --enable-libmp3lame --enable-libopenjpeg --enable-libschroedinger
>> --enable-libopencore_amrwb --enable-libopencore_a
>> mrnb --enable-libvpx --disable-decoder=libvpx --arch=x86
>> --enable-runtime-cpudetect --enable-libxvid --enable-libx264
>> --enable-librtmp --extra-libs='-lrtmp -lpolarssl -lws2_32 -lwinmm'
>> --target-os=mingw32 --enable-avisynth --enable-w32
>> threads --cross-prefix=i686-mingw32- --cc='ccache i686-mingw32-gcc'
>> --enable-memalign-hack
>> Unknown encoder 'libfaac'
>>
>> C:\Program Files\get_iplayer\ffmpeg\bin>
>>
> This version of FFmpeg has been compiled without "libfaac" enabled.
>
> So (for now) use FFmpeg's own "aac" codec instead of "libfaac".
> Using your Windows get_iplayer version of FFmpeg....
> Try again with this command:-
> ffmpeg -i filename.mkv -t 60 -vf "scale=1280:trunc(ow/a/2)*2" -vcodec libx264 -acodec aac -ab 128k -ac 2 -strict experimental filename.mp4
>
Hi,
that works only with latest ffmpeg-git-fd0b8d5-win32-static :) Thank you
very much.
Few questions, looking at the recording from the device (Nokia N8):
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 42.7 MiB
Duration : 37s 479ms
Overall bit rate mode : Constant
Overall bit rate : 9 567 Kbps
Encoded date : UTC 2012-02-05 15:43:05
Tagged date : UTC 2012-02-05 15:43:05
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline at L3.1
Format settings, CABAC : No
Format settings, ReFrames : 1 frame
Format settings, GOP : M=1, N=25
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 37s 479ms
Bit rate mode : Constant
Bit rate : 9 432 Kbps
Nominal bit rate : 12.0 Mbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 25.000 fps
Original frame rate : 12.500 fps
Minimum frame rate : 24.814 fps
Maximum frame rate : 25.189 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.409
Stream size : 42.1 MiB (99%)
Encoded date : UTC 2012-02-05 15:43:05
Tagged date : UTC 2012-02-05 15:43:05
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 37s 269ms
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 583 KiB (1%)
Encoded date : UTC 2012-02-05 15:43:05
Tagged date : UTC 2012-02-05 15:43:05
is there any way to make Video:
1280x720,
Format settings CABAC = No,
add the subtitles and then rest of the settings so that the final muxed
file is up to or not bigger than 4GB?
Here is the muxed testfile:
Complete name : C:\Program
Files\get_iplayer\ffmpeg-git-fd0b8d5-win32-static\bin\filename.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 7.09 MiB
Duration : 1mn 0s
Overall bit rate mode : Variable
Overall bit rate : 991 Kbps
Writing application : Lavf54.0.100
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High at L3.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 1mn 0s
Bit rate : 860 Kbps
Width : 1 280 pixels
Height : 692 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 24.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.040
Stream size : 6.15 MiB (87%)
Writing library : x264 core 120 r2146 bcd41db
Encoding settings : 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=3 / 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=24 / 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
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 1mn 0s
Bit rate mode : Variable
Bit rate : 126 Kbps
Maximum bit rate : 128 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 921 KiB (13%)
Language : English
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