Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-07 17:58 GMT+01:00, Mark Burton : > On 7 Mar 2018, at 00:45, Mark Burton wrote: >> Does it help if you edit MOV_TIMESCALE in libavformat/movenc.h? > > What are the chances that this value could be changed to a much > higher and more useful value?

Re: [FFmpeg-user] Generate MPEG Transport stream from audio files only

2018-03-07 19:16 GMT+01:00, Pierre Pasquet : > However, It doesn't work with a AAC file. Command line and complete, uncut console output missing. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-07 1:13 GMT+01:00, Mark Burton : > When I run my 24fps Quicktime mov files through an FFmpeg transcode they are > coming out with a Movie Header timescale of 1000, when the source file has a > timescale of 24000. This low timescale value is causing issues in some >

Re: [FFmpeg-user] Using FFMPEG to Record a MPTS

2018-03-02 16:14 GMT+01:00, David Stephens : > I need to record this MPTS as a .TS file while maintaining > the original PID numbers. The ffmpeg command line tool is a transcoding utility that also allows to remux streams, it was not made for what you

Re: [FFmpeg-user] Best way to transmit an audio stream without loss of compression of a linux computer under windows with FFMPEG

2018-03-02 18:32 GMT+01:00, Olivier SCHMITT : > ffmpeg -ar 192000 -ac 2 -sample_fmt S16_LE -f alsa -i > hw:CARD=lloop11,DEV=1 -c copy -f wav udp://192.168.1.29:1 You should not send wav via udp, it is not a streamable format. Raw pcm ("s16le") is an alternative. I

Re: [FFmpeg-user] Translation to ffmpeg of Handbrake (GUI) settings?

2018-03-02 19:39 GMT+01:00, Philip Courier : > The result from a 2-pass encode in Handbrake is splendid, but I would like > to do the same encode > from a bash scriptfile using 2 passes in ffmpeg. Handbrake does not call ffmpeg, it uses its own code to call the

Re: [FFmpeg-user] Trouble executing a command

2018-03-02 11:33 GMT+01:00, C Colutions : > ffmpeg, -y, -r, 22, -f, concat, -safe, 0, -i, > /storage/emulated/0/TestDirectory/TempImages/img%03d.jpg Complete, uncut console output missing. Your usage of "%03d" implies you want to use the image2 demuxer (the only demuxer

Re: [FFmpeg-user] Is there any approach to tell ffmpeg how to determine dts of fMP4 segment?

2018-02-28 13:39 GMT+01:00 toya3329 : > The current choosing preference always make some fMP4 segments > (with sidx earliest_presentation_time 0) to have the incorrect dts time > stamp (0) Would you like to tell us how we can reproduce? Carl Eugen

Re: [FFmpeg-user] Why _COPYing_ a variable encoded audio (AAC) channel will produce a variably encoded one?

2018-02-28 13:40 GMT+01:00 Sophoklis Goumas : > I have a .3gp file containing a video and an audio channel. > > I'm trying to get the audio channel in a separate m4a file but when I issue: > ffmpeg -i foo.3gp -vn -c:a copy foo.m4a Complete, uncut console output

Re: [FFmpeg-user] All the video captures are made at a resolution of 176x144

2018-02-27 14:58 GMT+01:00 Moritz Barsnick : > On Mon, Feb 26, 2018 at 16:43:50 -0500, Lindsey Williams wrote: >> "-r 1 " is just going to use the input file sampling rate, no? > > Input file? We are talking about an input device (as this is a camera), > and the term is "frame

Re: [FFmpeg-user] I'm writing a tutorial involving ffmpeg - could you please fact-check?

2018-02-27 7:53 GMT+01:00 Pičugins Arsenijs : >> ffmpeg -f v4l2 -s "$INRES" -r "$FPS" -i /dev/video0 -vcodec h264_omx -g $GOP >> -keyint_min $FPS -b:v $CBR -minrate "100k" -maxrate $CBR -pix_fmt yuv420p >> -bufsize "500k" -preset "veryfast" -f flv >>

Re: [FFmpeg-user] Howto remove ffmpeg custom build

2018-02-26 13:30 GMT+01:00 ffm...@bechhold.de : > I have downloaded and build ffmpeg version N-90022-g50945482a7 > from git for testing purposes. > > Now I would like to remove this version and use the one provided > by my distro again. You can try "rm /usr/local/bin/ffmpeg".

Re: [FFmpeg-user] h264 and opus in mp4 container

2018-02-26 5:36 GMT+01:00 Vittalprasad : > From below link i saw that mp4 container can have h264 as video codec and > opus as audio codec. so i tried both codecs in to mp4 using ffmpeg, Command line and complete, uncut console output missing. > but external player

Re: [FFmpeg-user] Couldnt send a video from ffmpeg on Windows to an ffserver feed on Linux

2018-02-20 14:15 GMT+01:00 Yanet Giuse : > ffmpeg -i video.avi http://192.168.0.119:8090/feed1.ffm > The same command on my Windows machine gives me the next output error: > Unable to find a suitable output format for > 'http://192.168.0.119:8090/feed1.ffm' .

Re: [FFmpeg-user] FFMPEG convert MXF OP-1b to DNxHD error getting stream index 385942017

2018-02-19 19:33 GMT+01:00 Marton Balint : > > On Mon, 19 Feb 2018, Hannes Kuehn wrote: >> my question regarding the problem is basicly the same as in this mail >> https://ffmpeg.org/pipermail/ffmpeg-user/2017-March/035541.html >> >> but there was no solution yet. >> >> We need to

Re: [FFmpeg-user] Thread message queue blocking: when pipe and use filter complex

2018-02-18 22:56 GMT+01:00 Jonathan Baecker : > when I use pipe to ffmpeg in combination with *filter_complex > overlay, *I always get the message: > >Thread message queue blocking; consider raising the >thread_queue_size option (current value: 256) What exactly is

Re: [FFmpeg-user] problems concat combining videos

2018-02-17 11:26 GMT+01:00 Henry Lau : > The problem is the video. Only the first video looks perfect. > The second visible is not visible--it became "blocky" after the concat: >./ffmpeg -f concat -i files-list.txt -c copy output.mp4 (Complete, uncut

Re: [FFmpeg-user] Jumpy Video with Overlay

2018-02-17 17:49 GMT+01:00 Gyan Doshi : > > On 2/17/2018 10:05 PM, Mark wrote: >> >> The input is 29.97 >> >> color=black:1920x1080:d=42 > > Change to > color=black:1920x1080:d=42:r=30 Should be: color=black:1920x1080:d=42:r=3/1001 (if the input is really less than

Re: [FFmpeg-user] No option to specify dynamic range compression profile in AC3 encoding

2018-02-16 16:03 GMT+01:00 Townson, Andrew E : > ffmpeg.exe -i input.wav -vn -c:a ac3 -ac 2 -b:a 192k -ar 48000 -af >

Re: [FFmpeg-user] ffmpeg3.4 regression

2018-02-16 21:34 GMT+01:00 Mark Thompson : > Your sample works for me? Sounds unlikely to me. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

Re: [FFmpeg-user] ffmpeg3.4 regression

2018-02-16 16:03 GMT+01:00 Piotr Oniszczuk : > Currently we have proof that most recent ffmpeg release (3.4.2) has > regression (as 3.2.1 plays perfectly). Please tell us which commit introduced the regression you see. Carl Eugen

Re: [FFmpeg-user] ffmpeg3.4 regression

2018-02-16 11:00 GMT+01:00 Piotr Oniszczuk : > -I have some mkv videos which are playing perfectly well with > ffmpeg 3.2.1 - but fails with ffmpeg 3.4 Please test current FFmpeg git head, nothing else is supported here. > ffplay version cb069ef Copyright (c)

Re: [FFmpeg-user] fail to seek key video packet

2018-02-14 13:02 GMT+01:00 qw : >>If the issue is only reproducible with files created with FFmpeg, >>I would assume an issue with the muxed file / the muxer. > > We could use some video/audio analyzer tools to check > whether the sample ts file is correct. If there is no

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

2018-02-13 22:28 GMT+01:00 Alex P : > Does anyone know of a lossless encoder that inputs and outputs bgr24? (ljpeg, I don't claim it helps you though.) Please avoid top-posting here, Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Problem converting to mp4 with exact video bit rate

2018-02-13 10:16 GMT+01:00 Vikram Arora : > ffmpeg -i src_file.mp4 -y -ab "512k" -ac "2" -c:a "libfdk_aac" > -ar "44100" -c:v "libx264" -r "29.97" This does not look like a correct frame-rate, try "-r 3/1001" > -b:v "512k" -minrate "512k" -maxrate "512k" -bufsize

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

2018-02-13 1:45 GMT+01:00 Andy Furniss <adf.li...@gmail.com>: > Carl Eugen Hoyos wrote: > >> Is there really a hardware encoder that supports lossless encoding? > > https://developer.nvidia.com/nvidia-video-codec-sdk#NVENCFeatures

Re: [FFmpeg-user] FFmpeg hanging on complex filter

2018-02-13 0:46 GMT+01:00 Jesse Koegler : > ffmpeg version 3.4.1 Copyright (c) 2000-2017 the FFmpeg developers Please test current FFmpeg git head. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

2018-02-12 16:37 GMT+01:00 Alex P : > Command: ffmpeg -f dshow -video_size 3840x2160 -framerate 59.9 -rtbufsize > 21 -pixel_format bgr24 -i video="MZ0380 PCI, Analog 01 Capture" -c:v > libx265 -x265-params lossless=1 out1.avi Unrelated: -framerate 59.9 is most likely

Re: [FFmpeg-user] Is there an input or output file-size limit that FFmpeg can handle ?

2018-02-12 7:45 GMT+01:00 Gyan Doshi : > On 2/12/2018 11:47 AM, Shyam Sundar wrote: > >> Can you please share if you have any data on it OR the size of the largest >> video you have ever tried with FFmpeg ? > > Output filesize limit is the max value of UINT64 i.e. 17179869183

Re: [FFmpeg-user] mpdecimate and setpts

2018-02-12 7:57 GMT+01:00 Chen Fisher : > I'm using mpdecimate to remove similar frames: > ffmpeg -i in.mp4 -vf mpdecimate out.mp4 > > But the ending result has the same number of frames as the original video > file (although smaller file size). > > When using mpdecimate

Re: [FFmpeg-user] Stuck with error when adding two subtitles

2018-02-10 22:13 GMT+01:00 Carl Eugen Hoyos <ceffm...@gmail.com>: > 2018-02-10 16:13 GMT+01:00 ffm...@bechhold.de <ffm...@bechhold.de>: > >> ffmpeg -i movie-in.mp4 -i sub-alien.srt -i sub-full.srt -map 0:v -map >> 0:a -map 1 -map 2 -c:v copy -c:a copy -c:s mov_t

Re: [FFmpeg-user] stream hls from ffmpeg via media-server to TV

2018-02-10 14:02 GMT+01:00 Thomas Schmiedl <thomas.schmi...@web.de>: > Am 07.02.2018 um 19:15 schrieb Carl Eugen Hoyos: >> >> 2018-02-06 14:25 GMT+01:00 Thomas Schmiedl <thomas.schmi...@web.de>: >> >>> ffmpeg version 3.4.1 Copyright (c) 2000-2017 the FFmp

Re: [FFmpeg-user] fail to seek key video packet

2018-02-11 12:58 GMT+01:00 qw : >>Not sure what you are trying to show but this file was created with >>FFmpeg and is therefore typically not a good example. >> >>Or to say it differently: If the issue can be shown with a file >>created by FFmpeg, why did you upload a (large)

Re: [FFmpeg-user] Stuck with error when adding two subtitles

2018-02-10 16:13 GMT+01:00 ffm...@bechhold.de : > ffmpeg -i movie-in.mp4 -i sub-alien.srt -i sub-full.srt -map 0:v -map > 0:a -map 1 -map 2 -c:v copy -c:a copy -c:s mov_text -disposition:s:0 > forced -metadata:s:s:0 language=eng -metadata:s:s:0 title="Alien only" >

Re: [FFmpeg-user] adapt h264/aac mpegts to rtmp streaming services

2018-02-09 20:13 GMT+01:00 Federico Allegretti : > To stream to the servers i use this: > ffmpeg -y -re -f mpegts -i /dev/video0 -c:v copy -c:a copy -bsf:a > aac_adtstoasc -g 52 -f flv "rtmp .. Complete, uncut console output missing. What is "-g 52" supposed to do? >

Re: [FFmpeg-user] YouTube streaming of a static image...

2018-02-09 16:09 GMT+01:00 Paul B Mahol <one...@gmail.com>: > On 2/9/18, Carl Eugen Hoyos <ceffm...@gmail.com> wrote: >> 2018-02-08 14:17 GMT+01:00 Gyan Doshi <gyando...@gmail.com>: >> >>> The (input) option for this is -stream_loop. >> >>

Re: [FFmpeg-user] FFMPEG dropping the first two frames of segments generated through seeking

2018-02-09 15:43 GMT+01:00 Fernando Peña D'Andrea : > It seems it was never FFMPEG's fault, as quicktime and Blender opened the > files complete. The culprit was Adobe Premiere. I wonder if there isn't a bug in FFmpeg... Please avoid top-posting here, Carl Eugen

Re: [FFmpeg-user] Question Falcc for mathmatically lossless

2018-02-09 15:06 GMT+01:00 Jim Shupert : > I see by the documentation : > FLAC (Free Lossless Audio Codec) Encoder > > compression_level > Sets the compression level, which chooses defaults for many other > options if they are not set explicitly. > Valid values are from

Re: [FFmpeg-user] YouTube streaming of a static image...

2018-02-08 14:17 GMT+01:00 Gyan Doshi : > The (input) option for this is -stream_loop. If the input is an image (as in this case), "-loop 1" is the better option, as you wrote in your mail, "stream_loop" is a hack and sometimes has issues. (May need -shortest) Carl Eugen

Re: [FFmpeg-user] ADPCM block size for XAudio

2018-02-08 8:02 GMT+01:00 Martin Wahnschaffe : >> >> I changed the BLKSIZE constant to 512 and it still didn't work with XAudio. >> >> So I took a closer look at the code. Turns out that the BLKSIZE constant >> is actually used to set the block_align value. Microsoft measues

Re: [FFmpeg-user] multiple inputs

2018-02-08 11:52 GMT+01:00 Mikael Persson : > Hi, I want to sequentially parse a set of input videos and output all their > keyframes in monotonic unbroken order... > > so videos a,b,c,d with 10 frames each should produce 0-50.jpg > > If thye videos where concatable and the

Re: [FFmpeg-user] stream hls from ffmpeg via media-server to TV

2018-02-06 14:25 GMT+01:00 Thomas Schmiedl : > ffmpeg version 3.4.1 Copyright (c) 2000-2017 the FFmpeg developers Please test current FFmpeg git head, nothing else is supported here. > Error message on TV is "file not readable" and in ffmpeg "Broken pipe". Assuming this

Re: [FFmpeg-user] MXF XAVC UHD video stream modified while using the -copy option

2018-02-07 14:06 GMT+01:00 Ronan Ricou : > The video itself seems fine (same duration, frame accurate), it's > just that I don't know where the size difference come from and > what information are lost. Which size difference? > I tried to open the file created by FFMPEG

Re: [FFmpeg-user] MXF container tags modified when replacing audio

2018-02-07 17:18 GMT+01:00 Frédéric Busnel-Joncour : >> The needed options for this test are: >> $ ./configure && make ffmpeg > > > Hi again, > > > Just had a look at it, I think that I could as well add this line after line > 1165 : > > case 2160: f1 = 42; f2 = 0;

Re: [FFmpeg-user] MXF container tags modified when replacing audio

2018-02-07 12:47 GMT+01:00 Frédéric Busnel-Joncour : Sorry, I am not sure I understand correctly: If you change the value "0" for Video Line Map in a 3840x2160 file created with FFmpeg to "42", the file works with Avid Media Composer? >>> >>> As far as I know, yes.

Re: [FFmpeg-user] MXF XAVC UHD video stream modified while using the -copy option

2018-02-07 12:21 GMT+01:00 Ronan Ricou : > Media info output, as I included in my initial question. I don't think FFmpeg drops video data for your command line and I don't think MediaInfo would be able to show you such a drop. Feel free to use third-party tools to

Re: [FFmpeg-user] fail to seek key video packet

2018-02-07 7:03 GMT+01:00 qw : > ffmpeg version 3.4.1 Copyright (c) 2000-2017 the FFmpeg developers Please remember that only current FFmpeg git head is supported here. [...] > Input #0, mpegts, from './hanma.ts': > Duration: 00:02:39.78, start: 1.40, bitrate: 10913

Re: [FFmpeg-user] MXF XAVC UHD video stream modified while using the -copy option

2018-02-07 9:30 GMT+01:00 Ronan Ricou : > I know this because the size of the video stream isn't the same on the > remuxed file. How did you check this? Please do not top-post here, Carl Eugen (And please do not use external resources for the console output, they can

Re: [FFmpeg-user] MXF container tags modified when replacing audio

2018-02-07 10:32 GMT+01:00 Frédéric Busnel-Joncour : >>> Thanks for support again ! >>> As I'm not the end user, it's difficult to tell you exactly, but the problem >>> occurs with Avid Media Composer. >>> Video Line Map should be at 42, and it's at 0. >> >> Sorry, I am not sure I

Re: [FFmpeg-user] video slows down in the middle

2018-02-07 1:19 GMT+01:00 Henry Lau : > ./ffmpeg -i inputWebm out.mp4 (Complete, uncut console output missing!) You have to set an output framerate with -r 30 Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] MXF container tags modified when replacing audio

2018-02-05 18:07 GMT+01:00 Frédéric Busnel-Joncour : >>> Most of time it's not an issue, but in a particular case, the player >>> can't read properly the file as the "Video Line Map" tag value is >>> not what expected. >> >> How do you know that this is the (one) value that stops

Re: [FFmpeg-user] MXF XAVC UHD video stream modified while using the -copy option

2018-02-06 18:09 GMT+01:00 Ronan Ricou : > I'm trying to remux a MXF XAVC file with the exact same video but > only 2 out of the 4 audio tracks. > For that I use this command: > ffmpeg -i INPUT_FILE -c copy -map 0:v -map 0:a:0 -map 0:a:1 OUTPUT_FILE > > The thing is, some

Re: [FFmpeg-user] Error building ffmpeg with x265 support

2018-02-06 6:13 GMT+01:00 David Turner : > I worked my through the tutorial on compiling ffmpeg with h.265 support found > at https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu. The last thing it > instructed me to do is > PATH="$HOME/bin:$PATH"

Re: [FFmpeg-user] ffplay cross-compilation

2018-02-05 15:46 GMT+01:00 Vladimir Kondenko : > I managed to get it to compile on release/3.2 branch, but it throws an > error regarding an undefined reference to 'main' in ether ffplay or > libavutil.so files (depending on shared and/or static flags). Which change in

Re: [FFmpeg-user] Is it possible to add a 'keyw' atom to a MP4

2018-02-06 20:29 GMT+01:00 Jason Player : > ffprobe version 3.0.2 Copyright (c) 2007-2016 the FFmpeg developers Please test current FFmpeg git head and please do not top-post here. Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Alpha Channel QT with SubTitles

2018-01-17 17:34 GMT+01:00 Gandharv Bhagat : > Thanks for the frame rate multiplier correction, will make the change. > > As for the file, I am checking in FCP 7. When alpha type is set to > ‘none/ignore’ I see a white background and white text and the drop > shadow. When the

Re: [FFmpeg-user] FFMPEG dropping the first two frames of segments generated through seeking

2018-02-01 21:28 GMT+01:00 Fernando Peña D'Andrea : > Hello, all! > > I'm trying to script-cut a 24 fps video and it gets close to the right > thing, except for two missing frames at the beginning of every segment I > cut with seeking. > > I've found out that

Re: [FFmpeg-user] Replace part of video with series of images

2018-01-31 0:51 GMT+01:00 Joshua Grauman : > replace > Applicable if the input has alpha. With value 1, the pixels of the painted > box will overwrite the video’s color and alpha pixels. Default is 0, which > composites the box onto the input, leaving the video’s alpha intact.

Re: [FFmpeg-user] Fwd: librsvg-2.0 not found using pkg-config

2018-01-30 20:48 GMT+01:00 Charles Lawrence : > Based on Carl's suggestion, I switched over to git head vs the 3.4.1 > release and am encountering the same problem. > > The only option now that I'm trying to configure is librsvg but am > still encountering the "librsvg-2.0

Re: [FFmpeg-user] Fwd: librsvg-2.0 not found using pkg-config

2018-01-30 3:06 GMT+01:00 Charles Lawrence : > Created a debian-based dockerfile a few days ago that successfully > built ffmpeg 3.4.1 from source with librsvg enabled. > > However today, without any intervening changes in the build script, > librsvg fails due to

Re: [FFmpeg-user] Strange results with -preset

2018-01-29 16:15 GMT+01:00 Nicolas George <geo...@nsup.org>: > Carl Eugen Hoyos (2018-01-29): >> And therefore, no specific output file size can be expected >> afaiu. > > Indeed, but you can expect the same quality, and therefore a > decreasing size-v

Re: [FFmpeg-user] Strange results with -preset

2018-01-29 0:12 GMT+01:00 Nicolas George <geo...@nsup.org>: > Carl Eugen Hoyos (2018-01-28): >> Since you did not specify a bitrate > > But CRF was specified. And therefore, no specific output file size can be expected afaiu. Carl Eugen __

Re: [FFmpeg-user] Strange results with -preset

2018-01-28 18:38 GMT+01:00 Cecil Westerhof : > I need to upload a set of videos, but before I do that I need to > shrink them. But I get a very strange result. Of-course the preset > veryfast is faster as faster, fast, medium, slow, slower and veryslow. > But the strange thing is

Re: [FFmpeg-user] Error converting .m4a to .mp3

2018-01-28 21:53 GMT+01:00 Bernhard Döbler : > I want to convert an mp4 file from iTunes to MP3 using ffmpeg. > For on certain file I get error: Command line and complete, uncut console output missing. Feel free to test the following: $ ffmpeg -i input -acodec pcm_f32le

Re: [FFmpeg-user] Reencoding video from image sequence doesn't work (sometimes)

2018-01-18 22:34 GMT+01:00 Carl Eugen Hoyos <ceffm...@gmail.com>: > Are the attachments of your output file the reason for the > issue: Does it disappear if you only put one video and one > audio stream in the output file? Did you comment on this question? Sorry if I missed

Re: [FFmpeg-user] error malloc of size ... failed

2018-01-26 13:13 GMT+01:00 JONI JONI : > when I save rtsp strem to 264 file i get error malloc of size ... failed, > why? > My ffmpeg commnd is : ffmpeg -i rtsp:// test.264 (This command does not "save" the rtsp stream, it re-encodes to h264.) Complete, uncut console output

Re: [FFmpeg-user] ADPCM block size for XAudio

2018-01-27 15:08 GMT+01:00 Martin Wahnschaffe : > I changed the BLKSIZE constant to 512 and it still didn't work with XAudio. Good that you tested this! (Sorry if I already asked:) Is the issue also reproducible with WMP or only with "XAudio"? Thank you, Carl Eugen

Re: [FFmpeg-user] Sample types 's32 (24 bit)' and 's16 (24 bit)' are confusing to me

2018-01-27 18:58 GMT+01:00 Zak : > ffprobe version 3.0.2 Copyright (c) 2007-2016 the FFmpeg developers This is old and unsupported, the bug you see was fixed some time ago. > Why does the FLAC say "s32", Because FFmpeg internally only knows 8, 16 and 32 (and more)

Re: [FFmpeg-user] MXF container tags modified when replacing audio

2018-01-22 17:07 GMT+01:00 Frédéric Busnel-Joncour : > Most of time it's not an issue, but in a particular case, the player > can't read properly the file as the "Video Line Map" tag value is > not what expected. How do you know that this is the (one) value that stops your player

Re: [FFmpeg-user] Reencoding video from image sequence doesn't work (sometimes)

2018-01-25 15:09 GMT+01:00 serialhex : > I'm almost to the point of hitting up the ffmpeg developers > list and filing this as a bug. This (the FFmpeg user mailing list) is the right place to report bugs, do not report an issue on the development mailing list if you are not

Re: [FFmpeg-user] Broken video in rtmp stream to Wowza using tee pseudo-muxer

2018-01-24 16:36 GMT+01:00 Erwin Eggenberger : > When I just upload the stream without the tee muxer, everything works as > expected, but with tee I only get audio but no video. In the Wowza logs > I can see errors like this: > H264Utils.decodeAVCC :

Re: [FFmpeg-user] xcrun -sdk iphoneos clang is unable to create an executable file

2018-01-24 7:49 GMT+01:00 冯武 <1024768...@qq.com>: > configure --target-os=darwin --arch=arm64 --cc='xcrun -sdk iphoneos clang' > --as='gas-preprocessor.pl -arch aarch64 -- xcrun -sdk iphoneos clang' > --enable-cross-compile --disable-debug --disable-programs --disable-doc > --enable-pic >

Re: [FFmpeg-user] HLS program-date-time drifts

2018-01-24 1:14 GMT+01:00 Chris Hiszpanski : > Hello, > > I am using the HLS plugin, which is generating a .m3u8 playlist and its > corresponding MPEG-2 transport stream segments: > > I'm noticing that if I leave this running for multiple days, the datetime in >

Re: [FFmpeg-user] Questions about the concat video filter

2018-01-23 15:23 GMT+01:00 Katherine Frances : > But as for the pix_fmt - for the test files I've created, ffmpeg selects > the lesser-quality chroma subsampling scheme for the output. Command line and complete, uncut console output missing. Carl Eugen

Re: [FFmpeg-user] Questions about the concat video filter

2018-01-23 11:09 GMT+01:00 Katherine Frances : > Further, if the specs for the output streams are not explicitly set by the > user, how does FFmpeg 'decide' what codec & options etc to use? It tries hard... > The docs say: > >> the filtering system will automatically select

Re: [FFmpeg-user] MXF container tags modified when replacing audio

2018-01-22 17:07 GMT+01:00 Frédéric Busnel-Joncour : > I use ffmpeg to replace audio streams in MXF containers The tool ffmpeg does not support "replacing" streams in containers. If you provide the command line you tested and the complete, uncut console output, we may be able

Re: [FFmpeg-user] ./configure ERROR: rockchip_mpp not found using pkg-config

2018-01-14 10:03 GMT+01:00 Garth Pennington : > Hi, I am getting this error trying to compile ffmpeg with the new rockchip > mpp support added. > > > ./configure --enable-rkmpp --enable-version3 > ERROR: rockchip_mpp not found using pkg-config > > configure.log on pastebin

Re: [FFmpeg-user] ffmpeg 3.4.1 with android

2018-01-17 14:10 GMT+01:00 罗晓程 : > CC libavdevice/alldevices.o > In file included from ./libavutil/internal.h:42:0, > from ./libavutil/common.h:467, > from ./libavutil/avutil.h:296, > from ./libavutil/log.h:25, >

Re: [FFmpeg-user] FFMPEG rc_override option

2018-01-20 20:15 GMT+01:00 shailender Jain : > I am trying to use -rc_override option for FFMPEG. The option works on (some?) internal encoders, not with libx265. Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Custom windows FFmpeg with libx24

2018-01-19 23:27 GMT+01:00 Rod Yk : > I am trying to create a custom build of ffmpeg and include libx264 for > windows. > I have spent the day reading articles and trying diffident things with no > success. > I have pulled down and built the libx264,

Re: [FFmpeg-user] ffmpeg-3.2.2 compilation issue

2018-01-15 9:39 GMT+01:00 Ramesh P : > facing compilation issue. > > " ERROR: opus not found using pkg-config What does the following show? $ pkg-config --exists --print-errors opus > If you think configure made a mistake, make sure you are using the latest > version

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 18:54 GMT+01:00 Frédéric : > Le samedi 20 janvier 2018, Carl a écrit : > >> Given the decoder is approximately a decade old and >> was used intensively since we of course hope there >> are no audible bugs. > > Well, it's enough for me. This means the issue is not

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 17:46 GMT+01:00 Frédéric : > Le samedi 20 janvier 2018, Carl a écrit : > >> (Did you already ask this and I missed it?) > > No, I didn't, because I was not planning to do that. My > initial goal was only to see if there were some obvious > known differences between

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 17:11 GMT+01:00 Frédéric : > If you can explain me how I can read and send the audio > stream of a video file, using ffmpeg of my NUC running > LibreElec, switching from passthrough to 5.1 internal > decoding, well, I can give a try. (Did you already ask this and I

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 16:18 GMT+01:00 Frédéric : > Le samedi 20 janvier 2018, Carl a écrit : > >> We can't assure that the issue you see with Kodi is because >> of an issue within FFmpeg or within Kodi (or in your receiver) >> because you don't tell us... > > I can't tell, Why? > as I

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 16:06 GMT+01:00 Frédéric : > Le samedi 20 janvier 2018, Carl a écrit : > >> We (I) don't know because the specification is not public iirc. > > Ok, I understand! So, I guess ffmpeg developers make their > best, but can't assure it is done the same way... Actually: We

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 15:42 GMT+01:00 Frédéric : > Le samedi 20 janvier 2018, Carl a écrit : > >> Please confirm that this happens with a raw (encoded) audio sample >> and the ffmpeg command line tool (use wav or raw pcm as output) >> with current FFmpeg git head. >> If yes, please provide

Re: [FFmpeg-user] ADPCM block size for XAudio

2018-01-20 15:13 GMT+01:00 Martin Wahnschaffe : >> >> >> What does "make -v" show? >> >> I suspect at least 3.81 is needed. >> > >> > It's GNU Make 3.18 "This program built for i686-ps-msys". >> >> I didn't find this version / doesn't sound like a legitimate make. > > Sorry,

Re: [FFmpeg-user] ADPCM block size for XAudio

2018-01-20 9:55 GMT+01:00 Martin Wahnschaffe : >> >> What does "make -v" show? >> I suspect at least 3.81 is needed. > > It's GNU Make 3.18 "This program built for i686-ps-msys". I didn't find this version / doesn't sound like a legitimate make. Carl Eugen

Re: [FFmpeg-user] Compressed audio streams (DTS, Dolby) decoding

2018-01-20 11:16 GMT+01:00 Frédéric : > I'm using a NUC to run Kodi, sending the audio signal to my HC amplifier > through HDMI. I let the amplifier decode compressed audio streams, by > activating the passthrough param in Kodi. > > But I plan to use a nanoAVR HD sound

Re: [FFmpeg-user] stream hls from ffmpeg via media-server to TV

2018-01-12 14:22 GMT+01:00 Thomas Schmiedl : > The option "-f mpegts" doesn't work. At least provide your FFmpeg command line together with the complete, uncut console output. Does your tv accept usb drives? Did you test a file created with FFmpeg? Please do not top-post

Re: [FFmpeg-user] ADPCM block size for XAudio

2018-01-19 8:35 GMT+01:00 Martin Wahnschaffe : >> Can't you install msys and test yourself? > > I expected there would be problems, so I tried to avoid it. Many people are doing it.. (I haven't compiled on Windows for some time.) > I'm giving it a try now. > > Using this

Re: [FFmpeg-user] Reencoding video from image sequence doesn't work (sometimes)

2018-01-18 21:53 GMT+01:00 serial...@gmail.com : > I found a cool utility to upconvert anime images > (if you're interested https://github.com/lltcggie/waifu2x-caffe) I assume you tested that this is better than FFmpeg's (old) super2xsai filter. Is it also better than

Re: [FFmpeg-user] ADPCM block size for XAudio

2018-01-18 17:55 GMT+01:00 Martin Wahnschaffe : >> Did you actually verify this? >> If you change the value for BLKSIZE in libavcodec/adpcm.h >> does this fix the issue? >> > Sorry for the late reply, > Can someone change BLKSIZE to 512 and send the ffmpeg.exe? > I'd try and

Re: [FFmpeg-user] H.264 with pcm_mulaw audio live RTSP streaming

2018-01-18 12:36 GMT+01:00 George Andguladze : >> As a work-around, you can record the stream with something else than ogg >> (for example avi) and then re-encode that file, the result should contain >> sane >> timestamps. >> If you use the option "-rtsp_transport tcp"

Re: [FFmpeg-user] H.264 with pcm_mulaw audio live RTSP streaming

2018-01-18 12:36 GMT+01:00 George Andguladze : >> As a work-around, you can record the stream with something else than ogg >> (for example avi) and then re-encode that file, the result should contain >> sane >> timestamps. >> If you use the option "-rtsp_transport tcp"

Re: [FFmpeg-user] H.264 with pcm_mulaw audio live RTSP streaming

2018-01-18 11:57 GMT+01:00 George Andguladze : >> Is the timing information in the status line of ffplay also completely off? > > Yes, the audio/video synchronization drift is constantly increasing. I don't think there is a "drift". The timestamps are just increasing too

Re: [FFmpeg-user] H.264 with pcm_mulaw audio live RTSP streaming

2018-01-18 11:23 GMT+01:00 George Andguladze : >> Does playing the rtsp stream with ffplay work? > > It does, and the result is a flawless video/audio stream with no errors > or artifacts whatsoever. Is the timing information in the status line of ffplay also completely

Re: [FFmpeg-user] H.264 with pcm_mulaw audio live RTSP streaming

2018-01-18 11:00 GMT+01:00 George Andguladze : > I have a RTSP stream coming Hikvision DS-7608NI-ST NVR connected to > several Hikvision cameras with H.264 for video encoding and pcm_mulaw > raw audio. My goal is to transcode this stream into Theora/Vorbis with > OGG

Re: [FFmpeg-user] Slower Encoding with Threads!

2018-01-18 6:58 GMT+01:00 Mansoor Alghamdi : > Hello ffmpeg team and users, > > When using "-thread 16" for encoding videos > (x264 and x265) This is neither the x264-user nor the x265-user mailing list. Command line and complete, uncut console output missing. Carl Eugen

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