Re: [FFmpeg-user] Issues with video and audio streams not starting at beginning of file when using filter_complex.

On Wed, 30 Jul 2014 07:17:40 -0700 (PDT) ac83 aclout...@c-spanarchives.org wrote: Hello, We're testing out some transcoding using filter_complex, but can't seem to produce video that both starts on an I-frame and starts at the same time as the audio. In the past we've just done -ss x -i ... -t

Re: [FFmpeg-user] How to drawtexton multi-lines using php?

On Fri, 8 Aug 2014 10:01:42 -0700 (PDT) hirokku oswaldo1...@gmail.com wrote: I need to show the text in two separate lines, how can i do this? You can use two drawtext filters: -vf drawtext,drawtext Of course you will have to provide the necessary options to get exactly what you want.

Re: [FFmpeg-user] Blur the Background with a Gradient

On Fri, 22 Aug 2014 17:42:01 +0800 Qianliang Zhang zhangqianli...@gmail.com wrote: Hi everyone, I try blur video with 'boxblur' filter, and I find it helpful. But I want to blur my video with a gradient, any advice? Make a gradient that is the same size as your input video: $ convert -size

Re: [FFmpeg-user] sequence with alpha over a still renders alpha incorrectly

On Thu, Aug 28, 2014, at 08:17 PM, Ehren Addis wrote: I'm trying to put a png sequence with an embeded alpha over a still image with burned in timecode. The following has been had from everything I see on the web (with the exception of using -shortest that never worked). This renders, but

Re: [FFmpeg-user] When merging an image with audio the resulting mp4 has a black screen

On Tue, 2 Sep 2014 11:54:49 -0700 (PDT) gfmonk g...@gurudental.com wrote: I am using Qucktime to test but they need to play using jwplayer on a web page. Using the output width from your command: -vf scale=400:-2,format=yuv420p -movflags +faststart

Re: [FFmpeg-user] Problem finding codec parameters in m4v file

On Wed, 3 Sep 2014 13:54:11 -0700 (PDT) ifightnoman ifightno...@gmail.com wrote: I have a large (1 GB) m4v file that ffmpeg is unable to decode. I am trying to generate a thumbnail from this file but hit the error message: [buffer @ 027fd600] Unable to parse option value -1 as pixel format

Re: [FFmpeg-user] Shrinking videos to constant height

On Mon, Sep 8, 2014, at 12:04 PM, Harold Goranson wrote: I wish to recode them as modern mp4 to 300p high and as wide as required to maintain correct aspect ratio, rounded to the nearest 2p. No sound, but all other qualities the same. You can use the scale filter: -vf scale=300:-2

Re: [FFmpeg-user] Can I use ffmpeg to combine audio streams in .ts file?

On Tue, 30 Sep 2014 18:35:53 +0200 skyscan...@gmx.ca wrote: On Tue, 30 Sep 2014 16:13:20 +0200, barsn...@gmx.net wrote:   See my other response from a few minutes ago: Something like pan=5.1:FL=c0+c4:FR=c1+c5:BL=c4:BR=c5:FC=c7 or whatever you think is correct. You may have to throw in

Re: [FFmpeg-user] conversion from h.264 to mp3 adds 0.12 seconds of silence to beginning of file

On Tue, 4 Nov 2014 13:09:10 -0500 Reid Oda r...@princeton.edu wrote: Hi list, I'm doing audio/video analysis on videos downloaded from youtube. As part of the process, I need to extract the audio to a form that can be opened by my audio analysis software. I've been using mp3, but I recently

Re: [FFmpeg-user] conversion from h.264 to mp3 adds 0.12 seconds of silence to beginning of file

On Tue, 4 Nov 2014 15:51:05 -0900 Lou l...@lrcd.com wrote: Your ffmpeg command and the complete console output are missing. Does this also occur if you use lame? I forgot to mention: 2. Why does LAME add silence to the beginning each song? http://lame.sourceforge.net/tech-FAQ.txt

Re: [FFmpeg-user] brew install ffmpeg on 10.10 Yosemite for wma to mp3 batch conv.

On Wed, 19 Nov 2014 02:53:34 -0800 (PST) paynito payn...@outlook.com wrote: bash // brew install ffmpeg // seems to work cd folder with wmas for f in *.wma; do ffmpeg -y -i $f -c:a libfdk_aac -b:a 192k ${f%.wma}.m4a; done; // try a script - error Unknown encoder 'libfdk_aac'

Re: [FFmpeg-user] Mixing two audio files to left/right channels, but using a (stream-copied) video from a third input

On Mon, 24 Nov 2014 17:04:24 +0100 Alfredo Di Napoli alfredo.dinap...@gmail.com wrote: Hello everyone, and sorry if the title is convoluted, I couldn't find a better one. What I'm trying to accomplish is simple, in practice: Assume I have three files: - Left_Audio.mp3 - Right_Audio.mp3 -

Re: [FFmpeg-user] ffmpeg

On Thu, 18 Dec 2014 00:45:39 - FRED COLLEY tcb1k...@live.co.uk wrote: Hi Every time i try and open my VIDEO’S Windows explorer closes it again Did you use ffmpeg to create these videos? How is ffmpeg involved? now I have a message come up that it is the ffmpeg that is causing the

Re: [FFmpeg-user] Accelerate/Decelerate video

On Tue, 16 Dec 2014 14:33:42 + david reid zathrasor...@gmail.com wrote: I have a video that I want parts to play in real time but the majority will be sped up to play as a time lapse at 25x. I can get the various pieces but would like to have a smoother interface between the 2 speeds, so

Re: [FFmpeg-user] Prores 422 to H264, multithread leads to video glitch

On Fri, 6 Feb 2015 13:10:01 -0800 (PST) thibault75 thiba...@capitalvision.fr wrote: ffmpeg version 0.8.16-6:0.8.16-1, Copyright (c) 2000-2014 the Libav developers This is not ffmpeg from FFmpeg, but a so-called ffmpeg from Libav, a fork of FFmpeg. Also, note that libav was always used by FFmpeg

Re: [FFmpeg-user] output jpeg quality

On Wed, Jan 14, 2015, at 11:05 PM, Green Koopa wrote: -q did set the jpeg compression level, making it consistent across frames. (It had no affect on the png compression level.) Thanks for the tips Lou. For PNG you can use -compression_level. Range is 0-100. Default is 100 (highest

Re: [FFmpeg-user] Streaming to ustream/twitch from Raspberry Pi

On Thu, 19 Feb 2015 13:21:03 + Matt Conway conwa...@gmail.com wrote: pi@raspberrypi /usr/src/ffmpeg $ ffmpeg -i rtsp:// root:FishAxisFood12@192.168.0.4/axis-media/media.amp -an -r 30 -f flv rtmp://ustreamurl Are you intending to re-encode? Do you not want to stream copy instead?

Re: [FFmpeg-user] Looking to change QT audio files from 4 mono chanels to 4 discrete chanels

On Tue, 27 Jan 2015 15:46:46 + Esnault Jean-Manuel jean-manuel.esna...@francetv.fr wrote: Hello All, I'm looking for help. I have a set of QT files with 4 audio mono chanels (uncompressed 48kHz). I need to turn these files into 4 discrete audio chanels. This can be done manually

Re: [FFmpeg-user] I am confused between your FFMPEG and Sourcefordge FFMPEG

On Sun, Jan 25, 2015, at 06:20 PM, Dani A wrote: Guys, I am trying to install FFMPEG-php 0.6.0 on my server ffmpeg-php is a dead project and it is not part of FFmpeg; therefore we can't provide support for it. how can I install the FFMPEG on my server from your site If your distribution

Re: [FFmpeg-user] remark text in video

On Sun, 25 Jan 2015 14:41:42 + Eng.Hany Ahmed micro...@hotmail.com wrote: helloi want make remark text or logo in the video when i transcoding any one have idea how i can do this please Sorry, but I don't understand what you mean by remark. Can you explain in more detail what you want to

Re: [FFmpeg-user] audio extraction for no sound at end of video

On Sat, 10 Jan 2015 11:37:00 -0500 Cliff R Wong cliff.r.w...@gmail.com wrote: Hi. I am extracting the audio from a video file to a wav format ffmpeg -i {0} -ar 8000 -ac 1 -acodec pcm_s16le {1}.wav where {0} is the input file and {1} is the output filename. However, the last 3 minutes

Re: [FFmpeg-user] Converting to h.265, keeping all audio streams

On Tue, 06 Jan 2015 22:44:11 +0100 c...@kruemel.org wrote: Hi, I'm testing converting my h.264 movies to h.265 using ffmpeg (2.5.2 64-bit static): Why? ffmpeg -i ${TARGET} -c:a copy -c:v libx265 -preset slow -x265-params crf=24 -strict experimental ${TARGET}.mp4 You should always include

Re: [FFmpeg-user] output jpeg quality

On Sat, 10 Jan 2015 23:21:42 -0800 Green Koopa greenko...@gmail.com wrote: This creates one image for each second of video: ffmpeg -i 00020.MTS -vf fps=fps=1 -f image2 stills-%03d.png When I change the output format to jpeg, it does the same: ffmpeg -i 00020.MTS -vf fps=fps=1 -f image2

Re: [FFmpeg-user] output jpeg quality

On Mon, 12 Jan 2015 09:08:20 -0900 Lou l...@lrcd.com wrote: It's a linear scale of 1-31. ...for most FFmpeg M(J)PEG* encoders. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Problem encoding raw data frames using libx264 on Mac OS

On Mon, 12 Jan 2015 08:53:29 -0800 (PST) inge inge.bech...@gmail.com wrote: Everything seems to be working fine, except the output is a video that only shows black, for the amount of time that has been encoded. I'm guessing you're playing it with QuickTime? Does anyone have an idea what the

Re: [FFmpeg-user] format for internet explorer post 8

On Sat, Mar 28, 2015, at 02:21 PM, Tim Hiles wrote: try ffmpeg -i screencap_12-27-14-0250.avi -c:v libx264 -qscale:v 22 -async 1 -c:a aac -strict experimental -movflags +faststart krill_screencap.mp4 and see if that works. The input has no audio, and why suggest '-async 1'? Also,

Re: [FFmpeg-user] format for internet explorer post 8

On Sat, Mar 28, 2015, at 03:13 PM, Eric Gunther wrote: Unfortunately that does not seem to jive with what I am seeing, I did notice that message, and thought about it. [...] Trying a number of different techniques to get the video to play. I am using current or near to current IE on current

Re: [FFmpeg-user] using ffmpeg over ethernet

On Sun, Mar 29, 2015, at 07:52 AM, Ran Shalit wrote: Hello, I'm new in using ffmpeg. Is there an example for using ffmpeg over ethernet ? Please be more specific, or else you may get answers like these: ffmpeg -i http://192.168.1.101/input output sshfs user@server:path/to/dir localdir

Re: [FFmpeg-user] configure made a mistake

On Mon, 23 Feb 2015 11:13:59 +1100 Denis Pozharskiy den...@combitel.com.au wrote: Hi, I got the mistake described below when try to configure the latest version of ffmpeg on my MacBook Pro (Yosemite 10.10.2 (14C109)) ... yasm/nasm not found or too old. Use --disable-yasm for a crippled

Re: [FFmpeg-user] invalid AVPacket size in av_read_frame usage.

On Wed, 22 Apr 2015 08:37:24 +0200 daggs da...@gmx.com wrote: Greetings, I'm writing a program that needs to sample the screen in bgra format. the problem is what I try to read an av frame, I get this error: [rawvideo @ 0x1403aa0] Invalid buffer size, packet size 1228800 expected

Re: [FFmpeg-user] Hosting support response on ffmpeg not working on server

On Tue, Apr 28, 2015, at 09:59 AM, Waleed Afridi wrote: = FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers Ancient and unsupported. See: http://ffmpeg.org/download.html You did not include your actual command. Without that information it is

Re: [FFmpeg-user] HLS one liner from /dev/videoX

On Thu, 30 Apr 2015 18:06:03 +0800 Kai Hendry hen...@webconverger.com wrote: Wow, so you've not seen a -report like this? http://s.natalian.org/2015-04-30/ffmpeg-20150430-102645.log The -report option creates an output using the verbose loglevel resulting in such a large output. It is often

Re: [FFmpeg-user] concat movie files

On Thu, Apr 30, 2015, at 03:01 PM, loeff...@eyetrap.net wrote: I am trying to concat ProRes clips (no audio) into one file. You will probably have better luck with the concat demuxer. https://ffmpeg.org/ffmpeg-formats.html#concat-1 https://trac.ffmpeg.org/wiki/Concatenate ffmpeg version 1.1.4

Re: [FFmpeg-user] Broken installation after OSX update

On Tue, Apr 28, 2015, at 11:14 AM, Waleed Afridi wrote: The application already work perfectly on WAMP as i install ffmepg it on window. Please do not reply to another user's thread with questions involving an unrelated topic (I am assuming you are not also Joel Lopez). This is called thread

Re: [FFmpeg-user] ffmpeg not working on server

On Tue, Apr 28, 2015, at 11:18 AM, Waleed Afridi wrote: Can you suggest me anything, From where i got help ? ffmpeg-php, or at least the iteration you are using, is a long dead project. You will likely not get help for that anywhere. You need to decide if you even need a PHP wrapper for ffmpeg.

Re: [FFmpeg-user] Extracting multiple audio stream into one file

On Wed, 06 May 2015 21:07:28 +0200 loeff...@eyetrap.net wrote: ffmpeg version 1.1.4 Copyright (c) 2000-2013 the FFmpeg developers Ancient and unsupported. Please use a build from current git master if you want help here. Recent static builds are acceptable: http://johnvansickle.com/ffmpeg/ Or

Re: [FFmpeg-user] .264 to .avi

will set your messages to be automatically discarded. Lou ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] capturing rtsp cam

On Tue, 12 May 2015 23:26:01 -0300 Juan Traverso jtrave...@digitaltree-tv.com wrote: Hi, Right now I am capturing the web cam through ffmpeg using RTSP port. Hereby command involved: $ffmpeg -f rtsp -i rtsp://192.168.1.99/axis-media/media.amp rtsp://192.168.1.99/axis-media/media.amp

Re: [FFmpeg-user] Issue using -flags2 +mixed_refs option while converting .tif file to .mp4 file

On Wed, Apr 15, 2015, at 04:24 PM, Ali Mohammed wrote: Hello, I have recently install ffmpeg version 2.3.3 from source on Redhat linux 6.5.I am getting the below error while trying to convert a .tif file to .mp4 file using the below syntax. Why do you want to encode a single image as a

Re: [FFmpeg-user] -gcc is unable to create an executable file.

On Mon, 6 Apr 2015 15:30:26 +0530 basanth alluri alluribasa...@gmail.com wrote: Hi Team, I am getting below error while executing the ./build_android.sh in cygwin build_android.sh is not a part of the FFmpeg source, so is not supported here. I don't know much about Android or Cygwin, but

Re: [FFmpeg-user] Little help

On Mon, 6 Apr 2015 21:13:25 +0100 JULIAN GARDNER joo...@btinternet.com wrote: Has anybody any code that will split an audio buffer so that the packet passed to the codec is of the right size. Why do you not ask these type of questions on the libav-user mailing list? That is the list for FFmpeg

Re: [FFmpeg-user] -gcc is unable to create an executable file.

On Tue, 7 Apr 2015 05:14:43 +0530 basanth alluri alluribasa...@gmail.com wrote: Thanks for your reply. Can i know how fate.ffmpeg.org work? 1. Go to http://fate.ffmpeg.org/ 2. Search for Android. 3. Click the link under the Tests column. The configure line will be displayed. It may or nay

Re: [FFmpeg-user] Merge 2 Video + Audio files in a single file side by side.

On Tue, May 19, 2015, at 03:04 AM, meghana.rav...@amultek.com wrote: Hi... I need some help :) I need to merge 2 video files along with their audio in single file side by side. I am able to merge 2 video files in single file but it using audio of first video file only, where as i

Re: [FFmpeg-user] Creating an advanced filter effect that repeats the outer pixels

On Sun, Jun 7, 2015, at 01:57 PM, Jesper Taxbøl wrote: I have tried copying the edge pixel, but the scale filter fails when I try to scale to the needed size. Please show your ffmpeg command and the complete console output. Is there an other way to achieve this clamp effect in a advanced

Re: [FFmpeg-user] ffprobe problem with using php

On Tue, 23 Jun 2015 17:39:40 +0530 Bhavin Prajapati bhavin.prajap...@artoongames.com wrote: Hello, I am trying to print ffprobe out put using php scrip but its give me output. I have try to run php file using php file name from server side then I its giving me out put fine but when I am

Re: [FFmpeg-user] ffprobe problem with using php

On Tue, 23 Jun 2015 21:27:19 +0200 Reindl Harald h.rei...@thelounge.net wrote: really and who is that we don't in case of a *users* list? Developers, contributors, and other users who provide actual, useful help. don#t get me wrong but only direct FFmpeg cli tool usage is bullshit when

Re: [FFmpeg-user] using ffmpeg to make mp4 from png file series

On Wed, 24 Jun 2015 14:40:16 -0600 Ben Foster fos...@ucar.edu wrote: Hi, I have a series of png files that I would like to make into an mpeg movie that would be playable on a Mac. I am trying this w/ the following command: ffmpeg -f image2 -i oplus_maps_zp1_%03d.png -pix_fmt yuv420p

Re: [FFmpeg-user] ffmpeg latency and lag combining audio and video on Raspberry Pi

On Fri, Jun 12, 2015, at 04:32 AM, Neik wrote: I am trying to stream combined audio and video from a Raspberry Pi. To capture video alone I use: raspivid -o - -t 0 -n -w 1280 -h 720 -fps 25 | ffmpeg -thread_queue_size 1024 -y -f h264 -framerate 25 -i - -vcodec copy -f mpegts

Re: [FFmpeg-user] Build script for Tizen

On Wed, 27 May 2015 11:36:56 +0600 Md. Rokanuzzaman Sikder roka...@gmail.com wrote: Dear Concern, I am trying to build FFMPEG for Tizen (ARM). But failed.. What have you tried? How did it fail? What are the errors? What does config.log show? ___

Re: [FFmpeg-user] turn PNG to h264 video function

On Wed, 27 May 2015 15:06:55 +0800 Nemo 377307...@qq.com wrote: I have a funtion to turn PNG to h264, but encode function returns 0, what's going on? Wrong mailing list. Try libav-user. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] extract motion data

On Thu, 2 Jul 2015 15:36:43 + Stevens, Christoph (Christoph) christoph.stev...@alcatel-lucent.com wrote: I surely overlooking something Wrong mailing list (again). Your question belongs on libav-user; not ffmpeg-devel, not ffmpeg-user. Please re-re-read: http://ffmpeg.org/contact.html

Re: [FFmpeg-user] embedding subtitles missing features when apply fonts?

On Mon, 25 May 2015 10:35:50 -0700 jamie chocolate.el...@gmail.com wrote: Hi, You have to use the Advanced Substation format (*.ass) to control the look to that level - can't be done with just an (.srt) to the best of my knowledge with the current version of ffmpeg. I believe SRT will allow

Re: [FFmpeg-user] single frame duration with concat

On Mon, 25 May 2015 16:02:36 +0200 lorenzo angeli lorenzo.ang...@efestolab.uk wrote: Hi all, I'm trying to concatenate a single image before an image sequence. My aim is to retain the first image for just one frame, and not one second (as I'm doing now). I've been trying all sorts of things,

Re: [FFmpeg-user] embedding subtitles missing features when apply fonts?

On Mon, May 25, 2015, at 01:29 PM, Carl Eugen Hoyos wrote: This is currently being worked on as part of Google Summer of code: http://www.google-melange.com/gsoc/proposal/review/org/google/gsoc2015/lalwani1994/5629499534213120 I guess I should have paid more attention to the tasks this year.

Re: [FFmpeg-user] FULL HD/HD to SD

On Thu, May 21, 2015, at 09:42 AM, Trenak wrote: Hello, how make FULL HD to SD quality? and how from HD to SD? Thanks See the scale filter: https://ffmpeg.org/ffmpeg-filters.html#scale ffmpeg -i input -vf scale=640:-2 -c:a copy output ___

Re: [FFmpeg-user] Are there any examples, using ffmpeg libs, of encoding a file where the data comes from memory

On Mon, 17 Aug 2015 21:26:09 + (UTC) JULIAN GARDNER joo...@btinternet.com wrote: sorry for that, stayed away from libav when the split happened. just seen the contact information. will repost  Joolz The libav in libav-user has always referred to the abbreviated, collective name of the

Re: [FFmpeg-user] How to install Ffmpeg on Mint 17.1 - 32 bits

On Tue, Aug 18, 2015, at 06:52 PM, Gianni Sacco wrote: Hi.I've a problem to install on right form ffmpeg on Mint 17.1 - 32 bits. I've already installed it from ppa and from tar.gz but when I try to convert any file from terminal or using programs such as Ffmulticonverter,Tragtor o many else

Re: [FFmpeg-user] Are there any examples, using ffmpeg libs, of encoding a file where the data comes from memory

On Mon, Aug 17, 2015, at 02:10 AM, JULIAN GARDNER wrote: What i am trying to do is to take a full TS, and have a thread read in this stream and pass off X number of programs to different encoding threads. My current code base uses this     avio_open2( inputSource-fmt_ctx-pb,

Re: [FFmpeg-user] Advanced FFmpeg Options

On Sun, Aug 23, 2015, at 09:03 PM, Justin Toner wrote: I am using FFmpeg via Linux terminal, but I started with the code generated by WinFF. From the looks of the command I don't think it's a good starting point. Here is the code line I am using now (transcoding takes ~ 1 hour for one

Re: [FFmpeg-user] -bm_channels flag not working?

On Thu, 20 Aug 2015 10:13:44 +0200 Thomas Langhorst t.langho...@moovit.de wrote: According to an entry in a forum, the ffmpeg documentation seems to be wrong. It states that this option is not implemented yet. The docs were wrong: fixed in commit 538ea9a. -bm_channels and -bm_audiodepth do not

Re: [FFmpeg-user] Video Duration Corruption

On Thu, 6 Aug 2015 13:41:01 -0700 Edoceo, Inc. edo...@gmail.com wrote: I've got a few WebM videos that have crap data in them Please provide a sample file. I've got the command and output here: http://edoceo.io/paste?p=BoIWim All relevant info should be included in your email message if

Re: [FFmpeg-user] Unknown type video file

On Thu, 22 Oct 2015 16:36:48 +0200 Moritz Barsnick wrote: > Or explicitly: > > $ ffprobe -hide_banner -show_format -show_streams inputfile | grep -E > "(format|codec)_(|long_)name" No need for grep: ffprobe -v error -show_entries

Re: [FFmpeg-user] Watermark a captured frame..how?

On Sat, Oct 24, 2015, at 07:13 PM, Dani A wrote: > Hey, > I would like to capture a frame from a video file and then watermark the > captured frame with another smaller image to put the watermark on the > center of the captured frame, what is the command? I could not find this, > I found

Re: [FFmpeg-user] Link to sources on evermeet.cx/ffmpeg/

On Tue, 17 Nov 2015 09:35:38 -0800 John Pilgrim wrote: > I must be bad at reading... > Where on https://evermeet.cx/ffmpeg/ is the link to the sources from which > the binaries were compiled? > Thanks, > John Please avoid thread-hijacking. This occurs when you reply to

Re: [FFmpeg-user] H.264 to YUV

On Wed, 4 Nov 2015 02:10:26 -0800 (PST) Student_M wrote: > Hi all, > > I'm trying to extract YUV-Images from H.264 Videos with this Code: > > ffmpeg -i in.h264 -c:v rawvideo -pix_fmt yuv422p10le -s 1920x1080 -f image2 > out-%03d.yuv Please include the

Re: [FFmpeg-user] looping stream

On Sun, Oct 18, 2015, at 01:52 PM, Eng.Hany Ahmed wrote: > i have presentation video i want make it as live stream but when i make > it as stream with ffmpeg is stop after finish i want this video not stop > even is finish is back to start again automatic without any action from > the user Maybe

Re: [FFmpeg-user] dshow 2 mono audio input to 1 stereo right/left output

On Sun, Oct 18, 2015, at 09:05 AM, Tim Hiles wrote: > I've tried a few different things but I can't seem to get this right. > So, > the question becomes, is it possible? I tried the -amix filter but as > I'm > sure you are all aware that just combines the two streams into one. I'd > like to keep

Re: [FFmpeg-user] looping stream

On Sun, Oct 18, 2015, at 01:29 PM, Eng.Hany Ahmed wrote: > Hello > i need to know how i can make small video 1 min looping in the stream to > working without cut as stream > not need to restart it > thanks for help I don't understand your question. Please explain more clearly.

Re: [FFmpeg-user] missing audio problem after convert h264 + aac to Mpeg2 + mp3

On Mon, Oct 19, 2015, at 01:42 AM, doganersari wrote: > Hello there, > > I am converting mp4 video file to mpg video file with ffmpeg and c++. But > I > have a problem, after convertion there is audio codec info but no audio > when > I play video. How can I solve this problem. Thanks for helps.

Re: [FFmpeg-user] Guidance on converting images to video

On Sat, Oct 10, 2015, at 01:51 PM, Joseph L. Casale wrote: [...] > With some of my attempts to encode with compression, the output > becomes composed of segments which simply stall as if it were skipping > frames, whereas the following seems like a start: I don't quite understand what you are

Re: [FFmpeg-user] Samsung video files

On Tue, 6 Oct 2015 15:24:17 +0100 Gemma Cockcroft wrote: > Is it possible to use ffmpeg to convert video files from a Samsung PVR > CCTV system to something that Audacity can read? The system encodes the > video across multiple files (.bu .db2 .eve .sec) Please provide sample

Re: [FFmpeg-user] How to seek frame-acurate into the very end of video-file

On Tue, 8 Sep 2015 18:36:32 +0100 Peter Rennert wrote: > I am working on a player that needs to be able to seek > frame-acurrate. My approach is to seek use av_seek_frame and then > decode more packets until I reach the pts I am looking for. This > works more or less for

Re: [FFmpeg-user] Invalid duration specification for force_key_frames

On Thu, 3 Sep 2015 15:39:15 +0200 Moritz Barsnick wrote: > I always have my problems decoding this N-36084-g993c84e stuff (why > can't any of the git web interfaces search for g993c84e?) 993c84e (notice no "g" prefix) does not appear to be a valid abbreviated commit hash for

Re: [FFmpeg-user] Transcoding foscam mkv to mp4 is resulting in larger files

On Sat, Sep 12, 2015, at 08:03 PM, Kai Hendry wrote: [...] > The ffmpeg log: > http://ix.io/kMw All relevant info should be placed within the message, and debug output is usually too verbose (unless it is specifically requested). > Sidenote: Found I had to put in a frame rate of 30 else things >

Re: [FFmpeg-user] Best settings for FFV1

s confusing and annoying to navigate. You should probably send a new message; one that is not created by replying to another. Lou ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] max bitrate for vob

On Wed, 16 Sep 2015 00:06:49 +0200 Moritz Barsnick wrote: > Just for info: For the ntsc-dvd target, ffmpeg sets the max rate at > 900. If anyone is curious the target settings can be viewed in ffmpeg_opt.c. For the lazy, search for "dvd".

Re: [FFmpeg-user] Encoding VP6a (How do I use this patch in linked thread?)

On Fri, 11 Sep 2015 09:19:42 -0700 (PDT) byarsulik wrote: > Hello all, > > I am doing a project at work where I need to put a transparent flash video > on our website. I am trying to encode the file, and I've turned to ffmpeg to > do the job. However, I read everywhere

Re: [FFmpeg-user] MP3 files

On Fri, 11 Sep 2015 19:17:00 -0400 Bruce Therrien wrote: > When a Buyer clicks on the song link, it would play a 30 second slice > of the song That doesn't really have anything to do with ffmpeg. Look up the HTML5 element or your preferred method for browser/device playback.

Re: [FFmpeg-user] MP3 files

On Fri, 11 Sep 2015 07:37:58 -0400 Bruce Therrien wrote: > Can ffmpeg be use to extract a 30 second > demo from an mp3 file Yes. See documentation on -ss and -t/-to options: http://ffmpeg.org/ffmpeg.html#Main-options ffmpeg -i input -c copy -ss 10 -t 30 output > and play it

Re: [FFmpeg-user] How to extract frames and re-insert to video ?

On Tue, 15 Sep 2015 00:14:25 -0700 (PDT) ankur456799 wrote: > Hi i want to know that how can i extract some frames and re-insert again the > video..? > > example:- i have a video 5 minutes and i want to extract frame between 1 - > 2 minutes and re-insert it again after

Re: [FFmpeg-user] Webroot antivius detect virus in ffmpeg

On Wed, 16 Sep 2015 01:40:35 -0700 (PDT) ankur456799 wrote: > Webroot detecting virus in ffmpeg... i need help what can i do to fix > this... > FFMPEG.EXE, System.Monitor.Spyrix.Keylogger, > %programfiles%\mangoapps\tinytake by mangoapps\, >

Re: [FFmpeg-user] How to extract frames and re-insert to video ?

On Wed, 16 Sep 2015 01:37:33 -0700 (PDT) ankur456799 wrote: > Hi i am using this i have video 5 min long and i want overlay only for 5 sec > > -i input.mp4 -i 34232944.png -filter_complex " [0:v][1:v] > overlay=0:0:enable='between(t,5,10)',fade=t=in:st=5:d=1, >

Re: [FFmpeg-user] ffmpeg is failing in linux

On Thu, Sep 17, 2015, at 05:29 AM, Sheroo Pratap wrote: > Hi, > > I have downloaded the latest build from ffmpeg official site ( > https://www.ffmpeg.org/download.html) and built it in linux environment. > > When i am calling the binary with my java code it is failing with below > error, but

Re: [FFmpeg-user] Hash code hider project

On Mon, 21 Sep 2015 11:33:02 -0700 (PDT) nassim85 wrote: > I would like to have a piece of program or (a script) who does the following > steps to hide the hash code appears on live channel. See the delogo filter. The rest is up to you.

Re: [FFmpeg-user] Video lose quality after insert overlay images on video..

On Wed, Sep 23, 2015, at 09:21 PM, ankur456799 wrote: > hey sorry actually i dnt know how to get console output please tell me After you run your ffmpeg command the output will appear in your console. Then copy it and paste it into your email message.

Re: [FFmpeg-user] Problem with ffmpeg - Difference in duration time

On Wed, 2 Dec 2015 17:26:20 -0200 Ricardo Heyn Junior wrote: > Hello everyone, > > I am new in ffmpeg, so please be kind. :) > > I have two servers with ffmpeg installed correctly but one of them, the > recently instalation shows me 01 second more in duration, as below:

Re: [FFmpeg-user] Problem with ffmpeg - Difference in duration time

On Fri, 4 Dec 2015 16:50:56 -0200 Ricardo Heyn Junior wrote: > Hello, > > I had to compile the qt-faststart and apply some permissions to www-data > execute the ffmpeg, now everything is working fine. > > Thanks for all! I don't see how qt-faststart is related to your

Re: [FFmpeg-user] libx264 very bad scaling with 4 real CPU cores (no HT)

On Thu, 3 Dec 2015 16:43:28 +0100 D wrote: > If someone is interested in porting these commands to x264 that would > be nice. Don't try to manually set a each option. That's a waste of time & effort. It usually results in contradictions and a less than optimal output. Just

Re: [FFmpeg-user] libx264 very bad scaling with 4 real CPU cores (no HT)

On Tue, 1 Dec 2015 19:17:14 +0100 D wrote: > Another test: this time I built ffmpeg myself according to > https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu > And here's the benchmark -- Very bad scaling: > > $ time ffmpeg -i a.mp4 -c:v libx264 -crf 23 -threads 1 -c:a

Re: [FFmpeg-user] Getting x265 parameter help

On Tue, 1 Dec 2015 12:03:32 -0600 Mike Brown wrote: > Sorry, I missed this response. > > All of the x265 static binaries that I've downloaded for my XP-64 system > all fail with a KERNEL32.dll error. There is a routine that it is looking > for that is not in the

Re: [FFmpeg-user] BUG: audio is missing for mxf file's

On Wed, 6 Jan 2016 17:24:41 +0530 Anupama B R wrote: > Hi everyone, > Audio is missing only for mxf file's. the command used is as > follows. > > *ffmpeg -i ~/City_6_BG.mxf out_file.avi* Does the input file contain audio? > Please suggest me a solution. A

Re: [FFmpeg-user] Joining mp4 files did not yield the expected file

On Tue, 29 Dec 2015 12:44:48 -0700 jd1008 wrote: > Command: > > ffmpeg \ > -i Discourse_1_Part_1.mp4 \ > -i Discourse_1_Part_2.mp4 \ > -i Discourse_2_Part_1.mp4 \ > -i Discourse_2_Part_2.mp4 \ > -i Discourse_3_Part_1.mp4 \ > -i Discourse_3_Part_2.mp4 \ > -strict -2 -y

Re: [FFmpeg-user] Installationon Debian not working

On Thu, 31 Dec 2015 05:57:28 +0100 Harald wrote: > > > Hello, > > I tried to install ffmpeg on my debian 8 PC, but it doesnt wok and it > tells me to write to this mailing list. So I write here. > [...] > ERROR: X265 NOT FOUND USING PKG-CONFIG Probably this:

Re: [FFmpeg-user] how to programitically close a ffplay event

On Wed, 30 Dec 2015 11:52:03 -0500 "Jim Shupert, Jr." wrote: > I am very much able to PLAY in the manner i wish but seem UNABLE to end a > ffplay event so that it can move forward to the next event. -autoexit ___ ffmpeg-user

Re: [FFmpeg-user] High Quality WEBM

On Tue, Dec 22, 2015, at 08:41 AM, Kirk Clemons wrote: > Is there a recommended command for high quality webm video from a raw avi > source? WebM is just a container. You should specify what you want. VP9 or VP8? (Actually I'm unsure if the rate control is the same or not between these.) What

Re: [FFmpeg-user] preserve quality error

On Tue, Dec 22, 2015, at 11:26 AM, juan carlos Rebate wrote: > formatting functions are disabled, this is not my fault > C:\Users\jc\Desktop\ffmpeg-20151208-git-ff6dd58-win64-static\bin > >ffmpeg -i C:\Users\jc\imput.ts -qscale 0 output.avi -vcodec copy Thanks for providing the console output.

Re: [FFmpeg-user] preserve quality error

On Tue, Dec 22, 2015, at 10:07 AM, juan carlos Rebate wrote: > How could preserve the quality?, the command -qscale 0 fails, this > command loses quality 99% As usual, you need to actually show the command you used and the complete console output. Also, provide any inputs files if they are

Re: [FFmpeg-user] Help with Broken Audio Download Please.

On Tue, Dec 22, 2015, at 02:35 PM, Budge wrote: > > I shall keep on trying and please let me know if you have any ideas. Can you provide one of the input files? (ignore this if you have, I only looked briefly). ___ ffmpeg-user mailing list

Re: [FFmpeg-user] how to use ffmpeg - OS X Yosemite

On Thu, Dec 17, 2015, at 04:51 PM, nathan shane wrote: [...] > What I would like to do is edit some video files that I have in a batch. > I do not want to run ffmpeg on individual files. > > I will have a total of 1 - 17000 mpegs that I need to execute my > script on. All of these files

Re: [FFmpeg-user] For Sansa Clip Jam, FFmpeg is busted but avconv is OK.

On Thu, Dec 24, 2015, at 08:45 AM, batguano999 wrote: > > Hi > Any ideas about this trac report? ---> > https://trac.ffmpeg.org/ticket/4998 > How to make FFmpeg m4a muxer behave same as avconv m4a muxer? Is this a regression? Did it work with an older ffmpeg? Kind of hard to provide suggestions

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