one is : /home/pt/t/pa1.flv
the other is : /home/pt/t/pa2.flv
1 o merge with ffmpeg
ffmpeg -i /home/pt/t/pa1.flv -i /home/pt/t/pa2.flv -vcodec copy -acodec copy /home/pt/t/dd.flv
the problem is: the merged file ( /home/pt/t/dd.flv ) just contain one file--the first one
/home/pt/t/pa1.flv,there is no the second file--/home/pt/t/pa2.flv in the /home/pt/t/dd.flv
I am using ffmpeg for merge wav files to a mov video. My doing is below
1. First extract audio (wav file) from video 2. Create wav file from mp3 track 1 3. Create wav file from mp3 track 2 4 Merge extract audio from video with track 1 and track2. Now finally create a new video with original video's video stream and merged audio stream.
Process is working. However final video is 3-4 times greater than original one. I want that final video should be near about size of original video. As I understand, all three wav files (created from ) make video larger.
I'm running ClipBucket on my Ubuntu 10.04 LTS server x64.Conversion of AVI to FLV works just fine, however when I try to upload an MPG file, it fails. Apparently I should recompile ffmpeg to allow for MPG > FLV conversions.
how to increase the volume of ogg and mp3 files using ffmpeg. Some of the podcasts that I listen to are not loud enough, and I have my media player set to the highest volume.
Iam aware of the way on how almost every file can be converted to .pdf within Ubuntu 10.04 using "Print to File" function. But is there a way to merge multiple files to create one .pdf? OR Is there a way to merge multiple .pdf files to create a single .pdf?
So I found PDftk which seems promising Im also looking at the commands which are also very powerful..but I think its kinda of laborious to type all my 50+ pdf files in the command prompt I have the front end of pdftk I was wondering is there a program (I have Pdf sam and Pdf Shuffler) that will allow me to import unlim. number of files and then just jam it into one big PDF file?
I have several image files accumulated as a result of taking screenshots. I want to merge all of them into a single pdf file. How can I do that? I save webpages in .mht format using UnMHT addon in firefox. Is there any way to merge several mht files into a single pdf?
Is there any bash script to merge pdf files in a directory and sub-directory and rename it as the directory/sub-directory name?Like for example using GhostScript/PDFTK/PyPDF etc?I'm kinda new where it comes to bash scripting.I found this script on a blog that seems to do what I want, however, the bookmark functionality is not of importance to me (and requires jPDFBookmark - which I can't manage to install)
I have a movie split into 3 iso image files, say, movie-1.iso,movie-2.iso, and movie-3.iso I did the following:
[ewn]# cd /mnt [mnt]# mkdir disk1 disk2 disk3 [mnt]# mount -t iso9660 -o ro,loop=/dev/loop0 /media/Hitachi_SATA_2TB/iso_files/Movies/movie-1.iso /mnt/disk1 [mnt]# mount -t iso9660 -o ro,loop=/dev/loop1 /media/Hitachi_SATA_2TB/iso_files/Movies/movie-2.iso /mnt/disk2
[Code]....
the files for disk2, disk3 are exactly the same except disk2 has 2 .vob files instead of 3. Can I make this work by changing the names of some of these files before merging them into one directory and then running the mkisofs command to create a new single iso image? If so, what names do I give so that the movie plays correctly? If not, just how do you do this?
Searching Google on how to join/merge many mp3 files, it suggests that I should just cat them together.That might "work", but clearly it is not the correct way to do it, as each header and set of IDv3 tags will also be concatenated.Does a Linux program exist that can be scripted to join/merge many mp3?Can mplayer/mencoder/ffmpeg do it?
this is not the right place to ask this question, but I found no other.I have an AAC audio file and a video file. Is there any way to merge them? I tried Avidemux but it won't let me open my AAC file.
I want to merge columns (selectively) from several files and create a new file with the merge output. I saw some suggestions to use pr/paste to join the columns and then awk to pick-up the columns.
Code: pr -m -t -s file1 file2 | gawk '{print $4,$5,$6,$1}' But I have hundreds of files and I cannot manually pick up columns using awk as given in
1. Is there an easy way to combine pdf files not only one "after" the other, but also one "next to" the other? For example, If I have one-page files called a1.pdf, a2.pdf, a3.pdf, a4.pdf, b1.pdf, b2.pdf, b3.pdf, b4.pdf, c1.pdf, c2.pdf, c3.pdf, c4.pdf, I want to combined them so that I can scroll down from a to c and scroll right from 1 to 4. That is, I want to merge them in "matrix form". If I zoom out the final file should look like:
I have a folder with hundreds of .txt files (logs of some java application) that I have to merge in to one single .txt file. This application produces a new log file everyday:
day1: logFriday10September2010.txt day2: logSaturday11September2010.txt ... day8: logFriday17September2010.txt ... and so on...
I could merge the files easily with "cat" and ">>" however, the problem is that I have to do it by taking into account the date (creation or modification) of the file.
If I simple use the cat command the output file will receive for example, all Fridays in a row, then all Saturdays, etc. and in that way I'm not considering the date.
I've searched for the options of the find command, since the files after creation are not modified...I try to use this for example:
$ find . -newer <some old file>
but that lists me all files after that <old file> and not by correct date.
I have a video which I've edited to my satisfaction but when I click play it seems to only play the first clip of video. How can I merge all my clips so it will continue to play through the whole thing?
I've created some time-lapse videos from photos, using this command: ffmpeg -i IMG_%03d.JPG -s 1440x1080 -sameq video.MP4
And it worked great. Now I want to join several of these time-lapse videos to make a single, longer video (all the input videos have the exactly same format). I already tried using: cat video1.MP4 video2.MP4 > stitch.MP4
but the output ends up being equal to video1.MP4, I don't want to transcode nor changing any parameter of the video, I just want a end-to-end stitching, as if those videos were on a playlist.
I have so many flac files. I want to have 1 minute samples of the files in mp3 and a bitrate of 64. (First 1 minute of all files) How can I do that with ffmpeg command?
I use ffmpeg to convert my files, but when I do so, I lose the keyframes metadata from my flv files. The command I use right now is: $/usr/local/bin/ffmpeg -i %s -ab 96k -ar 44100 -b 500k -r 25 -f flv %sHow can I avoid ffmpeg to delete the keyframes info?
I've got a bunch of HD files in .mkv format that I want to convert to a format that the 360 will read (currently just trying .avi files) so I can stream the media to my xbox360. I'd rather avoid transcoding the entire file, so I tried unpacking the .mkv file into audio and video (and subtitle if necessary) and repacking said file into avi using ffmpeg. The repacking is where I am having the problem. Here's the commands I tried at first (it might look familiar):
Error while opening codec for output stream #0.1 - maybe incorrect parameters such as bit_rate, rate, width or height Where stream #0.1 is the output audio stream to the .avi file. I think I have narrowed it down to the fact that the input streams are all 6 channel (5.1 surround sound) which mp2 doesn't support (the ffmpeg audio default) so I did this instead:
to change the sound to stereo it works. Problem is I'd like to keep my media in surround sound. Any thoughts on how to get all 6 channels in the new mp3 file? I'm fairly certain that mp3s support 5.1. And after some messing around, I haven't found that my ffmpeg can transcode audio format from 5.1 back to 5.1. So since (I think) the 360 can play .ac3 files I decided to just copy both the video and audio file to the .avi file sans transcoding using
however now about halfway through, I run into this error:
Code:
NULL @ 0x22f3a00]error, non monotone timestamps 62562 >= 62562
av_interleaved_write_frame(): Error while opening file I can't seem to find any solution to this problem anywhere online, does anyone know how to get around this? I'd prefer to use ffmpeg for this if possible. (so I can write a script and just attack an entire directory at once) For what it's worth, I'm using the latest ffmpeg in the ubuntu (karmic) default repositories.