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Problem with FFMPEG - Output video has zero filesize.

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david gill
Problem with FFMPEG - Output video has zero filesize.
on Jul 26, 2010 at 9:00:00 pm

I can't convert mp3 to mp4,
ERROR: Problem with FFMPEG - Output video has zero filesize.
---------------
C:\xampp\ffmpeg\bin\ffmpeg.exe -y -chromaoffset 0 -i "C:\xampp\htdocs\mc1\hwdvideos\uploads\originals\h8nbuvvpdgikvy.mp3" -acodec libfaac -ab 128k -pass 2 -s 640x480 -vcodec libx264 -b 768K -flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -me_method umh -subq 5 -trellis 1 -refs 1 -coder 0 -me_range 16 -g 150 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -bt 768K -maxrate 1.5M -bufsize 10M -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -level 30 -aspect 16:9 "C:\xampp\htdocs\mc1\hwdvideos\uploads\h8nbuvvpdgikvy.mp4" >c:\1.txt


FFmpeg version SVN-r22201, Copyright (c) 2000-2010 the FFmpeg developers
built on Mar 4 2010 06:05:14 with gcc 4.4.2
configuration: --enable-memalign-hack --cross-prefix=i686-mingw32- --cc=ccache-i686-mingw32-gcc --arch=i686 --target-os=mingw32 --enable-runtime-cpudetect --enable-avisynth --enable-gpl --enable-version3 --enable-bzlib --enable-libgsm --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid --enable-libschroedinger --enable-libx264 --enable-libopencore_amrwb --enable-libopencore_amrnb
libavutil 50.10. 0 / 50.10. 0
libavcodec 52.55. 0 / 52.55. 0
libavformat 52.54. 0 / 52.54. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0.10. 0 / 0.10. 0
[mp3 @ 003dd5f0]Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'C:\xampp\htdocs\mc1\hwdvideos\uploads\originals\h8nbuvvpdgikvy.mp3':
Metadata:
comment :
genre : Other
Duration: 00:00:04.94, start: 0.000000, bitrate: 160 kb/s
Stream #0.0: Audio: mp3, 44100 Hz, 2 channels, s16, 160 kb/s
Output #0, mp4, to 'C:\xampp\htdocs\mc1\hwdvideos\uploads\h8nbuvvpdgikvy.mp4':
Output file #0 does not contain any stream
FFmpeg version SVN-r22201, Copyright (c) 2000-2010 the FFmpeg developers
built on Mar 4 2010 06:05:14 with gcc 4.4.2
configuration: --enable-memalign-hack --cross-prefix=i686-mingw32- --cc=ccache-i686-mingw32-gcc --arch=i686 --target-os=mingw32 --enable-runtime-cpudetect --enable-avisynth --enable-gpl --enable-version3 --enable-bzlib --enable-libgsm --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid --enable-libschroedinger --enable-libx264 --enable-libopencore_amrwb --enable-libopencore_amrnb
libavutil 50.10. 0 / 50.10. 0
libavcodec 52.55. 0 / 52.55. 0
libavformat 52.54. 0 / 52.54. 0
libavdevice 52. 2. 0 / 52. 2. 0
libswscale 0.10. 0 / 0.10. 0
[mp3 @ 003dd5f0]Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'C:\xampp\htdocs\mc1\hwdvideos\uploads\originals\h8nbuvvpdgikvy.mp3':
Metadata:
comment :
genre : Other
Duration: 00:00:04.94, start: 0.000000, bitrate: 160 kb/s
Stream #0.0: Audio: mp3, 44100 Hz, 2 channels, s16, 160 kb/s
Unknown encoder 'libfaac'
------------------------------------
who can tell me what's problem?


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Michael Rampe
Re: Problem with FFMPEG - Output video has zero filesize.
on Jul 26, 2010 at 9:59:20 pm

First thoughts:

Why are you using -vcodec libx264 when the input file is an mp3 and thus, no video stream?

The majority of the settings in your command line relate to video encoding but the source has no video.

[david gill] "Unknown encoder 'libfaac'"

You haven't installed this library and enabled it in your configure line. You have libfaad installed and configured but not libfaac. The "d" in libfaad stands for decode and the "c" in libfaac stands for code. You need libfaac to encode aac streams and it is not standard with FFmpeg itself.

Try to install libfaac and remove all of the video specific settings from your command line and post the result.

Michael


"half-way to world domination A.K.A. the belligerent blue bike shed"


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