[FFmpeg-user] Transcoding for the Roku with recent ffmpeg

[littlebat]

On Sun, 06 Jan 2013 07:22:05 -0800
Yan Seiner <yan at seiner.com> wrote:

> I think I've finally figured it out....  Looks like anything later
> than ffmpeg 0.5 can't transcode for the roku, or at least for my
> first generation roku.  (?)  Fingers crossed but so far 2 short tests
> and everything seems to be in order.  Transcoding the first full
> length movie as I write this.
> 
> yan at selene:~/vob$ ffmpeg -v
> FFmpeg version 0.5.10, Copyright (c) 2000-2012 Fabrice Bellard, et al.
>   configuration: --enable-libx264 --enable-libfaac --enable-gpl 
> --enable-nonfree
>   libavutil     49.15. 0 / 49.15. 0
>   libavcodec    52.20. 1 / 52.20. 1
>   libavformat   52.31. 0 / 52.31. 0
>   libavdevice   52. 1. 0 / 52. 1. 0
>   built on Jan  6 2013 07:05:22, gcc: 4.3.3
> 
> This is the invocation line.  I am running latest libx264.... 
> 
> ffmpeg -y -i $1.vob -acodec libfaac -ab 128k -vcodec libx264 -vpre 
> normal -crf 22 -threads 0 -r 23.976 -f mp4 $1.mp4
> qt-faststart $1.mp4 /data21/rtmovies/$1.mp4
> 
> 
> Here's what mediainfo says:
> 
> yan at selene:/data21/rtmovies$ mediainfo redwings.mp4
> General
> Complete name                            : redwings.mp4
> Format                                   : MPEG-4
> Format profile                           : Base Media
> Codec ID                                 : isom
> File size                                : 10.8 MiB
> Duration                                 : 2mn 3s
> Overall bit rate mode                    : Variable
> Overall bit rate                         : 734 Kbps
> Writing application                      : Lavf52.31.0
> 
> Video
> ID                                       : 1
> Format                                   : AVC
> Format/Info                              : Advanced Video Codec
> Format profile                           : High at L3.0
> Format settings, CABAC                   : Yes
> Format settings, ReFrames                : 2 frames
> Codec ID                                 : avc1
> Codec ID/Info                            : Advanced Video Coding
> Duration                                 : 2mn 3s
> Bit rate                                 : 601 Kbps
> Width                                    : 720 pixels
> Height                                   : 480 pixels
> Display aspect ratio                     : 16:9
> Frame rate mode                          : Constant
> Frame rate                               : 23.976 fps
> Standard                                 : NTSC
> Color space                              : YUV
> Chroma subsampling                       : 4:2:0
> Bit depth                                : 8 bits
> Scan type                                : Progressive
> Bits/(Pixel*Frame)                       : 0.073
> Stream size                              : 8.85 MiB (82%)
> Writing library                          : x264 core 129 r2230 1cffe9f
> Encoding settings                        : cabac=1 / ref=2 / 
> deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / 
> psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 /
> trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 /
> chroma_qp_offset=-2 / threads=3 / lookahead_threads=1 /
> sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 /
> bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=0 /
> b_adapt=1 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 /
> weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 /
> intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=22.0 /
> qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.41 /
> aq=1:1.00
> 

How about you copy the libx264 profile files in ffmpeg 0.5.10 into the
latest ffmpeg profile files folder?