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3
votes
2answers
806 views

Hardsubbing MKV files that use .ass subtitles and embedded fonts

This question pertains only to Linux and FreeBSD. I have several soft subbed anime mkv files that I need to hardsub. they are all using .ass subtitles with embedded fonts. for example mkvinfo on one ...
0
votes
2answers
272 views

How to batch insert same clip scene at the beginning of multiple videos?

Well, it has been a few days researching on a suitable auto or semi-automatic way of mass merging files this way. Basically, what I want to achieve is inserting the same clip, before a bunch of other ...
1
vote
1answer
275 views

Good programs for adding hardsubs

What are some good programs for adding hardsubs to an avi file? I've tried mencoder, and it's pretty good, but I can't figure out how to change the color of the subtitles. So I'm looking for another ...
0
votes
1answer
102 views

Simply changing avi file to mpg accelerates the video while audio maintains the original pace

I have a avi file with streams as follows Stream 0: Video, MPEG2 video, 480x576, 25fps Stream 1: Audio, MP2, 44100Hz, 192kbps I am trying to convert the above file into SVCD complaint mpg file. So, ...
0
votes
1answer
247 views

How to convert ts files to avi in OSX

I have tried both mencoder and ffmpeg. With ffmpeg the sound was fine but there was no picture. With mencoder the video moved at half speed so the length was doubled. How can this be done right?
3
votes
0answers
575 views

Setting font size of Closed Captions on iPhone

Does anyone know if it's possible to control the font size on videos played in the built-in iPhone video player? The subtitles (or "Closed Captions") that are there by default are rather small. None ...
3
votes
0answers
3k views

How to convert a mpeg4-aac video to mpeg-ts using MEncoder?

I know this can be done using FFMpeg and I have done it. The only problem here was that FFMpeg actually tries to "encode" the file while converting to mpeg-ts which I don't want. i.e. I just want to ...
2
votes
0answers
308 views

Append JPG to MPG Video ffmpeg/mencoder

I've found a lot of solutions for creating a video from a folder of jpgs, in this case a time lapse stream of photos from a camera. Thats easy, but seems to waste a lot of computing power ...
1
vote
0answers
31 views

“Freely positionable” Videos

The following is a requirement for loading a video into National Instruments DIAdem: The videos must be freely positionable, so that DIAdem can display each frame in the videos. Video - DIAdem 2012 ...
1
vote
0answers
111 views

How to append 2 video files

Is there any way to append one video file to another ? I've got a very large file (2GB) to which I'm trying to append some tiny files (~4MB). They all are in the same format. It's easy to concat ...
1
vote
0answers
518 views

Having trouble reading a YUV video with mplayer/mencoder

I'm making some experiences with the YUV raw video format. This YUV video I created (with ppmtoy4m from mjpegtools, from a series of screenshots taken at 24 fps) plays OK with Totem, correct rate, ...
1
vote
0answers
1k views

how to create or extract a silent mp3 from a video file using ffmpeg or mencoder?

I am looking to create an mp3 of silence that is the same duration as the input video file using either ffmpeg or mencoder. Using ffmpeg I have tried this: ffmpeg -y -i in.avi -ab 8k -ac 1 -vol 0 ...
1
vote
0answers
61 views

Mencoder doesn't work right in OSX anymore

The following works correctly in Linux. However when I try the same thing on the same files in OSX, the subtitles aren't showing. mencoder video.mp4 -vf pp=de,scale=1280:720 \ -oac pcm -o ...
1
vote
0answers
481 views

Limit MJPEG stream bandwidth

I have a very simple webcam, but it supports MJPEG streaming. Webcam is in remote location, and that location internet connection has a very low upload speed. I can capture that MJPEG stream with ...
1
vote
0answers
152 views

How to emphasize certain words in subtitles using mencoder?

I'm using "mencoder" application to add subtitles to an AVI file. In the subtitles, there are certain words I want to emphasize by making them appear either in bold or in italics. I've tried ...
0
votes
0answers
11 views

mencoder subtitle goes upward for RTL language

I use this mencoder command on Ubuntu 12.04 to burn a Persian (a RTL alphabet) subtitle to a video: mencoder -oac mp3lame -ovc lavc -lavcopts vcodec=mpeg4 -sub subtitle.srt -subfont-text-scale 3.0 ...
0
votes
0answers
197 views

How to use mencoder to convert any format to ogg video

I am trying mencoder to convert any format videos to OGG/Video The ffmpeg command I have tested successfully is : ffmpeg -y -i '<input-file.avi>' -vcodec libtheora -b 256k -bt 256k -level 30 ...
0
votes
0answers
42 views

Mencoder Compressor data file not found

I'm converting a WMV file to FLV VP6 with mencoder and ffmpeg. My commands: mencoder input.wmv -ovc vfw -vf flip,scale=680:512 -ofps 30 -xvfwopts codec=vp6vfw.dll -oac mp3lame -o output.avi ffmpeg -i ...
0
votes
0answers
512 views

How to preserve aspect ratio in mencoder

I converted a video with mencoder and kept the same height and width, but the video aspect ratio looks different. I think this is related to PAR and DAR. Here is the information from ffmpeg about the ...