[FFmpeg-user] theora question
Tom Sparks
tom_a_sparks at yahoo.com.au
Tue Apr 24 08:08:41 CEST 2012
use the true ffmpeg2theora transcoder from http://v2v.cc/~j/ffmpeg2theora/download.html
---
tom_a_sparks "It's a nerdy thing I like to do"
Please use ISO approved file formats excluding Office Open XML - http://www.gnu.org/philosophy/no-word-attachments.html
Ubuntu wiki page https://wiki.ubuntu.com/tomsparks
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--- On Tue, 24/4/12, Rick C. <rickcorteza at gmail.com> wrote:
> From: Rick C. <rickcorteza at gmail.com>
> Subject: [FFmpeg-user] theora question
> To: "FFmpeg user questions and RTFMs" <ffmpeg-user at ffmpeg.org>
> Received: Tuesday, 24 April, 2012, 2:59 PM
> Hi all,
>
> I've been doing some test theora encoding and what I have
> noticed is that it's very slow. At first I thought I
> was doing something wrong, but after some research maybe
> it's because it does not support multithreading is this
> correct? I mean I took the same video and converting
> to DivX I was able to get 400 fps but to Theora 40
> fps. Here's the output and thanks for the help:
>
>
> Last login: Tue Apr 24 12:51:30 on ttys004
> mahalkos-iMac:~ mahalko$ /Users/mahalko/Desktop/ffmpeg -i
> /Users/mahalko/Music/iTunes/iTunes\
> Music/Movies/THE_GIGGLEBELLIES_V2.m4v -qscale 10 -t 120
> -threads 8 /Users/mahalko/Desktop/testing.ogg
> ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg
> developers
> built on Mar 17 2012 17:59:03 with gcc 4.2.1 (Apple
> Inc. build 5666) (dot 3)
> 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 --arch=x86_64 --enable-runtime-cpudetect
> libavutil 51. 35.100 / 51.
> 35.100
> libavcodec 53. 61.100 / 53.
> 61.100
> libavformat 53. 32.100 / 53. 32.100
> libavdevice 53. 4.100 / 53.
> 4.100
> libavfilter 2. 61.100 /
> 2. 61.100
> libswscale 2. 1.100 /
> 2. 1.100
> libswresample 0. 6.100 /
> 0. 6.100
> libpostproc 52. 0.100 / 52.
> 0.100
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
> '/Users/mahalko/Music/iTunes/iTunes
> Music/Movies/THE_GIGGLEBELLIES_V2.m4v':
> Metadata:
> major_brand : mp42
> minor_version : 0
> compatible_brands: mp42isomavc1
> creation_time : 2012-03-26
> 01:47:30
> encoder
> : HandBrake 0.9.6 2012022800
> genre
> : Movies
> artist :
> Kids
> Duration: 00:35:04.08, start: 0.000000, bitrate: 3140
> kb/s
> Chapter #0.0: start -0.066733, end 14.247567
> Metadata:
> title
> : Chapter 1
> Chapter #0.1: start 14.247567, end 178.912067
> Metadata:
> title
> : Chapter 2
> Chapter #0.2: start 178.912067, end
> 291.958333
> Metadata:
> title
> : Chapter 3
> Chapter #0.3: start 291.958333, end
> 445.645200
> Metadata:
> title
> : Chapter 4
> Chapter #0.4: start 445.645200, end
> 591.857933
> Metadata:
> title
> : Chapter 5
> Chapter #0.5: start 591.857933, end
> 720.319600
> Metadata:
> title
> : Chapter 6
> Chapter #0.6: start 720.319600, end
> 850.883367
> Metadata:
> title
> : Chapter 7
> Chapter #0.7: start 850.883367, end
> 1002.468133
> Metadata:
> title
> : Chapter 8
> Chapter #0.8: start 1002.468133, end
> 1130.929800
> Metadata:
> title
> : Chapter 9
> Chapter #0.9: start 1130.929800, end
> 1294.192900
> Metadata:
> title
> : Chapter 10
> Chapter #0.10: start 1294.192900, end
> 1461.193067
> Metadata:
> title
> : Chapter 11
> Chapter #0.11: start 1461.193067, end
> 1610.675733
> Metadata:
> title
> : Chapter 12
> Chapter #0.12: start 1610.675733, end
> 1748.947200
> Metadata:
> title
> : Chapter 13
> Chapter #0.13: start 1748.947200, end
> 2104.043600
> Metadata:
> title
> : Chapter 14
> Stream #0:0(und): Video: h264 (High) (avc1 /
> 0x31637661), yuv420p, 720x480 [SAR 8:9 DAR 4:3], 2803 kb/s,
> 29.97 fps, 29.97 tbr, 90k tbn, 180k tbc
> Metadata:
> creation_time :
> 2012-03-26 01:47:30
> handler_name :
> Stream #0:1(und): Audio: aac (mp4a /
> 0x6134706D), 48000 Hz, stereo, s16, 139 kb/s
> Metadata:
> creation_time :
> 2012-03-26 01:47:30
> handler_name :
> Stream #0:2(und): Audio: ac3 (ac-3 /
> 0x332D6361), 48000 Hz, stereo, s16, 192 kb/s
> Metadata:
> creation_time :
> 2012-03-26 01:47:30
> handler_name :
> Stream #0:3(und): Subtitle: mov_text (text /
> 0x74786574)
> Metadata:
> creation_time :
> 2012-03-26 01:47:30
> handler_name :
> Please use -q:a or -q:v, -qscale is ambiguous
> [buffer @ 0x101517740] w:720 h:480 pixfmt:yuv420p
> tb:1/1000000 sar:8/9 sws_param:
> Output #0, ogg, to '/Users/mahalko/Desktop/testing.ogg':
> Metadata:
> major_brand : mp42
> minor_version : 0
> compatible_brands: mp42isomavc1
> creation_time : 2012-03-26
> 01:47:30
> artist :
> Kids
> genre
> : Movies
> encoder
> : Lavf53.32.100
> Chapter #0.0: start 0.000000, end 14.247567
> Metadata:
> title
> : Chapter 1
> Chapter #0.1: start 14.247567, end 120.000000
> Metadata:
> title
> : Chapter 2
> Stream #0:0(und): Video: theora, yuv420p,
> 720x480 [SAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 29.97 tbn,
> 29.97 tbc
> Metadata:
> creation_time :
> 2012-03-26 01:47:30
> handler_name :
> Stream #0:1(und): Audio: flac, 48000 Hz,
> stereo, s16, 128 kb/s
> Metadata:
> creation_time :
> 2012-03-26 01:47:30
> handler_name :
> Stream mapping:
> Stream #0:0 -> #0:0 (h264 -> libtheora)
> Stream #0:1 -> #0:1 (aac -> flac)
> Press [q] to stop, [?] for help
> frame= 3597 fps= 37 q=0.0 Lsize= 122650kB
> time=00:02:00.00 bitrate=8372.9kbits/s
> video:113303kB audio:8811kB global headers:3kB muxing
> overhead 0.436236%
> mahalkos-iMac:~ mahalko$
>
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