21 January

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 18:37
  H.264 to DNxHR 444 issue. Colors are not transcoded correctly (HDR project) - Raulo1985 Newest 'ffmpeg' Questions - Stack Overflow
  I'm having an issue transcoding a H.264 UHD HDR file to a DNxHR file in a mxf container with FFmpeg. The issue is that both files don't look the same at all, the colors look washed out on the DNxHR video, and I tried to make the transcoding as lossless as possible (DNxHR 444 flavor). The original file is a movie I ripped a while ago, H.264, UHD, HDR, in a mkv container. My goal: to create an almost lossless DNxHR file to use it as source file in Adobe Premiere Pro, and use another DNxHR file with less quality as proxy for editing. I wanted to do it that way and not use the original H.264 (...)
• 16:53
  How to overlay a video into other video as blackground at specific time in ffmpeg? - warwolf Newest 'ffmpeg' Questions - Stack Overflow
  MY CODE i "A.mov" -i "B.mp4" -filter_complex "[1:v]setpts=PTS+5/TB[a];[1:v][a]overlay=enable=gte(t\\,5):eof_action=pass,format=yuv420p[out]" -map "[out]" -map 0:a? -c:v libx264 -crf 18 -c:a copy "f.mov" -y This will overlay B.mp4 in font of A.mov but I need B.mp4 As blackground Thank You. --
• 16:19
  FFMPEG cannot encode video with high speed change - Ham789 Newest 'ffmpeg' Questions - Stack Overflow
  Hi I am trying to speed up and trim clips with FFMPEG version 4.2.2. Is there a limit to how fast you can speed up a clip? If I try to speed up a clip over a certain then the output file cannot be opened. I have tried two methods without any luck: 1. using the setPTS filter and 2. inputing the file at a faster frame rate. 1. ffmpeg -i GH012088.MP4 -y -ss 18 -t 0.48 -an -filter:v "setpts=0.096*PTS" -r 25 output.MP4 2. ffmpeg -r 312.1875 -i GH012088.MP4 -y -ss 18 -t 0.48 -r 25 -an output.MP4 I am trying to create a clip from the input that starts at 1 second in the original clip, plays (...)
• 16:10
  Treating a video stream as playback with pausing - kealist Newest 'ffmpeg' Questions - Stack Overflow
  I am working on an application that streams multiple h264 video streams to a video wall. I am using libav/ffmpeg libs to stream multiple video files at once from inside the application. The application will control playback speed, seeking, pausing, resuming, stopping, and the video wall will only be receiving udp streams. I want to implement streaming such that if the videos are paused, the same frame is sent continually so that it looks as if it is a video window in a paused state. How can i insert copies of the same h264 frame into the stream so that it does not mess up sending of (...)
• 15:33
  Extract AUDIO, manipulate & merge again - omarali linux Newest 'ffmpeg' Questions - Stack Overflow
  I'm using Spleeter to remove music from audios. My goal is to build a script that automates the process of extracting audio from the video, execute Spleeter on the extracted audio & than merge the manipulated audio back to the video replacing the original one. The main issue I had is that I don't have enough ram to process the whole extracted audio. I need to split it the into multiple pieces & execute Spleeter upon each piece. Then concatenate the manipulated pieces together and merge the result to the video. Here's what I tried: #!/bin/bash cd ~/Desktop/Video-convert # (...) -- Spleeter
• 16:36
  ffmpeg build on mac with videotoolbox enabled becomes unportable - Alexander Novikov Newest 'ffmpeg' Questions - Stack Overflow
  If i configure ffmpeg this way: ./configure --disable-everything --enable-static --disable-shared \\ --enable-gpl --enable-nonfree --enable-encoder=h264_videotoolbox,aac \\ --enable-muxer=mp4 --enable-protocol=file --enable-libfdk-aac --enable-videotoolbox --disable-autodetect it works for my purposes (allows to encode h264 video with aac audio on Mac's videotoolbox - an Apple QSV toolkit), but if i send it to any other computer except the one it was built on, it fails with something like this: dyld: Symbol not found: _kCVImageBufferTransferFunction_ITU_R_2100_HLG Referenced from: (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 01:23
  avcodec/j2kenc: Fix undefined shifts of negative numbers - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avcodec/j2kenc: Fix undefined shifts of negative numbers Also add parentheses to some lines to make the operator precedence clearer. This affected the FATE-tests vsynth*-jpeg2000 and vsynth*-jpeg2000-97 (where * ranges over 1, 2, 3, _lena ) as well as ticket #7983. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavcodec/j2kenc.c

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 13:27
  Anomalie #4425 (Nouveau): Des bots chinois comptabilisés dans les statistiques Revisions : SPIP
  Bonjour, Je reporte ici un message trouvé sur la liste user. Le fichier /ecrire/inc_version.php inclut un certain nombre de bots à ne pas comptabiliser. Je suggère d'ajouter une liste de bots chinois et russes : Mb2345Browser LieBaoFast zh-CN MicroMessenger zh_CN Kinza Ces bots explosent littéralement mes stats avec des dizaines de milliers de visites comptabilisées. J'ai fait l'ajout manuellement mais la prochaine mise-à-jour de SPIP les effacera. Merci Guilain Au passage, je suggère de faire comme avec : (...)

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 14:27
  Video size optimization - Heba Gamal Eldin Newest 'ffmpeg' Questions - Stack Overflow
  I'm working on a task that should optimize the video's size before uploading to the server in a web application. So i want my model to automatically optimize each input video size. I have many trials in different approaches like FFmpeg: I used libx265, h264 and lib265 as a codec, with some videos it increases the video size and others minimize it with little ratio and it takes so long to generate the output file. for example with video of size 8M input = input_name: None output = output_name: '-n preset faster -vcodec libx265 -crf 28' The output file is 10M. And also tried OpenCV: But (...)
• 13:39
  Video watermarking with ffmpeg (output video size too big ) - kartik bansal Newest 'ffmpeg' Questions - Stack Overflow
  i am running ffmpeg on video of size around 2 Mb and after watermarking them size of my video file is around 13-17 Mb. AM i doing something wrong. Please Help My code is ffmpeg -i "C:\\flask\\mobile_form\\Videos\\20191231140058_987654567.mp4" -i "C:\\flask\\mobile_form\\resizeLogo.jpg" -filter_complex "[0:v][1:v]overlay=10:10,drawtext=text=Hello:fontsize=24:x=main_w-200:y=main_h-100,drawtext=text=World:fontsize=24:x=main_w-200:y=main_h-60" "C:\\flask\\mobile_form\\waterMark\\second.mp4"
• 13:35
  ffmpeg encoding & decoding webcam stream into h264 file using Intel Quick Sync Video hw accelerated decoding - Fedalovich Newest 'ffmpeg' Questions - Stack Overflow
  Using ubuntu 18.04 on NUC. I'm succeeding to use it from a file input. How can I get my webcam input to work with the HW accelerated. Succeeded running the following: ffmpeg -hwaccel qsv -c:v h264_qsv -i input.mp4 -vf hwdownload,format=nv12 -pix_fmt yuv420p output.yuv
• 13:29
  Remove portion of some frames from a video - FlafyMation Newest 'ffmpeg' Questions - Stack Overflow
  Here is what I'm trying to do: Imagine a video with 10 frames (0 = 1 frame) 0 0 0 0 0 0 0 0 0 0 with some frames selected(1 = 1 selected frame) 0 1 1 1 0 0 0 0 0 0 and the end results should be this(all selected frames got removed from the video) 0 0 0 0 0 0 0 this is what I'm trying to do in python(with frames not times). Does anybody knows how I can do that?
• 13:06
  How do you convert an entire directory with ffmpeg? - Eugene Newest 'ffmpeg' Questions - Stack Overflow
  How do you convert an entire directory/folder with ffmpeg via command line or with a batch script?
• 13:05
  How to decode AVFrame with pixel format AV_PIX_FMT_CUDA in software? - M. Ying Newest 'ffmpeg' Questions - Stack Overflow
  I recently followed this example (https://github.com/FFmpeg/FFmpeg/blob/master/doc/examples/vaapi_encode.c) to encode an AVFrame using NVENC (by swapping out AV_PIX_FMT_VAAPI with AV_PIX_FMT_CUDA and h264_vaapi with h264_nvence, among other things). I am now trying to decode the packet that I encoded and converting it to AV_PIX_FMT_YUV420P as such: AVFrame *frame; AVCodecContext *context; AVCodec *codec; avcodec_register_all(); codec = avcodec_find_decoder(AV_CODEC_ID_H264); // allocate and set ffmpeg context context = avcodec_alloc_context3(decoder->codec); // open capture decoder (...) -- https://github.com/FFmpeg/FFmpeg/blob/master/doc/examples/vaapi_encode.c, https://github.com/FFmpeg/FFmpeg/blob/master/doc/examples/hw_decode.c
• 11:53
  Pyinstaller "Failed to execute script pyi_rth_pkgres" and missing packages - gurnben Newest 'ffmpeg' Questions - Stack Overflow
  This is my first time posting a question here as most of my questions have already been answered by someone else! I am working on a GUI application in python and am attempting to use pyinstaller to package it into a single folder and .exe for easier portability. Currently, I am using windows 10 and anaconda3 to manage my python packages. The application relies on tkinter, pillow, numpy, scikit-learn, opencv, ffmpeg, and matplotlib. The application is formatted with a main GUI.py file that creates objects of a number of other files (many of which are stored in a subfolder as this GUI is (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 11:23
  avfilter/vf_v360: add support for input fov to input sg format - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add support for input fov to input sg format [DH] doc/filters.texi [DH] libavfilter/vf_v360.c
• 09:52
  doc/filters: v360: cylindrical supports input - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  doc/filters: v360: cylindrical supports input [DH] doc/filters.texi

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 10:27
  How to get an exact audio channel layout info by ffmpeg? - xin xu Newest 'ffmpeg' Questions - Stack Overflow
  How to get a audio channel layout info by ffmpeg? For example,if audio is 5.1 then I want to get info following like FL+FR+FC+LFE+BL+BR
• 10:15
  How to create transparent GIF using FFMPEG command? - Krupali Shingala Newest 'ffmpeg' Questions - Stack Overflow
  I tried this command for create transaprent GIF, but created gif take black image always. "-y", "-start_number", "1", "-i", path + "%d.png", "-vf", "scale=480x240", "-preset", "ultrafast", gifpath
• 09:26
  CPU limit on multiple FFMPEG process - Sean Pribadi Newest 'ffmpeg' Questions - Stack Overflow
  when i worked with ffmpeg single process, i could use cpulimit to limit their CPU usage for not use 100% cpu usage. But how to limit overall ffmpeg if i run 2 or more ffmpeg process at the same time ? The overall process by ffmpeg will be used 100% cpu usage
• 05:09
  ffmpeg support on heroku (Discord Bot) [closed] - itsfood Newest 'ffmpeg' Questions - Stack Overflow
  I'm wondering how to get my bot (was functioning fine on my pc) to get access to ffmpeg. I've uploaded the ffmpeg files just how they were in the folder when they worked on my pc, but my bot crashes when asked to perform the same commands when being hosted by Heroku. How do I get ffmpeg to work with Heroku?
• 08:43
  FFMPEG: sws_scale returns error: Slice parameters 0, 2160 are invalid - Matthew Czarnek Newest 'ffmpeg' Questions - Stack Overflow
  I'm trying to follow a tutorial to display ffmpeg AVFrame output in SDL. The tutorial(and all examples I'm seeing online) are still using 'sws_getContext', which has been deprecated and removed from the newest version of ffmpeg. Trying to change current pixel format from whatever it currently is to PIX_FMT_YUV420P, so I can display it. I believe I need the sws_scale function to accomplish this. However, sws_scale is the function that causes a command line error of: Slice parameters 0, 2160 are invalid Here is all my code associate with swsContext: struct SwsContext* av_sws_ctx = NULL; (...)
• 08:27
  error: 'libavutil/internal.h' file not found - Orest Newest 'ffmpeg' Questions - Stack Overflow
  I'm using ffmpeg lib. I try #include "libavutil/internal.h" but received error 'libavutil/internal.h' file not found. What should I have to do?
• 08:22
  FFmpeg to convert "many" mp3 files to wav files - ab123 Newest 'ffmpeg' Questions - Stack Overflow
  I wish to convert some hundred thousand small-duration(mp3 files to wav files. But the process presently takes several days to complete. I would like to know if there is a faster way than what I am currently doing. Currently, I am just spawning threads and calling ffmpeg via subprocess module in Python. When I use subprocess.Popen() I quickly get memory errors because too many threads get started. Using subprocess.call() works error-free. Additionally, I am using threading.Semaphore() to limit maximum number of working threads. Code: import threading import subprocess maxthreads = 50 (...)
• 06:26
  FFmpeg end of filter semicolon being ignored when evaluating chained filters - Peter Lockhart Newest 'ffmpeg' Questions - Stack Overflow
  I'm new to FFmepg so please forgive me if the terminology is wrong. I would like to add text and audio to an existing video file. I'm chaining together 2 drawTexts, then in a different filter, I want to merge audio tracks of the original source video and some background music. ffmpeg -i sourceNoText.mp4 -i backgroundMusic.mp3 -filter_complex "drawtext=enable='between(t,0,3.5)':fontfile=burbank.ttf:text='Your name - PETER':fontsize=90:x=(w-text_w)/2:y=(h-th-(h/10)-20):fontcolor='White', drawtext=enable='between(t,11.5,14.75)':fontfile=burbank.ttf:text='You couldn't have done it without (...)
• 03:23
  Ffmpeg converts video of double size of original video with second part without audio - mridul4c Newest 'ffmpeg' Questions - Stack Overflow
  I am converting some videos with below command in ffmpeg ffmpeg -y -i source.mp4 -c:a libfdk_aac -ac 2 -ab 128k -c:v libx264 -x264opts keyint=24:min-keyint=24:no-scenecut -crf 18 -b:v 4000k -maxrate 4000k -bufsize 4000k -vf "scale=-1:1080" destination_1080.mp4 But in some cases the output video is exactly double size of the original and the second part is without audio. Please help.
• 01:55
  add ffmpeg.exe, ffprobe.exe, D3DCompiler_43.dll to exe file by using pyinstaller - 임수진 Newest 'ffmpeg' Questions - Stack Overflow
  Execution Environment : Windows10, Anaconda, Python3.6 My program use ffmpeg.exe, ffprobe.exe, D3DCompiler_43.dll in execution. I must make .exe file including them all. I try pyinstaller setup.spec It completed successfully. But, .exe file doesn't work properly. setup.spec outcome of exe file -- setup.spec, outcome of exe file

20 January

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 23:57
  lavc/mjpegenc: Fix not writing RST tag after final slice. - Carl Eugen Hoyos git.videolan.org Git - ffmpeg.git/rss log
  lavc/mjpegenc: Fix not writing RST tag after final slice. Fixes ticket #8412. [DH] libavcodec/mjpegenc_common.c
• 20:20
  avcodec/adxdec: Remove unnecessary left-shift - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avcodec/adxdec: Remove unnecessary left-shift Replace "(a * (1 << shift) * b + c) >> shift" by "a * b + (c >> shift)". It is equivalent to the old code because a is in the range of uint16_t, shift is 12 and b is effectively a signed 4-bit number, so that no overflow/truncation of high bits happens during the multiplication (overflow would be undefined anyway). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] (...)
• 20:20
  avcodec/adxenc: Avoid undefined left shift of negative numbers - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avcodec/adxenc: Avoid undefined left shift of negative numbers Replace "((a << shift) + b) >> shift" by "a + (b >> shift)". This avoids a left shift which also happens to trigger undefined behaviour in case "a" is negative. This affected the FATE-tests acodec-adpcm-adx and acodec-adpcm-adx-trellis; it also fixes ticket #8008. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] (...)
• 16:56
  avcodec/adpcm: Fix undefined left shifts of negative numbers - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avcodec/adpcm: Fix undefined left shifts of negative numbers Affected the adpcm-afc, adpcm-ea-1, adpcm-ea-2, adpcm-ea-maxis-xa, adpcm-thp and ea-cdata FATE-tests. Also fixes ticket #8487. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavcodec/adpcm.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 22:54
  ffmpeg-python: Test if video clip has audio - Paul Newest 'ffmpeg' Questions - Stack Overflow
  Im using ffmpeg-python to do some video transformations. If I have the following: infiles = [] infile = ffmpeg.input("/tmp/xxx.mp4") infiles.append( infile['v'] .filter('scale', size='1920x1080', force_original_aspect_ratio='decrease') .filter('pad', '1920', '1080', '(ow-iw)/2', '(oh-ih)/2') ) infiles.append(infile['a']) ( ffmpeg .concat( *infiles, v=1, a=1, unsafe=True) .output(out_tmp_file) .run() ) When I run it, I get the following error: Stream specifier ':a' in filtergraph description (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 23:29
  avfilter/vf_v360: add support for cylindrical input format - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add support for cylindrical input format [DH] doc/filters.texi [DH] libavfilter/vf_v360.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 21:13
  RTMP server can't stream video (only audio) - Jeffrey Newest 'ffmpeg' Questions - Stack Overflow
  I'm implementing an RTMP server right now, and everything's been working except for video streaming. I can stream audio with no problems (using OBS to stream), and play it back via VLC. The problem is VLC plays the audio, but no video. What I'm doing right now is forwarding every audio and video message I receive from OBS, I grab the original payload (audio/video data) and put in a Type 0 Chunk, since I've seen pretty much every implementation do this. I don't know if I'm missing some sort of processing that should be done on the video data. If I try to playback with ffmpeg (saving the (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 14:50
  avfilter/vf_v360: add support for flat input format - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add support for flat input format [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c
• 13:45
  avfilter/vf_v360: rewrite fov_from_dfov() - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: rewrite fov_from_dfov() [DH] libavfilter/vf_v360.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 20:39
  Converting multiple RTP Streams into gRPC Stream - GJ. Newest 'ffmpeg' Questions - Stack Overflow
  I am receiving multiple RTP streams(g711 ulaw/alaw) which may be coming on TCP or UDP, I want to terminate the RTP and get the raw media from the RTP stream and stream it to a different destination by using Google gRPC protocol. Currently I have a RTP processing engine which does this and give me the raw stream from RTP stack which i further stream to gRPC destination, but this solution does not scale beyond 1000 streams on one host and is difficult to maintain. I want to replace this with some highly scalable solution where i can scale to several thousand of streams and does not need (...)
• 20:23
  ffmpeg: match audio video duration post concatenation - Massimo Vantaggio Newest 'ffmpeg' Questions - Stack Overflow
  I wrote this bash to automate concatentation of videos for dash mpeg streaming infinite loop. Im unable to obtain same duration for audio and video, with the videos that i'm using for testing i get always 6 ms more for audio track. May ask help to debug it and understand how to get same duration for both audio and video track? #!/bin/bash #CANCAT 0.3 cd input fps=() # GET FPS OF EACH VIDEO INTO ARRAY for f in *.mp4; do _f=$(ffmpeg -i "$f" 2>&1 | sed -n "s/.*, \\\\(.*\\\\) fp.*/\\\\1/p") fps+=("$_f") done #GET NUMBER OF ELEMENTS IN FPS ARRAY tLen=$#fps[ⓐ] #CHECK FPS EQUALITY for tLen in (...) -- https://gofile.io/?c=WPAC0Q
• 20:01
  How to read the timecode from a DPX file via Python - Mike McReynolds Newest 'ffmpeg' Questions - Stack Overflow
  As part of a larger script, I need to be able to read the timecode off of a DPX file. I have ffmpeg and ffprobe, but I'm a beginner when it comes to using those programs. For MOV files, I was able to cobble this together: def GetStartingTimecodeFromMOV(Filename): cmd = "ffprobe -v quiet -print_format json -show_streams -show_format" args = shlex.split(cmd) args.append(Filename) String = subprocess.check_output(args).decode('utf-8') for Line in String.split("\\n"): if Line.count("timecode"): Timecode = Line.split("\\"")[3] return Timecode ...but their must be some subtle difference in the (...)
• 18:50
  Playing incoming video stream via FFMPEG (C#) - Ahmad45123 Newest 'ffmpeg' Questions - Stack Overflow
  I'm building an application that captures computer screen in realtime and pushes it over to a remote application via sockets for viewing.. I play the video using ffmpeg (with bindings for c#) with a custom IO context that reads from the socket directly. The issue I'm having is that ffmpeg for some reason keeps assuming random video lengths like sometimes 0.256s, sometimes 10s, sometimes 3s whatever.. Message similar to this: VIDEO - Start Time: 0.000; Duration: 0.251 Timing Offsets - Main Component: Video; Start Time: 0.000; Duration: 0.251; Then it stops playing after this time.. How (...)
• 18:43
  VLC - Transcoding a 4k Picture to a Transport Stream - gdogg371 Newest 'ffmpeg' Questions - Stack Overflow
  After a lot of crying, stamping my feet and pulling my hair out, I have now managed to transcode my 4k capture card into an RTP MPEG2 transport stream using VLC, as per the below: vlc dshow:// :dshow-vdev="Video (00 Pro Capture HDMI 4K+)" :dshow-adev="Audio (2- 00 Pro Capture HDMI 4K+)" :dshow-threads=8 :dshow-aspect-ratio=16\\:9 :dshow-size="2160x1080" :dshow-pixel_format=NV12 :dshow-tune=film :dshow-preset=veryslow :dshow-vcodec=hevc_nvenc :dshow-fps=50 :dshow-crf=0 :dshow-acodec=mp4a :dshow-stereo-mode=5 :dshow-force-surround-sound=0 :dshow-ab=128 :dshow-samplerate=44100 (...)
• 18:43
  Opencv How to Overlay Text on Video with audio file and audio and text should be in sync - vinay kumar Newest 'ffmpeg' Questions - Stack Overflow
  I am new to OpenCV. I have created a video with text and image. it's working fine. but when I am trying to add audio to the file then audio is not getting sync with the text. I am using OpenCV and FFmpeg. also tried MoviePy but did not work. class CreateVideoFromMP3AndText(object): default_path = "new_filename.mp4" def __init__(self, text, audio, video=None): self.text = text self.audio = audio self.video = video def get_paragraphs(self): return tokenize.sent_tokenize(self.text) def convert_image_2_video(self): img_array = [] for text in self.get_paragraphs(): for filename in (...)
• 17:51
  JavaFX MediaPlayer unable to play local m3u8 file - Lennart Newest 'ffmpeg' Questions - Stack Overflow
  I want to show a live stream of a web cam in my JavaFX application using the MediaPlayer/MediaView. My attempt was to use ffmpeg to record a HLS and to play the resulting m3u8 file, but that throws the following exception (VLC plays the video without problems): MediaException: UNKNOWN : com.sun.media.jfxmedia.MediaException: Could not create player! : com.sun.media.jfxmedia.MediaException: Could not create player! at javafx.scene.media.MediaException.exceptionToMediaException(MediaException.java:146) at javafx.scene.media.MediaPlayer.init(MediaPlayer.java:511) at (...) -- requirements, this

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 17:05
  doc/fftools-common-opts: small fix to -report documentation. - Nicolas George git.videolan.org Git - ffmpeg.git/rss log
  doc/fftools-common-opts: small fix to -report documentation. [DH] doc/fftools-common-opts.texi

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 15:53
  Merge a sequence of JPEG images into a grid losslessly with FFmpeg - Mody Newest 'ffmpeg' Questions - Stack Overflow
  I have a sequence of images that are blocks of a larger image, which together make up the whole image. The blocks are the result of splitting the original image along evenly spaced horizontal and vertical lines, so they don't have weird dimensions. Is there a way to combine them with FFmpeg (or something else like ImageMagick) without re-encoding the images? This answer suggests the hstack or vstack FFmpeg filter, but my image blocks aren't necessarily the full width or the full height of the original image. Like this: Perhaps this could be achieved with multiple FFmpeg commands (...)
• 14:47
  Watch multi-stream video file while being recorded by ffmpeg - Luke Gorrie Newest 'ffmpeg' Questions - Stack Overflow
  I am using ffmpeg to record four 1080p video streams simultaneously and I would like to view these streams in real time while they are being recorded. Ideally I would like to view them from a separate machine, using some convenient Linux data sharing method like ssh/sshfs/..., but that is a nice-to-have. Is there a practical way to accomplish this? The ffmpeg recording command that I currently use is like this: ffmpeg \\ -f v4l2 -i $cam0 \\ -f v4l2 -i $cam1 \\ -f v4l2 -i $cam2 \\ -f v4l2 -i $cam3 \\ -f matroska \\ -map 0 \\ -map 1 \\ -map 2 \\ -map 3 \\ -c copy \\ $output.mkv My problem would be (...)
• 14:28
  libav ffmpeg - streaming from both a mkv and input stream - kealist Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to use ffmpeg libraries in C# with AutoGen bindings. The overall issue is that I am taking a collection of sources, some streams, and some .mkv containing recordings of a stream. As for now, they are all h264 and only video. For input streams, I am able to adjust the packets and broad cast them and that works fine, but any time I try to call av_interleaved_write_frame with packets from the MKV file, I get the error Error occurred: Invalid data found when processing input. Here is the main loop, where the error happens for mkv files. Is there an extra step? /* read all packets (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 12:54
  doc/filters: clarify resampling and linear mode in loudnorm - Gyan Doshi git.videolan.org Git - ffmpeg.git/rss log
  doc/filters: clarify resampling and linear mode in loudnorm [DH] doc/filters.texi

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 11:45
  ffmpeg how to reduce bass and increase treble like audacity - Santhosh Yedidi Newest 'ffmpeg' Questions - Stack Overflow
  I have an mp3 file. I want to reduce bass and increase treble. I am trying: ffmpeg -y -i original.mp3 -af "treble=g=10" test1.mp3 but its not same as the effect of Audacity->Effect->bass and treble (increase treble and reduce bass) below is the image from audacity: --

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 09:27
  Anomalie #4424: Une rubrique est considérée comme publiée si elle a un logo - b b Revisions : SPIP
  Lu et validé, d'où la demande de PR, je ne vais pas le commiter pour toi :p

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 03:42
  PowerShell doesn't recognize string correctly - fdroid Newest 'ffmpeg' Questions - Stack Overflow
  I'm passing a command to powershell Dim command As String command = "ffmpeg -vsync 0 –hwaccel cuvid -c:v h264_cuvid –resize 1280x720 -i D:\\Imagens\\nova\\bol.mkv -c:a copy -c:v h264_nvenc -b:v 5M D:\\Imagens\\nova\\bol_encod.mkv" with Dim powerShell As String = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe" Process.Start("powershell", "-noexit " + command) but powershell returns Unable to find a suitable output format for 'ÔÇôhwaccel' ÔÇôhwaccel: Invalid argument where I believe 'ÔÇôhwaccel' to be –hwaccel; That's completely strange, once when I past the code directly on PowerShell it (...)

19 January

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 11:29
  How to record screen with audio? [closed] - Leon Gerstberger Newest 'ffmpeg' Questions - Stack Overflow
  Is it possible to record the screen with desktop audio? Either the native desktop audio or a specific application audio. Is this possible? Thanks.

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 23:01
  avformat/hlsenc: fix default AES key file url with variant streams - Bela Bodecs git.videolan.org Git - ffmpeg.git/rss log
  avformat/hlsenc: fix default AES key file url with variant streams Currently when hls_enc is active and there are multiple variant stream outputs, default key file url construction does not work, because it is based on the FormatContext' url field. But in case of multiple variant streams, it contains the variant m3u8 output playlist url that contains the %v placeholder. So the result key file url will hold the %v placeholder causing run time error message about "could not write the key file". This patch correct this behaviour, and use the master playlist url for constructing (...)

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 23:27
  Anomalie #4424: Une rubrique est considérée comme publiée si elle a un logo - nicod _ Revisions : SPIP
  Quoi, plus personne sait lire un patch ou quoi ? ^^

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 22:42
  Trimming Video From HTML Input Tag - Jordan Epstein Newest 'ffmpeg' Questions - Stack Overflow
  I'm trying to have a user upload a video file of type mp4 and then be able to change its length (to trim out certain sections of the clip) within the browser. Do any of you have a good way of going about doing this? I looked into FFMPEG from Javascript but I'm not sure how I can pass in a File Object. Thanks!
• 22:05
  Transcoding HEVC 4K HDR using ffmpeg and vaapi - P. Brand Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to transcode a 4K HEVC HDR video to a lower bitrate using ffmpeg and VAAPI hardware acceleration for my LG OLED television. I use the following file: Video Using the following command: ffmpeg -init_hw_device vaapi=va:/dev/dri/renderD128 -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_device va -filter_hw_device va -i LG\\ 4K\\ HDR\\ Demo\\ -\\ Daylight.mkv -map 0:0 -t 00:00:20 -c:v hevc_vaapi -sei hdr -qp:v 21 lg_vaapi.mkv But this file is not recognized as HDR on my TV. When using the libx265 encoder (which is off course much slower) it works fine: ffmpeg -i LG\\ 4K\\ HDR\\ (...) -- Video, Patch
• 21:04
  ffmpeg - on end function probably not working correctly? - Jul Pod Newest 'ffmpeg' Questions - Stack Overflow
  got this code to loop through some .mp4 files and create a screenshot of them: files.forEach(file => console.log(file); if(!fs.existsSync('img/' + file.replace('.mp4', '.png'))) ffmpeg( source: 'movies/' + file) .takeScreenshots( timemarks: [ '50' ], size: '150x100' , 'img/', function(err, filenames) ) .on('end', function() fs.rename('img/tn.png', 'img/' + file.replace('.mp4', '.png'), function(err) if (err) console.log('Error: ' + err) ); sleep(1000); ) ); Now i got the problem that it seems like that .on(end) is sometimes not working, Error: ENOENT: no such file or directory, (...)

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 19:19
  Anomalie #4424 (En cours): Une rubrique est considérée comme publiée si elle a un logo - b b Revisions : SPIP
  Paye ta PR mignon ;)
• 15:51
  Anomalie #4424 (En cours): Une rubrique est considérée comme publiée si elle a un logo - nicod _ Revisions : SPIP
  Une rubrique sans article passe au statut "publie" dès qu'on lui ajoute un logo (qui sont maintenant des documents). Je pense que c'est à la fois côté SPIP, qui compte tous les enfants d'une rubrique, et du côté du plugin médias, qui renvoie le nombre de documents d'une rubrique qu'il faut intervenir. Mais medias_objet_compte_enfants() renvoie juste un total (sql_countsel), du coup il faudrait peut être lui passer un paramètre pour qu'elle exclue les logos dans certains cas (...)

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 18:34
  Audio video duration matching for infinite dash loop pseudo live - Massimo Vantaggio Newest 'ffmpeg' Questions - Stack Overflow
  May I ask help to understand how to match audio and video duration during ffmpeg encoding for a concatenation of videos destined to an infinite loop mpeg dash transmission (mp4box). My issue happen during ffmpeg encoding: first step for audio encoding and timebase uniformity of each video before the concat/encode process: ffmpeg -y -i "$f" -c copy -video_track_timescale 90k -c:a aac -b:a 384k -ar 44100 -ac 2 -shortest -af aresample=async=1 ../buffer/$NAME_buffer.mp4 Then concat/encode process in order to get total duration in seconds multiple of closed GOP for example: cutting 373.5 (...)
• 19:59
  FFMPEG ignoring attempts to set user agent or other headers - lmsm3 Newest 'ffmpeg' Questions - Stack Overflow
  I am on Windows, using the latest build from Zeranoe wich was linked on the ffmpeg site. My command is ffmpeg.exe -headers 'User-Agent: "This does not Work"' -protocol_whitelist file,http,https,tcp,tls,crypto -i "local.m3u8" -c copy "out.mp4" -v trace My local.m3u8 file is #EXTM3U #EXT-X-TARGETDURATION:10 #EXTINF:10.000, http://127.0.0.1/ #EXT-X-ENDLIST On localhost i have a simple server running that logs the user agent. It outputs 'user-agent': 'Lavf/58.29.100', accept: '*/*', connection: 'keep-alive', host: '127.0.0.1', 'icy-metadata': '1' The user agent has not been set. I have (...) -- https://pastebin.com/raw/W9hsjraT

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 18:30
  avfilter/vf_v360: replace rest of roundf() with lrintf() - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: replace rest of roundf() with lrintf() [DH] libavfilter/vf_v360.c
• 10:46
  avfilter/vf_v360: change remaps to int16_t type - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: change remaps to int16_t type [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c [DH] libavfilter/x86/vf_v360_init.c

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 16:22
  Anomalie #4424: Une rubrique est considérée comme publiée si elle a un logo - nicod _ Revisions : SPIP
  J'ai un patch qui corrige (chez moi en tout cas), à voir si c'est suffisant.

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 15:27
  OpenCV returns an Array of All Zeros on video.read - Ikechukwu Anude Newest 'ffmpeg' Questions - Stack Overflow
  Below is the relevant code import cv2 as cv import numpy as np video = cv.VideoCapture(0) #tells obj to use built in camera\\ #create a face cascade object face_cascade = cv.CascadeClassifier(r"C:\\Users\\xxxxxxx\\AppData\\Roaming\\Python\\Python36\\site- packages\\cv2\\data\\haarcascade_frontalcatface.xml") a = 1 #create loop to display a video while True: a = a + 1 check, frame = video.read() print(frame) #converts to a gray scale img gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY) #create the faces faces = face_cascade.detectMultiScale(gray, scaleFactor=1.5, minNeighbors=5) for(x, y, w, h) in faces: (...)
• 10:52
  ffmpeg complex filtering: how to get around - Melvin Roest Newest 'ffmpeg' Questions - Stack Overflow
  Alright, I have my own compiled ffmpeg with --enable-lv2. This allows for 3rd-party plugins to work. The plugin I use is: https://github.com/lucianodato/speech-denoiser it's a plugin that wraps around this RNN noise reduction library: https://github.com/GregorR/rnnoise-models The following commands work: (1) ffmpeg -i input.mov -filter_complex '[0:a]lv2=plugin=https\\\\://github.com/lucianodato/speech-denoiser[audio]' -map "[audio]" output.wav (2) ffmpeg -i input.mov -filter_complex '[0:v]copy[video]' -map "[video]" output.mov But when I do the combination, that doesn't work. ffmpeg -i (...) -- https://github.com/lucianodato/speech-denoiser, https://github.com/GregorR/rnnoise-models
• 08:30
  How can we transcode live rtmp stream to live hls stream using ffmpeg? - Kiran Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to convert a live rtmp stream to hls stream on real time. I got some idea after reading http://sonnati.wordpress.com/2011/08/30/ffmpeg-%E2%80%93-the-swiss-army-knife-of-internet-streaming-%E2%80%93-part-iv/ i am able to convert the live rtmp stream to hls but not at run time. when i run the command and test for any hsl files (.m3u8 and .ts) i am not able to see but when i interrupt the command and check there i get the hls files as required. I searched on google for solution but not able to get proper answer. Can any body help me? Thanks in (...)
• 06:16
  Why getting ffmpeg error/warning : Past duration 0.933205 too large ? Getting a lot of it when recording the desktop as video file - Daniel Lip Newest 'ffmpeg' Questions - Stack Overflow
  This is the command : ffmpeg -f gdigrab -framerate 24 -i desktop -preset ultrafast -pix_fmt yuv420p player.mp4 Not sure how to fix it.

18 January

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 17:41
  avformat/hlsenc: program_date_time and append_list flags conflict - Bela Bodecs git.videolan.org Git - ffmpeg.git/rss log
  avformat/hlsenc: program_date_time and append_list flags conflict When program_date_time flag is present, in m3u8 playlist file each segment has a corresponding EXT-X-PROGRAM-DATE-TIME value. The intial program-date-time value is the actual current time at init and each new segment increments this value by its duration. When append_list flags is also present, existing playlist parsing by hls_append_segment treats existing segments as new segments regarding the program-date-time calculation. But it should not do that, because this way all real the new segments' EXT-X-PROGRAM-DATE-TIME (...)
• 19:44
  avfilter/vf_v360: move map variable up - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: move map variable up [DH] libavfilter/vf_v360.c
• 18:48
  avfilter/vf_v360: make more stuff const - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: make more stuff const [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 21:37
  play m3u8 video from laravel storage - Jennsen Newest 'ffmpeg' Questions - Stack Overflow
  My question is the same as how to play m3u8 videos from laravel storage but this one did not get answers. If I play the video from the public folder it does it without problems. but if I want to play it from storage this doesn't work. public function watch(Request $request, Episode $episode) $video = Storage::disk('videos')->get($episode->video); return new Response($video, 200, ['Content-Type' => 'application/x-mpegURL', 'isHls' => true]); this is the definition of my disk in config/filesystems.php 'videos' => [ 'driver' => 'local', 'root' => storage_path('app/videos'), 'url' => (...)
• 21:31
  Condition after for loop (Batch/CMD) - Qwertz Newest 'ffmpeg' Questions - Stack Overflow
  So I currently have this batch that converts every .MTS on the current folder to .MP4 using ffmpeg, however when it is done I get both .mp4 and .mts on the folder. I have 2 batches, one to convert the files and another one to delete the unwanted files afterwards, but I'm having trouble trying to join them in the same batch script. Converter.bat: for %%i in (*.MTS) do ffmpeg -i "%%i" -c:a libfdk_aac -b:a 256k "%%~ni.mp4" Delete.bat: del /S *.MTS Any help (...)
• 21:31
  Nodejs: how to create video from images? - Amit Jain Newest 'ffmpeg' Questions - Stack Overflow
  How can you create a video from given images in Node.js? I tried using the ffmpeg npm module but it won't work for me, and I also tried using the videoshow npm module and that also did not work for me. Can anyone suggest how to create video from images and also give me some basic code to run? -- videoshow

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 19:27
  Evolution #4063: Position de la prévisualisation - jean marie Revisions : SPIP
  Constaté en 3.3.0-dev [24477] : quand je clique sur prévisualiser, j'ai bien un scroll (même la 1ère fois), mais vers le haut alors que la prévisualisation est en bas désormais.

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 20:03
  How do you exclude files that are larger than 500 megabytes from a bash? - pkru187 Newest 'ffmpeg' Questions - Stack Overflow
  So my goal is to convert all files that are in a certain directory with ffmpeg but not the ones that are smaller than let's say 500 megabytes? What I made up so far is: #!/bin/bash mkdir converted if ; then for i in *.mp4; do ffmpeg -n -i "$i" -f mp4 -c:a aac -c:v libx265 -preset medium -crf 23 "converted/$i%";done fi The script kind of works. ffmpeg starts running but it also converts the mp4s that are smaller than size +500000. I'm not good with scripting. I just started but I believe that I know where the mistake is. The if-clause tells ffmpeg to start running if there are certain (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 16:26
  avfilter/vf_v360: add perspective output projection - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add perspective output projection [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c
• 01:29
  avcodec/libx265: zero the padding bytes in extradata - James Almer git.videolan.org Git - ffmpeg.git/rss log
  avcodec/libx265: zero the padding bytes in extradata Reviewed-by: Michael Niedermayer <michaelⓐniedermayer.cc> Signed-off-by: James Almer <jamrialⓐgmail.com> [DH] libavcodec/libx265.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 14:10
  How can I write a custom ffmpeg command with fluent-ffmpeg - Lauren Newest 'ffmpeg' Questions - Stack Overflow
  How can I pass a custom command to fluent-ffmpeg(https://www.npmjs.com/package/fluent-ffmpeg/v/1.7.0)? I just want to pass the command string. Something like var command = FFmpeg("ffmpeg -i input.mp4 -i input.mp3 -c copy -map 0:v:0 -map 1:a:0 output.mp4") I've seen the examples provided but seems that ffmpeg knowledge is required as to what is a filer, codec etc... -- https://www.npmjs.com/package/fluent-ffmpeg/v/1.7.0
• 12:34
  Header missing error while decoding .mp3 file using FFMPEG - Shankar Newest 'ffmpeg' Questions - Stack Overflow
  [mp2 ⓐ 0x555556aea340] Header missing Error submitting the packet to the decoder This above error is getting and i am unable to find out the reason. I am decoding mp3 audio file using FFMPEG decode_audio.cpp pgm for which link is: https://www.ffmpeg.org/doxygen/4.1/decode_audio_8c-example.html I want to decode file into .wav file. if anyone can answer this it would be helpful for everyone whoever in future doing audio decoding part. -- https://www.ffmpeg.org/doxygen/4.1/decode_audio_8c-example.html

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 13:43
  avfilter/vf_v360: add gaussian interpolation - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add gaussian interpolation [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c
• 10:57
  avfilter/vf_v360: fix some small nits - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: fix some small nits [DH] libavfilter/vf_v360.c
• 02:37
  doc/spp: Update spp command options docs - Jun Zhao git.videolan.org Git - ffmpeg.git/rss log
  doc/spp: Update spp command options docs Update spp command options docs Reviewed-by: Gyan Doshi <ffmpegⓐgyani.pro> Suggested-by: Moritz Barsnick <barsnickⓐgmx.net> Signed-off-by: Jun Zhao <barryjzhaoⓐtencent.com> [DH] doc/filters.texi

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 09:35
  video png overlay issue using concat - Massimo Vantaggio Newest 'ffmpeg' Questions - Stack Overflow
  may i ask help to understand why the png logo appears only on the first video of the concat result? Thanks! ffmpeg -f concat -safe 0 -y -i list.txt -i ../logo/logo.png -c:a copy -c:v libx264 -x264opts keyint=$50:min-keyint=$50:no-scenecut -bf 0 -r $25 -b:v 4800k -maxrate 9600k -bufsize 19200k -profile:v main -crf 22 -filter_complex "[0:v][1:v]overlay=main_w-overlay_w-10:10,scale=1920:1080,setsar=1" -t 370 1080set.mp4
• 06:26
  FFProbe generated data don't seem to agree with calculated data using ffmpeg libraries - ark1974 Newest 'ffmpeg' Questions - Stack Overflow
  Using ffmpeg library avformat I am trying to check if the ffprobe generated data agrees with the data generated by the library. The code objective is to try to seek to the nearest key frame. When trying to seek at 100 frame or less, the codes returns 0 all the time. When trying to seek at 200 frame, the codes returns 4 all the time. But the result ie 4th frame don't seem to be right. Where am I wrong? Is my time_base conversion to actual frame faulty? The test result using ffprobe Filename = test.mp4 Duration = 00:00:10.56 Fps = 25 Total frames = 256 The key frames pkt_pts_time are at (...)
• 06:02
  FFmpeg doesn't work on android 10, goes strait to onFailure(String message) with empty message - nolanic Newest 'ffmpeg' Questions - Stack Overflow
  I'm using FFmpeg in one of my projects for video compression. On Android 10 (Google Pixel 3a), it goes straight to onFailure(String message) with empty message for any command sent for execution. so I have (api 'com.writingminds:FFmpegAndroid:0.3.2') specified in my app gradle file, permission (android.permission.WRITE_EXTERNAL_STORAGE) in the manifest is specified So I do: InitializationCallback initializationCallback = new InitializationCallback(); try FFmpeg.getInstance(context).loadBinary(initializationCallback); catch (FFmpegNotSupportedException e) (...)
• 06:00
  FFMPEG Commands is not working on Android 10 - Zain Newest 'ffmpeg' Questions - Stack Overflow
  I am working on an android app applying video effects like slow and fast motions. My app is working fine below android 10, but not on android 10 and FFMPEG is not showing any error just blank error message on the onFailure callback method. I did some research and find out that android has introduced scoped permissions and you can temporarily bypass this by adding this line on manifest android:requestLegacyExternalStorage="true" and you get the storage permission. After adding this line rest portation of app is just working fine fetching user videos and etc but FFMPEG is not working. If (...)
• 04:53
  FFMPEG RTMP with Instagram Template [closed] - Welton Crawller Newest 'ffmpeg' Questions - Stack Overflow
  Im working to reproduce Instagram template format with a background image and a video 16:9 over. I cannot find any similar solution. I know FFMPEG audio and standard RTMP streaming. Any Solution to get a RTMP working like this?
• 01:52
  Is there a faster way to grab frames by skipping frames? - Nick Newest 'ffmpeg' Questions - Stack Overflow
  Im looping through av_read_frame and avcodec_decode_video2 to read pixel data from an mp4 video. int i = 0; while (av_read_frame(pFormatCtx, &pkt)>=0) AVPacket orig_pkt = pkt; do int ret = 0; int decoded = pkt.size; got if (i%7==0) // Only process 1/7th of frames ret = avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &pkt); if (got_frame) // get pixel data else printf("Error: could not get frame %d", i ); ret = decoded; pkt.data += ret; pkt.size -= ret; while (pkt.size > 0); av_free_packet(&orig_pkt); It's a 35FPS video, but I only need to read about (...)

17 January

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 20:01
  avfilter/vf_v360: add spline16 interpolation - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add spline16 interpolation [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c

Revisions : SPIP http://core.spip.org/projects/spip/activity

• 11:49
  Anomalie #4423 (Fermé): plantage de la fonction upgrade_logo_objet() lors de la mise à jour d'un ... - cy_altern - Revisions : SPIP
  réglé par https://git.spip.net/SPIP/spip/commit/1f5764b35dce1ce520c942488d78cee6bb34432d
• 11:29
  Révision 24477: Merge de la correction de l'appel de editer_logo.php pour éviter la surcharge par... - giteaⓐfake.local Revisions : SPIP

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 22:25
  Issue restreaming with ffmpeg if source/destination drops - omega1 Newest 'ffmpeg' Questions - Stack Overflow
  I am using the following command to restream a video stream to another server, but if the source/destination momentarily drops, ffmpeg gives up. ffmpeg \\ -i http://source_stream_ip:port \\ -reconnect_at_eof 1 \\ -reconnect_streamed 1 \\ -y \\ -shortest \\ -c: libx264 \\ -crf:v 22 \\ -preset:v fast \\ -pix_fmt yuv420p \\ -x264opts keyint=10:no-scenecut=1 \\ -maxrate:v 256k \\ -bufsize:v 512k \\ -c:a aac \\ -ac 2 \\ -b:a 96k \\ -maxrate:a 96k \\ -bufsize:a 192k \\ -f flv \\ rtmp://destination_stream_ip:port I've tried this as a batch command, but it also eventually gives up. #!/bin/bash while : do ffmpeg \\ (...)
• 21:46
  FFMPEG - Adding a full-frame image to the beginning of a video - lyinawake Newest 'ffmpeg' Questions - Stack Overflow
  I have tried many different ways to try to create a 10 second video file out of an image file and have used all the same switches and codecs as I used to encode my video file. However, when I concat the two using anything but complex_filter (which forces the video through another round of transcoding), the resulting video file is corrupt. I believe this is due to the inherent differences of the 10 second clip that ffmpeg created from the image, but there must be some way to get it to encode the exact same way as my video file. Here is the command I am using to turn the image into a 10s (...)
• 20:35
  FFMPEG & Node.js Spawn outputs nothing - Sterling Butters Newest 'ffmpeg' Questions - Stack Overflow
  I have the following Node.js code: var ffmpeg = spawn('ffmpeg', ["-f","v4l2", "-framerate","30", "-video_size","1920x1080", "-i","/dev/video0", "-f","mpegts", "-codec:v","mpeg1video", "-s","1920x1080", "-b:v","3000k", "qscale:v","20", "-bf","0", "http://localhost:8081/DEFAULT", "pipe:1"]); ffmpeg.stdout.on('data', function(chunk) var textChunk = chunk.toString('utf8'); console.log(textChunk); ); Which outputs nothing on execution nor is any FFMPEG process generated as far as I can tell. Is there anything obvious that I am missing? Thanks in (...)
• 19:08
  from_file function of pydub's audiosegment is only reading about 5 seconds of audio every time - Johan Dingler Newest 'ffmpeg' Questions - Stack Overflow
  I'm calling from_file on a .webm audio file in order to convert it to .mp3. The mp3 is successfully generated, however it's always a bit short of 5 seconds long (between 4600-4800 ms everytime). I have no idea what is going on. After reading the original .webm into the audiosegment, I print it's length and it's 4600-4800. This is my code: pydub.AudioSegment.converter = '/opt/bin/ffmpeg' audioSegment = pydub.AudioSegment.from_file('/tmp/audioFile.'.format(event['audioFormat']), format=event['audioFormat'], codec=event['codec']) print('length of audio ', len(audioSegment)) (...)
• 14:49
  Error initializing complex filters. Invalid argument error when running ffmpeg from Kotlin - int_32 Newest 'ffmpeg' Questions - Stack Overflow
  I'm creating a wrapper for ffmpeg, and it has the following methods: fun executeCommand(args: Array): AppRunner.AppResult return appRunner.run(ffmpegPath, args) class AppRunner fun run( app: String, args: Array, timeoutAmount: Long = 60000, timeoutUnit: TimeUnit = TimeUnit.SECONDS ): AppResult val command = mutableListOf(app) command.addAll(args) val processResult = ProcessBuilder(command) .redirectOutput(ProcessBuilder.Redirect.PIPE) .redirectError(ProcessBuilder.Redirect.PIPE) .start() .apply waitFor(timeoutAmount, timeoutUnit) val exitCode = processResult.exitValue() val stdOut = (...)
• 14:44
  error libavformat Timestamps are unset in a packet for stream 0 - Orest Newest 'ffmpeg' Questions - Stack Overflow
  I use libavformat. I have error: Timestamps are unset in a packet for stream 0. I try this if ((i_pkt->pts == 0 || i_pkt->pts == AV_NOPTS_VALUE) && i_pkt->dts == AV_NOPTS_VALUE) i_pkt->dts = i_pkt->pts = av_rescale_q(av_gettime(), AVRational1, AV_TIME_BASE, out_stream->time_base); but received this error non monotonically increasing dts

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 11:09
  avfilter/f_metadata: correct check for existing metadata - Gyan Doshi git.videolan.org Git - ffmpeg.git/rss log
  avfilter/f_metadata: correct check for existing metadata When adding metadata, existing dictionary need not be present. [DH] libavfilter/f_metadata.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 11:38
  How to retain DVB subs in output file after encoding? - emb-pro Newest 'ffmpeg' Questions - Stack Overflow
  I have an input file which is basically a .ts file, it contains the 4 dvb subtitle streams inside of it(embedded inside). I am using the following command to retain the dvb subtitles in my output video. ffmpeg -i Input.ts -c:a copy -c:v copy -c:s dvbsub output.ts The output video doesn't have the dvb subs inside it. I used the following command again to retain dvb subs. ffmpeg -i Input.ts -c:a copy -c:v copy -c:s copy output.ts ffmpeg -i Input.ts -c copy output.ts ffmpeg -i input.ts -map 0 -c copy output.ts ffmpeg -i Input.ts -map 0 output.ts None of the above commands are working for (...)
• 11:37
  Pipe ffmpeg output as mjpeg on multicast port? - xor31four Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to open a h.264 encoded stream from an IP camera, re-encode and stream it to a multicast address on my local subnet. Found a post that seems to describe what I'd like to achieve but I am running into several issues. I am using this command: ffmpeg -re -i rtsp://192.168.0.11/stream1.sdp mpegts udp://239.168.0.1:11000 and I am receiving this output: [h264 ⓐ 000001531da0ad40] SPS unavailable in decode_picture_timing [h264 ⓐ 000001531da0ad40] non-existing PPS 0 referenced [h264 ⓐ 000001531da0ad40] SPS unavailable in decode_picture_timing [h264 ⓐ 000001531da0ad40] non-existing (...)
• 10:26
  Keep FFMPEG processing if input fails - Javier Urrestarazu Newest 'ffmpeg' Questions - Stack Overflow
  I'm trying to save a stream to a video file. If the input stream goes down, FFMPEG automatically stops encoding, but I want to somehow still display those seconds in which the input is down (as a black frame or freezing the last frame). What I have tried: ffmpeg -i udp://x.x.x.x:y -c:v copy output.mp4 I wonder if it is possible to keep writing the mp4 file even if the input goes down.
• 09:57
  error: member access into incomplete type 'AVFormatInternal' - Orest Newest 'ffmpeg' Questions - Stack Overflow
  I hav eroor in ffmeg lib error: member access into incomplete type 'AVFormatInternal' I try to do this AVFormatContext *s; s->internal->raw_packet_buffer; In libav examples it works. What i doing wrong?

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 10:46
  avfilter/vf_v360: add cylindrical output projection - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add cylindrical output projection [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 07:46
  FFMPEG: How to chose a stream from all stream - Ali Newest 'ffmpeg' Questions - Stack Overflow
  I try to convert a UDP stream (that genrated from DVB signal) to HLS m3u8 file with this code: ffmpeg -i udp://239.1.2.1:60001 -acodec aac -strict -2 -vcodec libx264 -hls_wrap 100 -f hls /var/www/html/ts/1.m3u8 UDP stream contain 1 channel (in this case IRIB-TV1). When I run this above code, ffmpeg detect all of service and channel that streamed from DVB card with this message: Input #0, mpegts, from 'udp://239.1.2.1:60001': Duration: N/A, start: 77906.812644, bitrate: N/A Program 101 Metadata: service_name : IRIB-TV1 service_provider: IRIB Stream #0:0[0x3f2]: Video: h264 (Main) (...)
• 06:31
  How do I get strftime working? Nothing has been working so far - ENunn Newest 'ffmpeg' Questions - Stack Overflow
  Trying to add a timestamp for ffmpeg for capture card recoridngs but its not working at all. ffmpeg -f dshow -rtbufsize 100M -i video="Game Capture HD60 S (Video) (#01)":audio="Game Capture HD60 S (Audio) (#01)" -c:v mpeg2video -q:v 0 -r 29.97 -c:a aac -b:a 192k -threads 12 -flags +ilme+ildct -top 1 -strftime 1 "file-%Y%m%d-%%04d.ts" The output file is basically just "file-%Y%m%d-%%04d.ts", no dates or times. Any help?
• 03:18
  How do you encode raw pcm_f32le audio to AAC encoded audio with FFmpeg (C/C++)? - Suhail Doshi Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to encode raw audio (pcm_f32le) to AAC encoded audio. One thing I've noticed is that I can accomplish this via the CLI tool: ffmpeg -f f32le -ar 48000 -ac 2 -c:a pcm_f32le -i out.raw out.m4a -y This plays just fine and decodes fine. The steps I've taken: When I am using the C example code: https://ffmpeg.org/doxygen/3.4/encode_audio_8c-example.html and switch the encoder to codec = avcodec_find_encoder(AV_CODEC_ID_AAC); Output the various sample formats associated with AAC, it only provides FLTP. That assumes a planar/interleaved format. This page seems to provide the (...) -- https://ffmpeg.org/doxygen/3.4/encode_audio_8c-example.html, page, libsoundio
• 02:27
  Best Settings for H264_Nvenc To Minimize Latency? (FFMPEG) - M. Ying Newest 'ffmpeg' Questions - Stack Overflow
  I'm currently using Libavcodec to encode video frames using H.264. Because I'm streaming this video frames after they're encoded, minimizing latency is crucial to me. My current settings are: avcodec_register_all(); codec = avcodec_find_encoder(AV_CODEC_ID_H264); // allocate and set ffmpeg context context = avcodec_alloc_context3(encoder->codec); context->bit_rate = bitrate; context->width = out_width; context->height = out_height; context->time_base.num = 1; context->time_base.den = 30; context->gop_size = 1; // send SPS/PPS headers every packet context->max_b_frames = 0; (...)

16 January

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 11:18
  avformat/libsrt: fix enabling nonblocking mode - Anthony Delannoy git.videolan.org Git - ffmpeg.git/rss log
  avformat/libsrt: fix enabling nonblocking mode As written in https://github.com/Haivision/srt/blob/v1.4.1/docs/API.md, the nonblock mode is activated if SRTO_SNDSYN and SRTO_RCVSYN, for sending and receiving respectively, are set to 0. Signed-off-by: Marton Balint <cusⓐpasswd.hu> [DH] libavformat/libsrt.c
• 05:49
  avformat/flvenc: Avoid unnecessary seek - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avformat/flvenc: Avoid unnecessary seek When shifting the already written data in order to write the keyframe index, the flv muxer would first store the pre-shift size, then calculate how big the index will be eventually, then perform some seeks to update some size fields, then seek back to the end of the file to get the new position, followed by a seek to the position where writing will really start. Seeking back to the (already known) end position (that is actually used to perform this seek) to get the end position is of course unnecessary. It has been removed. Signed-off-by: Andreas (...)
• 05:49
  avformat/movenc, segafilmenc: Remove unnecessary avio_tell() - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avformat/movenc, segafilmenc: Remove unnecessary avio_tell() When the faststart option for the mov/mp4 muxer is used, the current position (i.e. the size of the already written data pre-shifting) was evaluated twice: First in an initialization and then again later, overwriting the first value without having ever touched it. So remove the initialization. Also, the clone of this code in the Sega FILM muxer behaves the same and has been treated the same. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> (...)
• 20:25
  Revert "avformat/utils: make ff_ntp_time() accept a timestamp as input argument" - James Almer git.videolan.org Git - ffmpeg.git/rss log
  Revert "avformat/utils: make ff_ntp_time() accept a timestamp as input argument" Signed-off-by: James Almer <jamrialⓐgmail.com> [DH] libavformat/internal.h [DH] libavformat/movenc.c [DH] libavformat/rtpenc.c [DH] libavformat/rtpenc.h [DH] libavformat/utils.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 21:36
  How to convert a script from youtube-dl - danilshik Newest 'ffmpeg' Questions - Stack Overflow
  There is a bash/batch file script: ffmpeg -i `youtube-dl https://www.twitch.tv/zero` -vf fps=fps=60, scale=1920x1080 -c:v libx264 -b:v 500k -preset superfast -c:a copy -f segment -segment_time 60 test.mp4 The script is not mine, but it allows you to record video with a constant frame rate of parts. Unfortunately in cmd it does not work for me. Already tried everything, I do not know what the error is. I am getting No such file or directory. Tried 'youtube-dl https://www.twitch.tv/zero', the same error I tried "youtube-dl https://www.twitch.tv/zero", error: youtube-dl (...) -- , ,

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 20:06
  avfilter/vf_v360: add pannini output projection - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add pannini output projection [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 19:25
  FFmpeg INPUT over HTTPS with peer certificate verification - Pistacio Newest 'ffmpeg' Questions - Stack Overflow
  Is there a way to verify the INPUT certificate in case of a HTTPS schema with FFmpeg? The tls options in FFmpeg use parameters such as tls_verify or listen appended to the OUTPUT URL but I need INPUT HTTPS verification. I'd need a way to verify the SSL/TLS server like libcurl or mysql do. ffmpeg -i tls://INPUT?cert_file=PATH_TO_CERT&tls_verify=1 returns Invalid data found when processing input Right now I verify the peer with curl/wget and I pipe the output to FFmpeg like this: curl -sv --cacert PATH_TO_CERT https://INPUT | ffmpeg -i pipe: but it's not an elegant solution. Could (...)
• 18:53
  Get a still frame during webcam video capture on Linux - Arthur Hebert Newest 'ffmpeg' Questions - Stack Overflow
  I want to capture video from a webcam (saving to file), while occasionally getting the most recent still frame (from python code). Is there a way to do this on Linux? What I've Tried: # Capture Video: ffmpeg -f v4l2 -framerate 30 -video_size 1024x576 -i /dev/video0 myvideo.mp4 ... # In another terminal, try to capture the latest still frame: ffmpeg -sseof -3 -i myvideo.mp4 -update 1 -q:v 1 current_frame.jpg But, I get varied responses from this last command, such as Cannot use -sseof, duration of myvideo.mp4 not known and [matroska,webm ⓐ 0x55e1aae26900] Duplicate element Last message (...)
• 18:05
  Have ffmpeg generate MJPEG/AVI1 frames instead of JFIF - rsheldiii Newest 'ffmpeg' Questions - Stack Overflow
  I have a device that plays videos, but requires the video frames to be mjpeg/avi1 (header FF D8 FF E0 00 10 41 56 49 31). when I run ffmpeg -i target.mp4 -c:v mjpeg -max_muxing_queue_size 999 -an mjpeg.avi however, I get jpeg/jfif frames (header FF D8 FF E0 00 10 4A 46 49 46) is there any way to force ffmpeg to create mjpeg/avi1 frames instead?
• 17:44
  FFMPEG performance when reading directly from s3 vs local - user1147070 Newest 'ffmpeg' Questions - Stack Overflow
  I have a usecase where I need to transcode a s3 file. I have two options Option a : Download the file to local, then run ffmpeg on it Option b : Provide a presigned URL as ffmpeg input eg - "./ffmpeg -loglevel debug -y -i "https://mybucket/key?signedParams" -threads 0 -map_chapters -1 -f mp4 -movflags faststart -map 0:0 -acodec libfdk_aac -ac 2 -ar 44100 -b:a 48k -sn -vn /output.mp4" I tried running both and comparing the time but I don't see any much performance improvement in #b as compared to #a. I have 2 questions Is #b is better in performance than #a? Or both of them are same? (...) -- https://mybucket/key?signedParams

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 18:12
  avfilter/vf_v360: add fisheye output projection - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/vf_v360: add fisheye output projection [DH] doc/filters.texi [DH] libavfilter/v360.h [DH] libavfilter/vf_v360.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 16:17
  ffmpeg conversion .dav to any video files - Marcello Galvão Newest 'ffmpeg' Questions - Stack Overflow
  I am trying for days to convert .dav file (file generated by dvrs [image recorders]). I have tried several variations with ffmpeg and can not succeed. Command and console output: $ ffmpeg -i input.dav -codec:v libx264 -crf 23 -preset medium -codec:a libfdk_aac -vbr 4 -movflags faststart -vf scale=-1:720,format=yuv420p output.mp4 ffmpeg version 2.8 Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04) configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 (...)
• 12:23
  Create images from a video file using FFMPEG without skipping first frames [duplicate] - Stephen Ellis Newest 'ffmpeg' Questions - Stack Overflow
  I'm using FFMPEG to create stills from video files. I am using the following command to extract a frame every four seconds (though the rate of image extraction is arbitrary and will be user selectable): ffmpeg -i "source-video.mp4" -vf fps=0.25 "thumb%04d.jpg" The source video is 25fps. The issue I have is that the first frame extracted (thumb0001.jpg) is 00:00:01:24 (1 second 24 frames) into the source video, and not the first frame of the video as I expect. Subsequent frames are then, correctly, 4 seconds apart (thumb0002.jpg is at 00:00:05:24; (thumb0003.jpg is at 00:00:09:24). How (...)
• 11:45
  FFmpeg: replacing audio in live video stream - Mathijs Newest 'ffmpeg' Questions - Stack Overflow
  I'm using FFmpeg to encode and live-stream video captured through a DeckLink capture card. The video from the card comes with an audio stream, but I want to replace the audio stream with another. This other audio stream originates from the same source but is ran through an audio processor that adds a fixed delay. The audio is fed back in the pc that runs FFmpeg through a virtual soundcard (audio over IP, but to Windows it looks like a sound card). I know how to compensate for this fixed delay, but the issue is that audio and video drift slowly out of sync as the stream runs. I'm assuming (...)
• 10:28
  Using fluent-ffmpeg, how to delete input files with C printf syntax? - sjHan Newest 'ffmpeg' Questions - Stack Overflow
  For example, const ffmpeg = require('fluent-ffmpeg') ffmpeg() .addInput('/Users/Documents/folder/%04d.jpg') ... .output('result.mp4') .on('end', () => // I am trying to delete input files here. ) Because input is added with C printf syntax, I couldn't find some good way to delete the exact input files. Thanks for comments in advance.
• 10:10
  use java-ffmpeg wrapper, or simply use java runtime to execute ffmpeg? - Beier Newest 'ffmpeg' Questions - Stack Overflow
  I'm pretty new to Java, need to write a program that listen to video conversion instructions and convert the video once an new instruction arrives (instructions is stored in Amazon SQS, but it's irrelevant to my question) I'm facing a choice, either use Java RunTime to exec 'ffmpeg' conversion (like from command line), or I can use a ffmpeg wrapper written inJava http://fmj-sf.net/ffmpeg-java/getting_started.php I'd much prefer using Java Runtime to exec ffmpeg directly, and avoid using java-ffmpeg wrapper as I have to learn the library. so my question is are there any benefits using (...) -- http://fmj-sf.net/ffmpeg-java/getting_started.php
• 07:05
  How to change the settings of AVCodecContext after initialization (FFMPEG) - M. Ying Newest 'ffmpeg' Questions - Stack Overflow
  I have a question about Libavcodec that I can't find the answer to online. I'm trying to use H.264 to encode frames. The issue I'm having is that the frames I wish to encode have variable widths and heights. I understand that to encode frames in Libavcodec, you need to pass a "width" and "height" parameter to the AvCodecContext struct, and then initialize it as such: AVCodec *codec = codec = avcodec_find_encoder(AV_CODEC_ID_H264); AVCodecContext *context = avcodec_alloc_context3(encoder->codec); context->width = 1920; //OTHER SETTINGS HERE //FINALLY... avcodec_open2(context, codec, NULL); (...)
• 05:55
  FFmpeg file not found exception, No such file or directory - Sagar Newest 'ffmpeg' Questions - Stack Overflow
  I am getting the No such file or directory exception on video trimming. video path : /storage/emulated/0/Pictures/Instagram/Fast & Furious 7 - Get Low Extended Version Video.mp4 file name : Fast & Furious 7 - Get Low Extended Version Video.mp4 and ffmpeg searching for only Fast in/storage/emulated/0/Pictures/Instagram/Fast: No such file or directory I have found the issue, it is causing due to the file name having spaces in between them you can check in the above mentioned path and in exception. after changing the file name its working but the changing name of every file from (...)
• 05:32
  ffmpeg: convert subtitles from "hdmv_pgs_subtitle" to "mov_text" (needed in MP4) - rgr Newest 'ffmpeg' Questions - Stack Overflow
  Is there any way to convert subtitles from "hdmv_pgs_subtitle" to "mov_text" (needed in MP4). I try: ffmpeg.exe i "%%F" c copy -scodec mov_text "test.mp4" but I get: Error while opening encoder for output stream #0:2 - maybe incorrect parameters such as bit_rate, rate, width or height Stream properties: Duration: 00:01:48.14, start: 4199.920000, bitrate: 12394 kb/s Program 1 Stream #0:0[0x1011], 169, 1/90000: Video: h264 (High), 1 reference frame (HDMV / 0x564D4448), yuv420p(top first, left), 1920x1080 (1920x1088) [SAR 1:1 DAR 16:9], 0/1, 25 fps, 25 tbr, 90k tbn, 50 tbc Stream (...)
• 04:38
  Screen reocrd with avformat_open_input x11grab return -5 - Truong Hoang Newest 'ffmpeg' Questions - Stack Overflow
  I am working with libavformat and use x11grab to record screen on Ubuntu and also windown. I stuck with method of libavformat is avformat_open_input always return -5 although pFormatCtx and iformat not null This is may code //Show Dshow Device void ScreenRecorder::Show_dshow_device() av_register_all(); avformat_network_init(); avdevice_register_all(); AVFormatContext *pFormatCtx = avformat_alloc_context(); AVDictionary *options = NULL; AVInputFormat *iformat = av_find_input_format("x11grab"); printf("========Device Info=============\\n"); int temp = avformat_open_input(&pFormatCtx, (...) -- My Code
• 00:26
  FFmpeg With PHP Fails To Execute - Loadedbaze Media Newest 'ffmpeg' Questions - Stack Overflow
  please i really help with this, ffmeg fails to execute in php $sname = $default_mp3_directory . $timeFolder . $storeName; $voiceSource = getcwd() . '/voice.mp3'; $cmd = 'ffmpeg -i ' . $mp3_filz . ' -i ' . $voiceSource . ' -filter_complex "[0]volume=1[main];[1]adelay=20000,volume=5[voice];[main][voice]amix=duration=longest:dropout_transition=0"'; exec($cmd, $output);

15 January

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 16:39
  avfilter/pad: improve error check for w and h - Gyan Doshi git.videolan.org Git - ffmpeg.git/rss log
  avfilter/pad: improve error check for w and h Target dimensions have to cover entire input. [DH] libavfilter/vf_pad.c

Piwik http://piwik.org/

• 01:26
  Your introduction to personally identifiable information: What is PII? - Joselyn Khor Piwik
  When it comes to personally identifiable information (PII), people are becoming more concerned about data privacy. Identifiable information can be used for illegal purposes like identity theft and fraud. So how can you protect yourself as an innocent internet browser? In the case of website owners – how do you protect users and your company from falling prey to privacy breaches? As one of the most trusted analytics companies, we feel our readers would benefit from being as informed as possible about data privacy issues and PII. Learn what it means, and what you can do to keep yours or (...) -- Analytics Tips, Privacy, Security

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 11:55
  avformat/s337m: Use base AVClass for av_log usage - Nicolas Gaullier git.videolan.org Git - ffmpeg.git/rss log
  avformat/s337m: Use base AVClass for av_log usage s337m_get_offset_and_codec does not make use of AVFormatContext: AVClass is enough for logging. Will facilitate further use from outside Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavformat/s337m.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 18:15
  How to play video from stream directly? [closed] - Ahmad45123 Newest 'ffmpeg' Questions - Stack Overflow
  I've got a NetworkStream/MemoryStream that contains video stream data (H.264) and I'd like to decode it into actual playing video. Is there any libraries or maybe wrappers on ffmpeg that i can use instead of recreating the wheel ? Note that I can't simply export the buffer data into a file since it's live content delivered via sockets. Thanks in advanced.

Piwik http://piwik.org/

• 01:26
  What is PII? Your introduction to personally identifiable information - Joselyn Khor Piwik
  Most websites you visit collect information about you via tools like Google Analytics and Matomo – sometimes collecting personally identifiable information (PII). When it comes to PII, people are becoming more concerned about data privacy. Identifiable information can be used for illegal purposes like identity theft and fraud. So how can you protect yourself as an innocent internet browser? In the case of website owners – how do you protect users and your company from falling prey to privacy breaches? As one of the most trusted analytics companies, we feel our readers would benefit from (...) -- Analytics Tips, Privacy, Security

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 23:11
  Combine multiple video and single audio stream into a single output - Prashant Saraswat Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to record an online meeting. During the meeting I will receive continuous audio and intermittent video A. Audio B. Video1 C. Video 2 The Audio stream will span the length of the call. The video1 and video2 streams will be somewhere in the middle. Assuming I know the timestamps for all of these streams, how do I combine them in one video? Consider the scenario where the audio stream starts at Tbegin and ends at Tend. The video1 stream starts at T1 and ends at T2. The video2 stream starts at T3 and ends at T4. We can assume that the audio stream is of type mp3 and the other (...)
• 22:49
  What's the best way to get video metadata from a video file in ASP.Net MVC using C#? - Maddhacker24 Newest 'ffmpeg' Questions - Stack Overflow
  I've been searching on Google and StackOverflow for a good couple of hours. There seems to be a lot of similar questions on StackOverflow but they are all about 3-5 years old. Is using FFMPEG still the best way these days to pull metadata from a video file in a .NET web application? And if so, what's the best C# wrapper out there? I've tried MediaToolkit, MediaFile.dll without any luck. I saw ffmpeg-csharpe but that looks like it hasn't been touched in a few years. I haven't found any current data on this subject. Is the ability to pull metadata from a video built into the latest (...)
• 21:51
  How can I fix this ffmpeg memory error on linux? - John Newest 'ffmpeg' Questions - Stack Overflow
  I installed ffmpeg on my server and I am trying to create a simple slide show of two images named sample1.jpg and sample2.jpg. This is the command I'm using: ffmpeg -framerate 0.1 -i sample%d.jpg -c:v libx264 -r 30 -pix_fmt yuv420p out2.avi It fails with the message: > [swscaler ⓐ 0x1ea0f40] deprecated pixel format used, make sure you did > set range correctly [libx264 ⓐ 0x1ecad80] using SAR=1/1 [libx264 ⓐ > 0x1ecad80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX x264 > [error]: malloc of size 3771712 failed Output #0, avi, to 'out2.avi': > Stream #0:0: Video: h264, none, (...)
• 19:52
  Problems installing ffmpeg on Mac OS X 10.11.6 El Capitan - Maral Newest 'ffmpeg' Questions - Stack Overflow
  I'm having problems installing ffmpeg on macos x 10.11. I tried installing it using homebrew and also tried to clone from clone it always ends up failing building. I don't find the cause but is it because of my operating system being old? homebrew install fail screenshot I tried donwloading a build dmg and it looks like it's installed but still says "-bash: ffmpeg: command not found" terminal screenshot Thank you so much in advance! -- homebrew install fail screenshot, terminal screenshot
• 19:47
  Errno 2 No such file or directory: 'ffprobe': 'ffprobe' - A. Zanetti Newest 'ffmpeg' Questions - Stack Overflow
  I have to develop an Alexa Skill that use Pydub for edit mp3 file. Pydub requires ffmpeg and so I have add it in requirements.txt but now, when I try to run my skill, it give me "Sorry, I had trouble doing what you asked. Please try again.". In CloudWatch the error is: [Errno 2] No such file or directory: 'ffprobe': 'ffprobe' but in requirements.txt there is the ffprobe import. NB: In local the code runs successfully without any errors Screenshot: Error in (...) -- Error in CloudWatch
• 15:22
  Console windows displayed during python script execution [closed] - vivitare Newest 'ffmpeg' Questions - Stack Overflow
  i'm trying to create a Youtube converter with python and Tkinter. The problem is during the conversion with ffmpeg encoder, a console appear. But I don't want to display her. Windows console displayed during encoding with ffmpeg Is there a parameter or something like that to disable this console ? I'm using this code to launch dowlnoad and youtube-dl do the rest : ydl_opts = 'format': 'bestaudio/best', 'postprocessors': [ 'key': 'FFmpegExtractAudio', 'preferredcodec': 'mp3', 'preferredquality': '192', ], 'logger': MyLogger(), 'progress_hooks': [my_hook], with (...) -- Windows console displayed during encoding with ffmpeg
• 18:49
  VLC freezes for low 1 FPS video created from images with ffmpeg - user2861936 Newest 'ffmpeg' Questions - Stack Overflow
  I am creating a short video from a sequence of 100 images using ffmpeg. There are several articles that helped me put together a command, but the one I'm using is directly taken from ffmpeg images-to-video script anyone?. The following command produces a video file that plays well in all video players I have (OS X). cat input/*.jpg | ffmpeg -f image2pipe -r 10 -vcodec mjpeg -i - out.mp4 But if I change it to, cat input/*.jpg | ffmpeg -f image2pipe -r 1 -vcodec mjpeg -i - out.mp4 It plays well in all but VLC media player. VLC displays the initial 1 to 3 images, then just freezes on the (...)
• 18:34
  How to re-stream h.264 live stream to local mjpeg using ffmpeg? - xor31four Newest 'ffmpeg' Questions - Stack Overflow
  Using this ffmpeg command I am able to convert a pre-existing file from h.264 to mjpeg. ffmpeg -i input.mov -c:v mjpeg -q:v 3 -an output.mov My live stream URL in the form rtsp://XXX.XXX.XX.X/stream1.sdp Is it possible to locally re-stream this as an mjpeg url?
• 17:21
  In what order should statically linked libraries for libavdevice and x11 be linked? - Curtis Dransfield Newest 'ffmpeg' Questions - Stack Overflow
  Currently having a problem with statically linking my project. After adding avdevice as statically linked I received the following error. :-1: error: /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/libXext.a(XShm.o): undefined reference to symbol '_XGetBitsPerPixel' The following is a snippet of the libraries I've added statically. LIBS += -L"/usr/local/lib" \\ -L"/usr/local/lib64" \\ -lm -lz -llzma -lass -lfreetype -lmp3lame -ltheora -lvorbis -lvorbisenc -lva -lva-drm -lva-x11 -ldrm -logg -lvpx -lopenh264 -lavformat -lavcodec -lswscale -lavutil -lavfilter -lswresample (...)
• 14:38
  FFMPEG: Convert GIF to MP4 whilst keeping transparent (alpha-channel) background - Oliver Heward Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to compress/convert a GIF file to an MP4 through FFMPEG. All is well but I am trying to figure out a way to preserve the alpha channel rather than the transparency turning to white. The GIF is just a bunch of images that change but they vary in size with a psuedo'd image on the container, so maintaining the transparency is imperative. Understandably after a long google search, it does seem that MP4 does not support alpha channels. I am wondering if anyone would be able to provide a solution on how to create a workaround for this? The command I am currently running which (...)
• 13:49
  FFMPEG returns negative values and stops rendering - Mike Newest 'ffmpeg' Questions - Stack Overflow
  While trying to get a 16:9 aspect output from any resolution input, I keep running into errors. This is, what I prompt: ffmpeg -i "input.mp4" -i "overlay.png" -strict -2 -vcodec h264 -aspect 16:9 -filter_complex "[0]scale=604:-2,pad=604:340:(604-iw)/2:(340-ih)/2[v];[v][1]overlay=x=W-w-5:y=H-h-5" -an "output.mp4" Errors are: [0] => [Parsed_pad_1 ⓐ 0xeffca0] Negative values are not acceptable. [1] => [Parsed_pad_1 ⓐ 0xeffca0] Failed to configure input pad on Parsed_pad_1 [2] => Error configuring complex filters. [3] => Invalid argument I'm happy for any (...)
• 13:17
  ffmpeg video time not selectable in vlc and other players - Expressingx Newest 'ffmpeg' Questions - Stack Overflow
  We are using ffmpeg with C# (doxygen?) to record video from a camera. The problem is that the video start time, or frame timestamps or I don't know honestly what is wrong but results to not 'selectable' time in some players. WebPlayer and VLC, Windows Media Player is fine. The output of ffprobe -show_format -show_streams myMp4File.mp4 index=0 codec_name=h264 codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 profile=High codec_type=video codec_time_base=715183/42501120 codec_tag_string=avc1 codec_tag=0x31637661 width=1920 height=1080 coded_width=1920 coded_height=1080 (...) -- ,

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 13:12
  avcodec/wmalosslessdec: Use AV_STRINGIFY() - Michael Niedermayer git.videolan.org Git - ffmpeg.git/rss log
  avcodec/wmalosslessdec: Use AV_STRINGIFY() Suggested-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavcodec/wmalosslessdec.c
• 00:46
  avcodec/wmalosslessdec: Replace negative channel check by assert - Michael Niedermayer git.videolan.org Git - ffmpeg.git/rss log
  avcodec/wmalosslessdec: Replace negative channel check by assert It is already checked by common code in git/master Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavcodec/wmalosslessdec.c
• 00:32
  avcodec/wmalosslessdec: move channel check up - Michael Niedermayer git.videolan.org Git - ffmpeg.git/rss log
  avcodec/wmalosslessdec: move channel check up Fixes: out of array access Fixes: 2nd part of 18429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-6210814364614656 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavcodec/wmalosslessdec.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 13:08
  FFmpeg: Keep image quality during moving the video screen along image - ArmKh Newest 'ffmpeg' Questions - Stack Overflow
  I have a FFmpeg command which is moving the video screen along image. From the TOP LEFT position to BOTTOM RIGHT Here is the ffmpeg command ffmpeg -y -loop 1 -t 5 -i 1.jpg -loop 1 -t 5 -i 2.jpg -loop 1 -t 5 -i 3.jpg -i song.mp3 -filter_complex " [0:v]crop=1280:1280:((iw-ow)*t)/5:((ih-oh)*t)/5[v0]; [1:v]crop=1280:1280:((iw-ow)*t)/5:((ih-oh)*t)/5[v1]; [2:v]crop=1280:1280:((iw-ow)*t)/5:((ih-oh)*t)/5[v2]; [v0][v1][v2]concat=n=3:v=1:a=0,fps=25,format=yuv420p[v]" -map "[v]" -map 3:a -shortest top_left_to_bottom_right.mp4 I'm using images with 3000x3000 sizes and the video screen sizes are (...) -- ,
• 13:05
  RTP/UDP or RTSP for accessing stream and passing frame to OpenCV? - xor31four Newest 'ffmpeg' Questions - Stack Overflow
  Apologies for my inexperience in this domain..I am trying to implement an algorithm that detects the occurrence of a particular event in real-time. The particular event is a consecutive growth of motion across 5 consecutive frames.. almost analogous to a growing sphere or beach ball. I am able to detect the event on pre-recorded video that is in .avi format (mjpeg frames) with EmguCV (C# wrapper for OpenCV). The method I use is based on background subtraction.. outlined here https://www.pyimagesearch.com/2015/05/25/basic-motion-detection-and-tracking-with-python-and-opencv/ The problem (...) -- https://www.pyimagesearch.com/2015/05/25/basic-motion-detection-and-tracking-with-python-and-opencv/, , , https://www.raspberrypi.org/forums/viewtopic.php?t=83127
• 10:22
  FFMPEG curtain effect slideshow from images - Atta Newest 'ffmpeg' Questions - Stack Overflow
  I have bunch of images that i have to convert to slideshow with curtain effect. currently i am running this command that convert images to video. ffmpeg -r 1/5 -i img%d.png -c:v libx264 -vf "fps=25,format=yuv420p" video.mp4 But how to achieve this kind of effect with ffmpeg. Image link Required result I searched online but not found any solution. I have clue of alpha mask but no idea how to use it for such result. -- Required result

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 09:39
  avfilter/swaprect: correct assignment of VAR_POS - Gyan Doshi git.videolan.org Git - ffmpeg.git/rss log
  avfilter/swaprect: correct assignment of VAR_POS Revert regression introduced in 6af050d7d0 [DH] libavfilter/vf_swaprect.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 08:36
  How to convert video file to audio file by using FFMPEG? - Aamir Naseer Newest 'ffmpeg' Questions - Stack Overflow
  I'm making video to audio converter app but need help to convert video to audio using ffmpeg. I checked many answers and websites but their answers are not easy to understand and I'm confused with command that is used to convert. What is the proper command to convert video to audio and is I'm executing the command in right way? public class VideoConvertActivity extends AppCompatActivity private VideoView videoView; private Button convertButton; private String filePath; private FFmpeg ffmpeg; ⓐOverride protected void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState); (...)
• 08:01
  Dealing with problems in FLAC audio files with ffmpeg - Seamus Newest 'ffmpeg' Questions - Stack Overflow
  I have gotten a set of FLAC (audio) files from a friend. I copied them to my Sonos music library, and got set to enjoy a nice album. Unfortunately, Sonos would not play the files. As a result I have been getting to know ffmpeg. Sonos' complaint with the FLAC files was that it was "encoded at an unsupported sample rate". With rolling eyes and shaking head, I note that the free VLC media player happily plays these files, but the product I've paid for (Sonos) - does not. But I digress... ffprobe revealed that the FLAC files contain both an Audio channel and a Video channel: $ ffprobe (...) -- Sonos, ffmpeg, VLC media player
• 04:53
  How to add black borders to video - Arnaud Rochez Newest 'ffmpeg' Questions - Stack Overflow
  So I'm using ffmpeg to convert a video to 1920*1080 px, I found two ways to do so, the first one would be to stretch the video to 1920*1080, but then it looks kinda stretched. I used this command for this: ./ffmpeg_darwin -i SRC -vf scale=1920:1080,setdar=16:9 DEST The other option is the same without setdar but this just adapts the resolution to the one it started from (1728*1080). I would like to fill the 192 pixels of the width with a black border. Is there some kind of option to do so? Or is there maybe another command line that could achieve this? Thanks for your help (...)
• 04:52
  ffmpeg-python : mp3 + jpg = mp4 - Martin Newest 'ffmpeg' Questions - Stack Overflow
  I'm trying to make a python program using ffmpeg-python that will combine an audio file and image into a music video mp4 file. I've done this in a working ffmpeg bash command before, but now I'm trying to do it in a pure python3 program, I've ran some of the example ffmpeg python applications to ensure it works, but haven't found any examples related to my case. So far I have this: import ffmpeg print('test') audioInput = ffmpeg.input('fighter.mp3') imageInput = ffmpeg.input('front.jpg') ( ffmpeg .filter([audioInput, imageInput], 'overlay', 10, 10) .output('out.mp4') .run() ) But that (...) -- ffmpeg-python
• 03:40
  how to make cv2.videoCapture.read() faster? - Yu-Long Tsai Newest 'ffmpeg' Questions - Stack Overflow
  My question : I was working on my computer vision project. I use opencv(4.1.2) and python to implement it. I need a faster way to pass the reading frame into image processing on my Computer(Ubuntu 18.04 8 cores i7 3.00GHz Memory 32GB). the cv2.VideoCapture.read() read frame (frame size : 720x1280) will take about 120~140ms. which is too slow. my processing module take about 40ms per run. And we desire 25~30 FPS. here is my demo code so far: import cv2 from collections import deque from time import sleep, time import threading class camCapture: def __init__(self, camID, buffer_size): (...)
• 03:26
  Get a still frame during video capture on Linux - Arthur Hebert Newest 'ffmpeg' Questions - Stack Overflow
  I want to capture video from a webcam (saving to file), and occasionally get the most recent still frame on-demand (from python code), while continuing to capture. Is there a way to do this on Linux? To capture video, I am using the following command: ffmpeg -f v4l2 -framerate 30 -video_size 1024x576 -i /dev/video0 myvideo.mp4 Then in another terminal, I try to capture the latest still frame: ffmpeg -sseof -3 -i myvideo.mp4 -update 1 -q:v 1 current_frame.jpg I get varied responses from this last command, including Cannot use -sseof, duration of myvideo.mp4 not known and (...)

14 January

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 13:42
  i want to create a collage of short videos based on my girlfriend's mood(machine learning approach in ffmpeg) [closed] - Biswajit Nayak Newest 'ffmpeg' Questions - Stack Overflow
  Hi guys i am working on a video collage project from different short videos based on our journey so far, it will be simple as Mid-’90s DV Camcorder Look we have to use ffmpeg for scene extraction and which machine learning framework to detect mood as per the scene in the video, We also use some featureS of opencv. Please Help
• 23:42
  Trying to concatenate 11 seconds of black video onto the end of a 5 min video. Getting non-monotonous DTS in output stream error - TidusWulf Newest 'ffmpeg' Questions - Stack Overflow
  I have a video shot from my smartphone that is 3840x2160ⓐ57.74. Originally, it was exactly 5 minutes long. I replaced the audio with a music file that is 5 minutes and 11 seconds using ffmpeg -i video.mp4 -i audio.mp3 -c copy -map 0:v:0 -map 1:a:0 output.mp4 I expected 11 seconds of black at the end, but instead the video output freezes on the last frame for 11 seconds. There's definitely something funky going on because when I try to upload to youtube, it only sees the first 5 minutes. The last 10 seconds of audio get dropped. I tried making a second black clip with ffmpeg -f lavfi -i (...)
• 23:21
  FFMPEG output as AudioInputStream - Pit Digger Newest 'ffmpeg' Questions - Stack Overflow
  Is there anyway to get FFMPEG output as AudioInputStream ? I need data from ffmpeg output and do some additional process on it.

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 04:13
  avformat/segafilmenc: Check early whether video is allowed - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avformat/segafilmenc: Check early whether video is allowed The current code only checks when writing the trailer whether the video format and Codec ID are actually compatible with the container. At this point, a lot of data will already have been written (in vain, of course), so check during the init function instead. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] (...)
• 04:13
  avformat/segafilmenc: Postpone check for existence of video stream - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avformat/segafilmenc: Postpone check for existence of video stream Up until now, the Sega FILM muxer complained if the first stream wasn't a video stream that there is no video stream at all which is of course nonsense. So postpone this check. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavformat/segafilmenc.c
• 04:13
  avformat/segafilmenc: Fix undefined left shift of 1 by 31 places - Andreas Rheinhardt git.videolan.org Git - ffmpeg.git/rss log
  avformat/segafilmenc: Fix undefined left shift of 1 by 31 places by changing the type to unsigned. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardtⓐgmail.com> Signed-off-by: Michael Niedermayer <michaelⓐniedermayer.cc> [DH] libavformat/segafilmenc.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 21:45
  how to use ffmpeg with vidstab and filter_complex - Smino_ Newest 'ffmpeg' Questions - Stack Overflow
  I am currently trying to make the best of some bad quality smartphone recordings. Since these are round about 30 video files that are very similar in audio and video, I figured I could use ffmpeg for this batch work. I experimented with vidstab and found very pleasant results with using it in two pass mode: (as also found in ffmpeg: combining/ordering vidstab and crop filters) ffmpeg -i input.mp4 -vf vidstabdetect=stepsize=32:shakiness=10:accuracy=10:result=result.trf -f null - and after that went with ffmpeg -i input.mp4 -vf vidstabtransform=smoothing=7:input=result.trf newfile.mp4 (...)

Newest 'x264' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/x264

• 20:37
  Fix x264 dependency Error when Pacman Update [closed] - NIMA SEDAGHAT Newest 'x264' Questions - Stack Overflow
  when i want to remove x264 my manjaro i get some errors : sudo pacman -R x264 [sudo] password for nima: checking dependencies... error: failed to prepare transaction (could not satisfy dependencies) :: removing x264 breaks dependency 'libx264.so=157-64' required by ffmpeg :: removing x264 breaks dependency 'libx264.so=157-64' required by ffmpeg2.8 :: removing x264 breaks dependency 'x264' required by gst-plugins-ugly and when i update: sudo pacman -Syu :: Synchronizing package databases... extra-alucryd is up to date core is up to date extra is up to date community is up to date multilib (...)

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 20:40
  FFMPEG + h264_nvenc + -force_key_frames - Taity Newest 'ffmpeg' Questions - Stack Overflow
  FFmpeg omit option -force_key_frames "expr:gte(t,n_forced*5)" when use codec h264_nvenc. Why ? Is a bug? fmpeg -v verbose -hwaccel auto -i granito.mp4 \\ -vf "hwupload_cuda,scale_npp=w=-2:h=720:format=yuv420p:interp_algo=lanczos,hwdownload,format=yuv420p" \\ -vcodec h264_nvenc -zerolatency 1 -gpu 0 -profile:v main -level 4.2 \\ -preset llhq -bf:v 2 -rc vbr_hq -maxrate 500k -bufsize 1m -acodec aac -ar 22050 \\ -b:a 64k -hls_time 2 -hls_list_size 0 \\ -force_key_frames "expr:gte(t,n_forced*5)" -sc_threshold 0 -f hls (...)
• 20:25
  Command line ffmpeg, to insert part of a mp3 audio to another file - tgkprog Newest 'ffmpeg' Questions - Stack Overflow
  Want to copy from 3rd second of b.mp3 till 2:05 seconds of b.mp3 and append to the end of a.mp3 (its 3:23 long). Command: ffmpeg -i a.mp3 -i b.mp3 Output: ffmpeg version 4.0.4-0ubuntu1 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 8 (Ubuntu 8.2.0-7ubuntu1) configuration: --prefix=/usr --extra-version=0ubuntu1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom (...)
• 19:16
  Merge 2 Files (audio and Video), with BITC and watermark in FFMPEG - user11885505 Newest 'ffmpeg' Questions - Stack Overflow
  I need to write ffmpeg profile to merge to merge video and audio files, and swap audio in video file from audio file, add BITC , and implement watermark from network location. Can do it separately, but as I`m not FFMPEG expert, hard for me to combine all of above together. Any advise would be appreciate. Best regards all

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 16:46
  avfilter/avf_showspectrum: check if frame clone is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/avf_showspectrum: check if frame clone is set [DH] libavfilter/avf_showspectrum.c
• 16:43
  avfilter/f_ebur128: check if frame clone is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/f_ebur128: check if frame clone is set [DH] libavfilter/f_ebur128.c
• 16:41
  avfilter/avf_aphasemeter: check if clone frame is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/avf_aphasemeter: check if clone frame is set [DH] libavfilter/avf_aphasemeter.c
• 16:38
  avfilter/avf_ahistogram: check if frame clone is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/avf_ahistogram: check if frame clone is set [DH] libavfilter/avf_ahistogram.c
• 16:24
  avfilter/asr_anullsrc: remove pointless frame cloning - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/asr_anullsrc: remove pointless frame cloning [DH] libavfilter/asrc_anullsrc.c
• 16:14
  avfilter/af_anequalizer: check if frame clone is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/af_anequalizer: check if frame clone is set [DH] libavfilter/af_anequalizer.c
• 16:11
  avfilter/af_aiir: check if frame clone is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/af_aiir: check if frame clone is set [DH] libavfilter/af_aiir.c
• 16:07
  avfilter/af_afir: check if frame clone is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/af_afir: check if frame clone is set [DH] libavfilter/af_afir.c
• 14:22
  avfilter/avf_avectorscope: check if clone frame is set - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/avf_avectorscope: check if clone frame is set [DH] libavfilter/avf_avectorscope.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 13:18
  Enable Subtitle on FFmpeg Stream - A Person Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to enable subtitle on my streams. The problem is that I do not have a subtitle track. The original IP stream that is coming has subtitles and I need to know how to enable it. I have looked at Set a subtitle language using ffmpeg and also read that I need to assign some sort of PID to the FFmpeg tag to enable it. However, I have been googling this and cannot seem to dins it. My code is: /c ffmpeg -hwaccel cuvid -y -i udp -vf "drawtext=fontfile=font: fontsize=25:text='ChannelName %localtime': x=10: y=10: fontcolor=white: box=1: boxcolor=0x000000" -pix_fmt yuv420p -vsync 1 (...)

git.videolan.org Git - ffmpeg.git/rss log http://git.videolan.org/?p=ffmpeg.git;a=summary

• 09:52
  avfilter/f_drawgraph: add rate/r option - Paul B Mahol git.videolan.org Git - ffmpeg.git/rss log
  avfilter/f_drawgraph: add rate/r option [DH] doc/filters.texi [DH] libavfilter/f_drawgraph.c

Newest 'ffmpeg' Questions - Stack Overflow http://stackoverflow.com/questions/tagged/ffmpeg

• 12:59
  How to set referer header in FFPLAY? - Marzelo Newest 'ffmpeg' Questions - Stack Overflow
  I worked with this line: ffplay -headers "Referer: https://pels.com/id=13" -i "https://pels.com/ondemand/movie.mp4" -- https://pels.com/id=13, https://pels.com/ondemand/movie.mp4
• 07:01
  With ffmpeg how to capture video and audio from chrome tab - rustin peter Newest 'ffmpeg' Questions - Stack Overflow
  I am trying to capture both audio and video from chrome tab with ffmpeg. ffmpeg -f gdigrab -i title="My video- Google Chrome" -pix_fmt yuv420p video.mp4 I commanded this and it output a blank video with my mouse cursor. I am not sure if i need to add anything extra to this command to properly get the video output. I also wants to get the audio that comes from this specified chrome tab
• 06:16
  FFMPEG mp4 videos not suddenly stops playing on Browsers - Harley Lapuz Newest 'ffmpeg' Questions - Stack Overflow
  I have been struggling with this issue in regards to playing my converted mp4 videos using FFMPEG into an html 5 video player, I basically just use a single video player and just replace the source when the video ends. What happens is that a MediaError occurs randomly with different videos saying: PIPELINE_ERROR_DECODE: Failed to send audio packet for decoding or PIPELINE_ERROR_DECODE: audio decode error Videos have no issues on Safari, Internet Explorer, and Firefox. But this error shows up randomly on Opera and Google Chrome. I am using Laravel [Laravel FFMpeg][1] to convert the (...)
• 05:24
  Video out of LinkedList sequence - Marks Gniteckis Newest 'ffmpeg' Questions - Stack Overflow
  I just started working on a side project to learn JavaFX 13 and the idea is to play a sequence of frames like a video without saving the actual video or frames in temp folders. I'd like to buffer images and output them onto ImageView at 30fps. Here is what I've got so far: The method that buffers images - ⓐFXML void takeVideo(ActionEvent event) throws InterruptedException model.purgeBufferedVideo(); Timer timer = new Timer(); long startedAt = System.currentTimeMillis(); TimerTask task = new TimerTask() ⓐOverride public void run() while (System.currentTimeMillis() Method to output (...)
• 00:50
  converting complex ffmpeg command to python3 - Martin Newest 'ffmpeg' Questions - Stack Overflow
  I have a complicated ffmpeg command that takes audio and image as input, and exports a music video. ffmpeg -loop 1 -framerate 2 -i "front.png" -i "testWAVfile.wav" \\ -vf "scale=2*trunc(iw/2):2*trunc(ih/2),setsar=1,format=yuv420p" \\ -c:v libx264 -preset medium -tune stillimage \\ -crf 18 -c:a aac -shortest -vf scale=1920:1080 "outputVideo.mp4" I'm trying to write a python3 program cmdMusicVideo.py which will run this command in pure Python. I know that to run this command you need the ffmpeg program, I'm trying to write it in pure python3, where I'm not just spawning a separate process to (...)