[FFmpeg-user] max bitrate for vob

[Steve Boyer]

On Tue, Sep 15, 2015 at 4:38 PM, Rick C. <rickcorteza at gmail.com> wrote:

> Hi again,
>
> What is the max bitrate for vob since I had this error?  Thanks in advance…
>
> Since you are talking VOBs, I'm assuming you are doing DVD video.
https://en.wikipedia.org/wiki/DVD-Video#Data_rate states: "...a maximum of
9.80 Mbit/s can be used for video alone..."


>
> toms-Mac:~ mahalko$ /Users/mahalko/Desktop/ffmpeg -i
> /Users/mahalko/Desktop/input.avi -y -threads 8 -target ntsc-dvd -b 15329k
> /Users/mahalko/Desktop/output.vob
> ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
>   built with llvm-gcc 4.2.1 (LLVM build 2336.11.00)
>   configuration: --prefix=/Volumes/Ramdisk/sw --enable-gpl
> --enable-pthreads --enable-version3 --enable-libspeex --enable-libvpx
> --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora
> --enable-libvorbis --enable-libx264 --enable-avfilter
> --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters
> --enable-libgsm --enable-libvidstab --enable-libx265 --disable-doc
> --arch=x86_64 --enable-runtime-cpudetect
>   libavutil      54. 27.100 / 54. 27.100
>   libavcodec     56. 41.100 / 56. 41.100
>   libavformat    56. 36.100 / 56. 36.100
>   libavdevice    56.  4.100 / 56.  4.100
>   libavfilter     5. 16.101 /  5. 16.101
>   libswscale      3.  1.101 /  3.  1.101
>   libswresample   1.  2.100 /  1.  2.100
>   libpostproc    53.  3.100 / 53.  3.100
> Guessed Channel Layout for  Input Stream #0.1 : mono
> Input #0, avi, from '/Users/mahalko/Desktop/input.avi':
>   Metadata:
>     creation_time   : 2008-01-02 19:48:21
>     encoder         : CanonMVI06
>   Duration: 00:00:27.43, start: 0.000000, bitrate: 14351 kb/s
>     Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc,
> bt470bg/unknown/unknown), 640x480, 13657 kb/s, 30 fps, 30 tbr, 30 tbn, 30
> tbc
>     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 1
> channels, s16, 705 kb/s
> Please use -b:a or -b:v, -b is ambiguous
> [swscaler @ 0x7fdb20818a00] deprecated pixel format used, make sure you
> did set range correctly
> [mpeg2video @ 0x7fdb20829600] bitrate above max bitrate
> Output #0, dvd, to '/Users/mahalko/Desktop/output.vob':
>   Metadata:
>     encoder         : CanonMVI06
>     Stream #0:0: Video: mpeg2video, none, q=2-31, 128 kb/s, 29.97 fps
>     Metadata:
>       encoder         : Lavc56.41.100 mpeg2video
>     Stream #0:1: Audio: ac3, 0 channels, 128 kb/s
>     Metadata:
>       encoder         : Lavc56.41.100 ac3
> Stream mapping:
>   Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg2video (native))
>   Stream #0:1 -> #0:1 (pcm_s16le (native) -> ac3 (native))
> Error while opening encoder for output stream #0:0 - maybe incorrect
> parameters such as bit_rate, rate, width or height
>
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