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• MEncoder Install on Ubuntu

  - by Tauqeer Ahmad

  I am writing this after checking almost all the posts but none of those solved my problem. I am trying to install mencoder to process some videos but there are strange errors coming. For examples when I try sudo apt-get install mencoder the following errors comes out: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: mencoder : Depends: mplayer Depends: libasound2 (> 1.0.24.1) Depends: libavcodec53 (>= 4:0.8~beta2-2) but it is not installable or libavcodec-extra-53 (>= 4:0.8~beta2-2) but it is not going to be installed Depends: libavformat53 (>= 4:0.8~beta2-2) but it is not installable or libavformat-extra-53 (>= 4:0.8~beta2-2) but it is not going to be installed Depends: libcdparanoia0 (>= 3.10.2+debian) but it is not installable Depends: libenca0 (>= 1.9) but it is not installable Depends: libfontconfig1 (>= 2.8.0) but it is not installable Depends: libgif4 (>= 4.1.4) but it is not installable Depends: libjpeg8 (>= 8c) but it is not installable Depends: liblzo2-2 but it is not installable Depends: libsmbclient (>= 3.0.24) but it is not installable Depends: libspeex1 (>= 1.2~beta3-1) but it is not installable Depends: libtheora0 (>= 1.0) but it is not installable E: Unable to correct problems, you have held broken packages. Can anyone help to solve this issue. I tried to find static builds of MEncoder but could not.

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• Setting font size of Closed Captions on iPhone using ffmpeg or mencoder

  - by forthrin

  Does anyone know how to either: Make ffmpeg set subtitle font size in the output video file Make mencoder produce an iPhone-compatible video file (with subtitles) I finally found out how to get Closed Captions video on iPhone, with mkv and srt files as source material. The secret was using the mov_text subtitle codec in ffmpeg (and turning on Closed Captions in the iPhone settings of course): ffmpeg -y -i in.mkv -i in.srt -map 0:0 -map 0:1 -map 1:0 -vcodec copy -acodec aac -ab 256k -scodec mov_text -strict -2 -metadata title="Title" -metadata:s:s:0 language=eng out.mp4 However, the font size appears very small on the iPhone, and I can't find out how to set it with ffmpeg (the iPhone has no option for this). I found out that mencoder has a -subfont-text-scale option, but I don't have a lot of experience with this program. The following, my best attempt so far, produces an output file which is not playable on the iPhone. sudo port install mplayer +mencoder_extras +osd mencoder in.mkv -sub in.srt -o out.mp4 -ovc copy -oac faac -faacopts br=256:mpeg=4:object=2 -channels 2 -srate 48000 -subfont-text-scale 10 -of lavf -lavfopts format=mp4 PS! As requested, here is the output from mencoder: 192 audio & 400 video codecs success: format: 0 data: 0x0 - 0xb64b9d2f libavformat version 54.6.101 (internal) libavformat file format detected. [matroska,webm @ 0x1015c9a50]Unknown entry 0x80 [lavf] stream 0: video (h264), -vid 0 [lavf] stream 1: audio (ac3), -aid 0, -alang eng VIDEO: [H264] 1280x544 0bpp 49.894 fps 0.0 kbps ( 0.0 kbyte/s) [V] filefmt:44 fourcc:0x34363248 size:1280x544 fps:49.894 ftime:=0.0200 ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders libavcodec version 54.23.100 (internal) AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000) Selected audio codec: [ffac3] afm: ffmpeg (FFmpeg AC-3) ========================================================================== ** MUXER_LAVF ***************************************************************** REMEMBER: MEncoder's libavformat muxing is presently broken and can generate INCORRECT files in the presence of B-frames. Moreover, due to bugs MPlayer will play these INCORRECT files as if nothing were wrong! ******************************************************************************* OK, exit. videocodec: framecopy (1280x544 0bpp fourcc=34363248) VIDEO CODEC ID: 28 AUDIO CODEC ID: 15002, TAG: 0 Writing header... [mp4 @ 0x1015c9a50]Codec for stream 0 does not use global headers but container format requires global headers [mp4 @ 0x1015c9a50]Codec for stream 1 does not use global headers but container format requires global headers Then the following repeats itself for every frame: Pos: 0.0s 1f ( 2%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0] [mp4 @ 0x1015c9a50]malformated aac bitstream, use -absf aac_adtstoasc Error while writing frame. I recognize -absf aac_adtstoasc as an ffmpeg option (does mencoder spawn ffmpeg?), but I don't know how to pass this option on (my hunch is this is not even the origin of the problem).

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• Out of sync audio video using mencoder

  - by 1ch1g0

  hi i converted a mkv (matroska) file to avi using ffmpeg: ffmpeg -i input.mkv -f mp4 -vcodec mpeg4 -sameq -r 29.97 -b 512kb -acodec ac3 -ab 128kb -vol 512 output.avi the output file plays fine using mplayer. after that, i using mencoder to insert subtitles: mencoder output.avi -o new.avi -oac pcm -ovc lavc -subfont-text-scale 3 -sub subtitle.srt however, after i play back the video "new.avi", the video and audio is out of sync. What options can i put into mencoder to sync the A/V. ? I have also tried ffmpeg -newsubtitle option but can't get it work. Any examples of usage of -newsubtitle would be greatly appreciated. thanks

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• How to use mencoder to speed up video ?

  - by timday

  There's a webcam streaming WMV video that I can play/record with mplayer/mencoder (Debian Lenny including Debian-multimedia) just fine. I'd like to capture the video such that, when played back, it's faster (so say 100s of real time zooms past in every 1s of video). The "frameskip" filter seems like it ought to do this, but when I try e.g mencoder -o output.avi -ofps 25 -vf framestep=100 -ovc lavc -lavcopts vcodec=mpeg4:... <mms source URL> what I actually get is something which plays for the same length of time as it's allowed to capture for, but which only updates the displayed image every 4 seconds. Is there any way mencoder can be persuaded to do what I want ? (By the way, ideally I'd like to average the frames together to obtain motion-blur instead of just dropping/discarding most of them.).

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• mencoder , ripping dvd but audio seeking doesn't work

  - by nos

  I'm trying to rip a dvd on linux using mencoder I'm doing: mencoder dvd://0 -ovc lavc -lavcopts autoaspect -alang en -oac copy -o dvd.avi And the video + audio is nice, however if I seek/fast forward when playing the .avi file - the audio always starts from scratch again - what am I doing wrong ?

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• Trimming video from it's end using FFMpeg or Mencoder

  - by get8p

  I have pack of .avi files that needs to be trimmed by 5 last seconds. I'm doing it using batch processing and naturally, they all have different length so I can't set a trim from the beginning. I know FFMpeg has commands -t and -ss as well as Mencoder has -endpos and -ss, but in my case I don't know if I can use them this way. My .bat file will look like this FOR %%i IN (*.avi) DO ( ffmpeg/mencoder -options "%%i" "%%~ni"1.avi ) Thanks in advance.

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• Using Python to call Mencoder with some arguments

  - by Manu

  Hello, I'll start by saying that I am very, very new to Python. I used to have a Windows/Dos batch file in order to launch Mencoder with the right set of parameters, without having to type them each time. Things got messy when I tried to improve my script, and I decided that it would be a good opportunity to try coding something in python. I've come up with that : #!/usr/bin/python import sys, os #Path to mencoder mencoder = "C:\Program Files\MPlayer-1.0rc2\mencoder.exe" infile = "holidays.avi" outfile = "holidays (part1).avi" startTime = "00:48:00" length = "00:00:15" commande = "%s %s -ovc copy -oac copy -ss %s -endpos %s -o %s" os.system(commande % (mencoder, infile, startTime, length, outfile)) #Pause raw_input() But that doesn't work, windows complains that "C:\Program" is not recognized command. I've trying putting some "\"" here and there, but that didn't help.

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• Encode real-time dvb-s stream using mencoder

  - by karatchov

  My satellite receiver can stream the mpeg-2 video/audio output through lan. Using mencoder, I'm trying to build a script to encode and save the stream in real time with my Core2Duo 1.8 Ghz. Right now, I'm using a single pass, it produces good quality for a video rate of 800Kb/s, but takes more then 95% of CPU power, thus making a lot of frameskips is the computer is used while encoding. mencoder -o -vf lavcdeint -oac mp3lame -lameopts abr:q=2:aq=2 -ovc x264 -ffourcc avc1 -x264encopts crf=25:me=hex:subq=9:frameref=2:nocabac:threads=auto -mc 3 So, I'm considering using a 2-pass encoding to alleviate the processor and record 100% of the stream. But I have no idea how to start. For the info: Standard Stream: mpeg-2 720*576 25fps HD Stream: 1920*1080 50fps (this is not my goal to record it, but it will be super cool if I could)

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• samsung HMX-H100P camcorder and video encoding with mencoder

  - by jskg

  Hi everyone, my background is totally not related to video stuff so pardon my newbie style. I own a samsung HMX-H100P camcorder and I'm trying to encode videos to be uploaded to Youtube and Vimeo. First problem: videos generated by the camera with no processing appear like this: http://www.youtube.com/watch?v=AANbl_DTuzE when I play them with Totem(Linux) or VideoLan. Second problem: When I try to encode the videos produced by the camera using mencoder I get the video at the resolution I chose but those ugly lines and lagging are still present. Here's the command I use: mencoder $inputFile -aspect 16:9 -of lavf -lavfopts format=psp -oac lavc -ovc lavc -lavcopts aglobal=1:vglobal=1:coder=0:vcodec=libx264:acodec=libfaac:vbitrate=4500:abitrate=128 -vf scale=1280:720 -ofps 25000/1001 -o $outputFile Any ideas? Thanks in advance

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• Adding watermarks/logos to videos in mencoder

  - by Emenims

  How do I add a watermark or logo to a video using mencoder?

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• how to convert rm to 3gp with mencoder

  - by priboy

  Hi, can someone show me a quick example of mencoder on how to convert rm file to 3gp file i just need a simple example that works, and i have no time to read the mplayer documentation. thank you

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• Encoding video stream for playback on a vanilla Windows XP with mencoder

  - by Tamás

  I have a bunch of PNG files, generated from a script. They represent consecutive frames of a video sequence and I'd like to encode them into a single AVI file (or some other video format) using mencoder. What parameters should I use to ensure that the video can be viewed on a vanilla Windows XP using Windows Media Player with no extra codecs installed apart from the default ones? So far I've tried -ovc lavc -lavcopts vcodec=wmv2 and -ovc lavc -lavcopts vcodec=msmpeg4 with no success. (Background story: some of the people I'm collaborating with on a scientific project cannot install any codecs on their university computers without the help of the local sysadmins, who are of course not very willing to install anything. I'd like to ensure that they can also view the video files I am creating).

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• How to determine main movie DVD track before ripping via mencoder

  - by Ampp3

  Maybe there's a simple answer for this, but when looking at the files on a DVD (IFOs, VOBs,etc), is there a way to easily determine the longest/main track? I'm trying to automate the process of finding the main movie track on a DVD and am running into issues. I thought this could be done by finding the BIGGEST track (look through VTS_XX_N.VOB files, where XX is the track number, and find the track with the largest filesize (sum sizes of VOB files for that track)), but apparently that isn't correct. One DVD had track 7 as the largest track (by my method), but mencoder didn't produce the correct output with this track, but worked with track 9 instead. Am I missing something? EDIT: I've heard of the utility 'lsdvd' for getting track information, but I was hoping to avoid compiling this, and use a basic method instead (ie: what I tried above). Does anyone have any idea WHY my idea didn't work?

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• samsung HMX-H100P camcorder and video encoding with mencoder

  - by jskg

  Hi everyone, my background is totally not related to video stuff so pardon my newbie style. I own a samsung HMX-H100P camcorder and I'm trying to encode videos to be uploaded to Youtube and Vimeo. First problem: videos generated by the camera with no processing appear like this: http://www.youtube.com/watch?v=AANbl_DTuzE when I play them with Totem(Linux) or VideoLan. Second problem: When I try to encode the videos produced by the camera using mencoder I get the video at the resolution I chose but those ugly lines and lagging are still present. Here's the command I use: mencoder $inputFile -aspect 16:9 -of lavf -lavfopts format=psp -oac lavc -ovc lavc -lavcopts aglobal=1:vglobal=1:coder=0:vcodec=libx264:acodec=libfaac:vbitrate=4500:abitrate=128 -vf scale=1280:720 -ofps 25000/1001 -o $outputFile Any ideas? Thanks in advance

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• Using mencoder to convert videos for your mobile phone.

  - by Manu

  I Have a LG Viewty (actually a KP501), and I use mencoder (part of mplayer) to convert videos, using the following script : mencoder "input.avi" -ovc lavc -oac lavc -lavcopts acodec=mp3:abitrate=128 -vop scale=400:240 -ffourcc DX50 -o "output.avi" Do you have similar mencoder scripts, for other phones ?

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

  - by Mahendra Liya

  Hello, 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 change the container format to mpeg-ts without encoding the media. Is this type of conversion possible with FFMpeg? (I know about "copy" option, but it works with H264-aac and not with mpeg4-aac). Is it possible to change mpeg4-aac to mpeg-ts container format with MEncoder? I wish to know the personal opinion/advice of those who have already worked on such stuff. Thanks in advance.

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• How to keep source frame rate with mencoder/ffmpeg?

  - by Sandra

  I would like to crop and rotate a video, and then encode it to mp4 or mkv. mencoder video.mp4 -vf rotate=1,crop=720:1280:0:0 -oac pcm -ovc x264 -x264encopts preset=veryslow:tune=film:crf=15:frameref=15:fast_pskip=0:threads=auto -lavfopts format=matroska -o test.mkv But when I do the above encoding, the frame rate is way too fast. The encoding options were something I found, so I don't know if that is the problem. Question All I want is to crop and rotate the video, and keep the audio/video quality as good as possible. Have anyone tried this?

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• How to install ffmpeg, ffmpeg-PHP, Mplayer, Mencoder, LAME MP3 encoder for Winxp. php version 5.3.0

  - by user295239

  Hello All Members I am newbie in php.Can any body tell me how i install ffmpeg, ffmpeg-PHP, Mplayer, Mencoder in Windows XP and php version should be 5.3.0 or Wamp server release July 11 2009/Xamp Server release 2009/12/23. I make search on google and i find tutorial but that tutorial work with previous version of php 5.2.8 . So if some one tell me step by step guide how to install FFMPEG ffmpeg-PHP, Mplayer, Mencoder in winxp. I am very thankful. Highly Appreciated Best Regards Hasnat

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• Convert video files for Maemo (Nokia N900) using ffmpeg/mencoder

  - by Vikrant Chaudhary

  I'm a newbie in video encoding so I'm looking for some expert advice. I'm looking to transcode media files with ffmpeg or mencoder (or something other) on Ubuntu for my Nokia N900 running Maemo. I'd prefer mencoder, because of ffmpeg's crazy dependencies. Video output should be AVC/H.264 (probably hardware accelerated on device). Audio output in AAC (should have preferred Vorbis but not supported natively and requires .mkv which is also not completely supported). Output video should retain the original aspect ratio. Resolution of screen is 800x480 (16:10). (Explanation of why-this-value-is-chosen would be really appreciated). Thanks.

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• best command line tool to join videos

  - by user1079002

  I have used ffmpeg, but with it you have to first make mpg videos then do cat video1.mpg video2.mpg > joined.mpg and then convert to joined.mpg to joined.mp4 with ffmpeg to be able to upload on youtube. I heard there's mencoder which can join avi files without converting to mpg and using cat command. I'm making videos to upload on youtube so it needs to be avi mp4 or flv format. Which tool is the best to join videos from command line?

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• Video encoding by servlet with MEncoder

  - by Andrey

  Hello. I was developing an application for video encoding on the server and got a problem with encoding video with MEncoder. This decoder doesn't work correctly when runned by a command line with Runtime.getRuntime().exec(“D:\mencoder\mnc\mencoder.exe video1.avi -o outvideo1.flv -of lavf -oac mp3lame -lameopts abr:br=64 -srate 22050 -ovc lavc -lavcopts vcodec=flv:vbitrate=300:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -vf scale=320:240,harddup -quiet”) ; The decoder launches and works in windows console with my parameters, but when it's run from a servlet it just hangs in process list and doesn't do anything before the web-server is stopped. When trying to use decoder from a simple java applcation, it runs correctly. Thanks for help.

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• Convert windows media video stream to mp3 audio?

  - by Jared

  I'd like to take a windows media video stream and convert it to mp3 audio. Using mencoder I can convert from windows media video to avi but not directly from windows media to mp3. The following is the command I use to convert to avi, but I'd like to avoid having to do two conversions and converting the avi file to mp3. mencoder mms://wmslive.media.hinet.net/Weblive_Bloomberg_600 -ovc lavc -oac mp3lame -o output.avi Note if there are tools that can do this I will use them, I have access to both Linux and Windows.

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• Blu-ray player?

  - by Dox

  I'd like to play bluray discs in my laptop. I found the official documentation, and there it's explained that one should use mplayer and ffmpeg. Looking at the repositories, there exist two different mplayer packages (in conflict with each other) mplayer mplayer2 Any ideas with of them should I install? On the other hand the official documentation seems to be out of date since no mention to Ubuntu after 9.04 is done. Does the DumpHD package from the repositories work? Finally, Where could the keydb.cfg keys be found? I'm open to suggestions, specially of people who had done the job of making it work. Cheers

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• Successfully concatenating multiple videos

  - by wiseguydigital

  My mission is to create videos out of old web slideshows. To start with I have jpegs and audio files that worked as Flash slideshows in an old system, structured such as this: Audio structure my_audio_1.mp3 (this file is a 3 second mp3 of silence) my_audio_2.mp3 my_audio_3.mp3 my_audio_4 etc... roughly 30 mp3s per slideshow Image structure my_image_1.jpg (this acts as the opening slide) my_image_2.jpg my_image_3.jpg my_image_4. etc... roughly 30 images per slideshow. As there are almost 100 slideshows that must be converted to video, I have created a web-based interface using PHP to automate the process, that sits on a local system and attempts to combine the files using shell_exec(). The process uses the following workflow: Loop through each slide and make an avi or mpeg. So for instance my_mini_video_2.avi would be a video that consists of my_image_2.jpg and has a soundtrack of my_audio_2.mp3. This slide would last the length of my_audio_2.mp3. Join / stitch / concat all of the mini videos to create the final video (Using a combination of cat and either mencoder or ffmpeg (I have also tried avimerge but to no avail). Transcode the new 'master' video to various formats such as flv etc. I thought this would be simple and have been close on many occasions but it still won't work. I can't get past stage 2 as I can't get a perfect 'master' video. I have now experimented with Mencoder, FFMpeg and seem to have been through every combination I can think of. The problem is that the audio and visuals never sync, no matter what I try. Also, I have even tried created audio-less mini videos, joining the MP3s into one long MP3 using both cat and mp3wrap and then assigning the new long MP3 as the audio track, but this always produces either a very short file or a badly slowed down file and makes the female voiceover sound like a male boxer!!! There appears to be no problems at all with the original files. Does anybody have any experience in producing a video successfully from the same kind of starting point? Or any ideas on what I may be doing wrong? As an example: If I create silent mini-videos, and stitch them together into 'temp-master.mpg' and then join the MP3s together into single MP3 called 'temp-master-audio.mp3', the audio file's duration is 09:10 and the video file's duration is 08:35. They should be the same and the audio will seem sloooow. I haven't posted code as I have written lots and lots of combinations.

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• split video (avi/h264) on keyframe

  - by m.sr

  Hallo. I have a big video file. ffmpeg, tcprobe and other tool say, it is an h264-stream in an AVI-container. Now i'd like to cut out small chunks form the video. Problem: The index of the video seam corrupted/destroyed. I kind of fixed this via mplayer -forceidx -saveidx <IndexFile> <BigVideoFile>. The Problem here is, that I'm now stuck with mplayer/mencoder which can use this index file via -loadidx <IndexFile>. I have tried correcting the index like described in man aviindex (mplayer -frames 0 -saveidx mpidx broken.avi ; aviindex -i mpidx -o tcindex ; avimerge -x tcindex -i broken.avi -o fixed.avi), but this didn't fix my video - meaning that most tools i've tested couldn't search in the video file. Problem: I sut out parts of the video via following command: mencoder -loadidx in.idx -ss 8578 -endpos 20 -oac faac -ovc x264 -sws 9 -lavfopts format=mp4 -x264encopts <LotsOfOpts> -of lavf -vf scale=800:-10,harddup in.avi -o out.mp4. Now here the problem is, that some videos are corrupted at the beginning. I think this is because the fact, that i do not necessarily cut at keyframe. Questions: What is the best way to fix the index of an avi "inline" so that every tool can again work as expected with it? How can i split at the keyframes? Is there an mencoder-option for this? Are Keyframes coming in a frequency? How to find out this frequency? (So with a bit of math it should be possible to calculate the next keyframe and cut there) Is ther perhaps some completely other way to split this movie? Doing it by hand is no option, i've to cut out 1000+ chunks ... Thanks a lot!

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