Re: [FFmpeg-user] Converting .mov files playable on html5 players..but very slow

2015-06-24 Thread Henk D. Schoneveld
to scale. It’s one or the other. How much or little did my earlier suggestions help ? > > > > On Tuesday, June 16, 2015 7:42 AM, Henk D. Schoneveld > wrote: > > > > On 16 Jun 2015, at 05:13, Dani A wrote: > >> I am using the below command to covert the

Re: [FFmpeg-user] converting iphone .mov files to mp4 to played on HTML5 players like jwplayer!!

2015-06-16 Thread Henk D. Schoneveld
ng gives FFmpeg Filters Documentation as the first result. > > > > > > On Monday, June 15, 2015 6:58 PM, Henk D. Schoneveld > wrote: > > > > On 15 Jun 2015, at 01:23, Dani A wrote: > >> I am still struggling with the iphone .mov files I wan

Re: [FFmpeg-user] Converting .mov files playable on html5 players..but very slow

2015-06-16 Thread Henk D. Schoneveld
On 16 Jun 2015, at 05:13, Dani A wrote: > I am using the below command to covert the .mov files to play html5, but it > takes so much time..Is there another way to convert those files so they can > play on html5 players but fast to convert... > ffmpeg -i input.MOV -vf scale=720x406,setdar=16:9

Re: [FFmpeg-user] converting iphone .mov files to mp4 to played on HTML5 players like jwplayer!!

2015-06-15 Thread Henk D . Schoneveld
On 15 Jun 2015, at 01:23, Dani A wrote: > I am still struggling with the iphone .mov files I want to convert them to > mp4 but they are rotated because they were recorded while the phone is > vertical. I am using the below command: > ffmpeg -i video.MOV -acodec libvo_aacenc -vcodec libx264 -me

Re: [FFmpeg-user] ffmpeg extremely high consumption

2015-06-14 Thread Henk D. Schoneveld
On 14 Jun 2015, at 02:49, En Figureo Canal wrote: > On Sat, Jun 13, 2015 at 8:24 PM, Moritz Barsnick wrote: > >> On Sat, Jun 13, 2015 at 19:17:51 -0400, En Figureo Canal wrote: >>> Noticed that, after Henk's reply, if I use -vcodec copy then the output >>> will "copy" the source video's attrib

Re: [FFmpeg-user] ffmpeg extremely high consumption

2015-06-13 Thread Henk D. Schoneveld
On 13 Jun 2015, at 15:42, En Figureo Canal wrote: > On Sat, Jun 13, 2015 at 8:08 AM, Moritz Barsnick wrote: > >> Hi En, >> >> On Fri, Jun 12, 2015 at 14:23:24 -0400, En Figureo Canal wrote: >>> Now, what other options are there using libx264, if any? >> >> Well, have you read my email? Why d

Re: [FFmpeg-user] best FFMPEG encoding and encoding a file to fast start

2015-06-08 Thread Henk D. Schoneveld
June 7, 2015 3:13 PM, Henk D. Schoneveld > wrote: > > > > On 07 Jun 2015, at 19:25, Dani A wrote: > >> Any answers? >> Best FFMPEG encoding to reduce file size while not impacting video quality?! >> is mp4 the best? >> >> >> What i

Re: [FFmpeg-user] best FFMPEG encoding and encoding a file to fast start

2015-06-07 Thread Henk D. Schoneveld
On 07 Jun 2015, at 19:25, Dani A wrote: > Any answers? > Best FFMPEG encoding to reduce file size while not impacting video quality?! > is mp4 the best? > > > What is the ffmpeg command to make the video to fast start in CentOS? You\ve probably heard of google putting ffmpeg faststart as sea

Re: [FFmpeg-user] stream copy frame accuracy

2015-06-01 Thread Henk D. Schoneveld
On 01 Jun 2015, at 18:21, t wrote: > > I know this might not be possible, but I'd at least appreciate understanding > what's going on. > > I have a video with forced keyframes every 2 seconds. Ideally, I was hoping > I'd be able to get frame-perfect slices without having to re-encode. For >

Re: [FFmpeg-user] Integration of ffmpeg with Haswell

2015-05-19 Thread Henk D. Schoneveld
On 18 May 2015, at 17:27, Shiwani Agrawal wrote: > Hello , > > Thanks for explanation , I would certainly test the speed enhancement for my > case before paying for the license . First read about quality of encoders, x264 used by ffmpeg, being the winner for years at http://www.compression.ru

Re: [FFmpeg-user] Encoding multiple files for adaptive bit rate streaming using RTMP and HLS

2015-05-12 Thread Henk D. Schoneveld
On 12 May 2015, at 16:32, Henk D. Schoneveld wrote: > > On 12 May 2015, at 15:50, Werner Robitza wrote: > >> On Tue, May 12, 2015 at 3:16 PM, Henk D. Schoneveld >> wrote: >>> >>>> On 12 May 2015, at 13:50, Werner Robitza wrote: >>&

Re: [FFmpeg-user] Encoding multiple files for adaptive bit rate streaming using RTMP and HLS

2015-05-12 Thread Henk D. Schoneveld
On 12 May 2015, at 15:50, Werner Robitza wrote: > On Tue, May 12, 2015 at 3:16 PM, Henk D. Schoneveld > wrote: >> >>> On 12 May 2015, at 13:50, Werner Robitza wrote: >>> >>> On Tue, May 12, 2015 at 11:47 AM, Henk D. Schoneveld >>> wrote:

Re: [FFmpeg-user] Encoding multiple files for adaptive bit rate streaming using RTMP and HLS

2015-05-12 Thread Henk D. Schoneveld
> On 12 May 2015, at 13:50, Werner Robitza wrote: > > On Tue, May 12, 2015 at 11:47 AM, Henk D. Schoneveld > wrote: >> Would you be so kind to explain why to NOT use the crf option? > > CRF is essentially a constant quality mode, which results in variable &g

Re: [FFmpeg-user] Encoding multiple files for adaptive bit rate streaming using RTMP and HLS

2015-05-12 Thread Henk D. Schoneveld
Verstuurd vanaf mijn iPhone > Op 12 mei 2015 om 11:31 heeft Werner Robitza het > volgende geschreven: > >> On Tue, May 12, 2015 at 1:25 AM, Joel Lopez wrote: >> Can I add a few lower versions to the mix and a higher one? > > Yes, you should do that. > >> Can I realign the keyframes of the

Re: [FFmpeg-user] How to embed subtitles to .mp4 movie using ffmpeg

2015-05-08 Thread Henk D. Schoneveld
> On 08 May 2015, at 14:08, Moritz Barsnick wrote: > > On Fri, May 08, 2015 at 13:24:07 +0200, Henk D. Schoneveld wrote: >>> On 06 May 2015, at 22:20, yogev ch wrote: >>> *ffmpeg -i in.mp4 -f srt -i subs.srt -c:v copy -c:a copy -c:s mov_text >>> out.mp4

Re: [FFmpeg-user] How to embed subtitles to .mp4 movie using ffmpeg

2015-05-08 Thread Henk D. Schoneveld
> On 06 May 2015, at 22:20, yogev ch wrote: > > I'm trying to embed subtitles I wrote to a movie I created. > I'm using *ffmpeg* version: *ffmpeg-20150418-git-edbb9b5-win64-static* with > the command: > *ffmpeg -i in.mp4 -f srt -i subs.srt -c:v copy -c:a copy -c:s mov_text > out.mp4* I saw here

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-02 Thread Henk D. Schoneveld
> On 02 May 2015, at 22:32, Anatol wrote: > > Henk, > Live streaming, not files. OK, I was thinking with options as pause and go back in time, but you only intend linear streaming. Sorry for the misunderstanding. > > On Sat, May 2, 2015 at 10:32 PM, Henk D. Schoneveld >

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-02 Thread Henk D. Schoneveld
> On 02 May 2015, at 21:11, Anatol wrote: > > Henk, > Its a real problem, if the streams are un-aligned, the playback gets into > jump-forward-backward mood. If you create a 5min source file and split in 5 1 minute chunks with the help of the hls function of ffmpeg. Then create 3 other quality

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-02 Thread Henk D. Schoneveld
rent for different output streams. I have seen this very often using the > "tee" output > > > > > On 5/2/15 1:43 PM, Henk D. Schoneveld wrote: >>> On 02 May 2015, at 11:38, Anatol wrote: >>> >>> I don't think that 'k

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-02 Thread Henk D. Schoneveld
tolerated by the CDN providers and Apple HLS >>> validation tools. >>> Therefore the source live stream can be used in an adaptive-bitrate sets, >>> IF the other streams match their key frames. >>> By the way Wowza has this option ("keep Source key frames"

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-02 Thread Henk D. Schoneveld
e source stream. Hope it helps. > > On Sat, May 2, 2015 at 2:48 AM, Henk D. Schoneveld > wrote: > >> >>> On 01 May 2015, at 20:43, Haris Zukanovic >> wrote: >>> >>> Indeed force-ing keyframes at certain positions is meant to keep multiple

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-01 Thread Henk D. Schoneveld
sult I P or B frame is the result. Your source is h264 already, so I think you’ll rescale and re-encode to achieve that. The calculation has to be done. Knowing in advance that it will be en I P or B frame won’t make any difference in the amount of calculations in my opinion. > On May 1

Re: [FFmpeg-user] Use force_key_frames to obtain keyframes at exactly the same positions as in the input stream?

2015-05-01 Thread Henk D. Schoneveld
> On 01 May 2015, at 13:06, Haris Zukanovic wrote: > > Is the decision about exactly which frame to make an IDR frame made in x264 > or ffmpeg? In general I-frames are placed at scene-changes, this can happen random. Additionally you can can force an I-frame every arbitrary amount of frames by

Re: [FFmpeg-user] subtitle for mp4

2015-04-20 Thread Henk D. Schoneveld
On 20 Apr 2015, at 19:09, James Lee wrote: > Hi, > > Does ffmpeg can only embed mov_text subtitle format for mp4? > Srt or ass doesn't work. > ffmpeg -i vid.mp4 -f ass -i vid.ass -c:v copy -c:a copy -c:s ass subtitle.mp4 > ffmpeg -i vid.mp4 -f srt -i vid.srt -c:v copy -c:a copy -c:s srt subtitl

Re: [FFmpeg-user] need some help

2015-04-19 Thread Henk D. Schoneveld
On 18 Apr 2015, at 23:07, Sandro Henriques wrote: > Hello, > > > > I am looking for someone who can help me with live streaming h264 quality > adjustments. I have been trying for some time but can't seem to strike a > good balance between bandwidth and quality. I am willing to pay for it. >

Re: [FFmpeg-user] Distributed video transcoding

2015-04-03 Thread Henk D. Schoneveld
On 03 Apr 2015, at 10:49, sriram wrote: > Hi Everyone, > > Has anyone built a distributed video transcoding service using ffmeg? I am > interested to know if there any publicly available information about it or > if you can share more information about it. Also, I would like to know how > most

Re: [FFmpeg-user] what's the best hardware build out?

2015-02-10 Thread Henk D. Schoneveld
On 09 Feb 2015, at 07:32, jarhead4067 wrote: > I'm a long-time developer/noob to FFMpeg, so bear with me. I've got a > requirement for a system to split video files into thumbnails (1 thumbnail > per second of video). The input video format will be all over the place > (i.e. .mp4, .flv, etc),

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

2015-01-12 Thread Henk D. Schoneveld
X264 is NOT the same as H264. H264 is an encoding standard. X264 is a program or library to encode to the H264 standard. It’s not just “Name” slightly changed. On 12 Jan 2015, at 19:06, v...@gmx.ca wrote: > On Monday, January 12, 2015 at 12:33 PM, c...@kruemel.org wrote: >>> I doubt the TV statio

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

2015-01-12 Thread Henk D. Schoneveld
On 12 Jan 2015, at 18:33, c...@kruemel.org wrote: >> I doubt the TV stations use x264, > > I thought DVB-S2 (HD satellite television) is quite commonly using H.264... > But that is probably off-topic on this list. H264 is the standard and x264 is a program or library, part of ffmpeg, but there

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

2015-01-09 Thread Henk D. Schoneveld
On 09 Jan 2015, at 10:25, c...@kruemel.org wrote: >>> Sorry, I don't get the question. Does that sound a stupid idea? >> If you want to compare then you should use the same, original source for >> each encoder. As far as I can tell you're making your H.265 video from >> your H.264 video which int

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

2015-01-09 Thread Henk D. Schoneveld
On 09 Jan 2015, at 10:25, c...@kruemel.org wrote: >>> Sorry, I don't get the question. Does that sound a stupid idea? >> If you want to compare then you should use the same, original source for >> each encoder. As far as I can tell you're making your H.265 video from >> your H.264 video which int

Re: [FFmpeg-user] Worse quality than mencoder

2014-11-25 Thread Henk D. Schoneveld
On 24 Nov 2014, at 15:40, wrote: > If you mean "-b:v 1000k", ffmpeg doesn't allow me to run 2-pass without it. > Is there another way to get CBR with ffmpeg? I think you should remove the min and maxrate:v options, you don’t use them in mencoder either > > P. S. Thanks for your very quick an

Re: [FFmpeg-user] Worse quality than mencoder

2014-11-25 Thread Henk D. Schoneveld
On 24 Nov 2014, at 21:01, n...@email.cz wrote: > On 2014-11-24 15:30, James Darnley wrote: >> You are setting VBV options for ffmpeg and not in mencoder (and forcing >> CBR at that) do I'm not surprised you get different output. > > I think this is not the source of the problem: I saw the same b

Re: [FFmpeg-user] what's the threads mode when using ffmpeg to transcode

2014-11-06 Thread Henk D. Schoneveld
On 06 Nov 2014, at 10:47, cmwu <277893...@qq.com> wrote: > hi, > I am confused how ffmpeg allocate it's cpu resource when i am using ffmpeg > to transcoding, > > for example: > how much resource to decode, and how much to encode > > I have set the threads to 1 and do a experiment: > ffmpeg2

Re: [FFmpeg-user] Automatic encoding of .ts files gives an inexplicable delay after muxing

2014-10-24 Thread Henk D. Schoneveld
On 23 Oct 2014, at 19:13, marsupilami wrote: > Hello, > > I'm experiencing a weird problem which I will try to describe in the > following post. > > Currently, I'm writing a perl script for automatic encoding of MPEG-TS files > using ffmpeg and x264. I'm having ffmpeg apply video filters like

Re: [FFmpeg-user] Dual Xeon VS Haswell-E, maximize fps

2014-10-02 Thread Henk D. Schoneveld
if the one time investment in thinking is more costly. > > On Wed, Oct 1, 2014 at 12:21 PM, Henk D. Schoneveld > wrote: > >> Some additional things to consider. >> >> Perofrm some short tests, with a 1000 frames file, try with threads 1, >> threads 2, threa

Re: [FFmpeg-user] Dual Xeon VS Haswell-E, maximize fps

2014-10-01 Thread Henk D. Schoneveld
send a 1000frames file, I’m happy to test te results for the mentioned Celeron. Henk On 01 Oct 2014, at 04:07, Ryan M wrote: > It is definitely something to think of/consider. Thanks for the input. > > On Mon, Sep 29, 2014 at 2:14 PM, Henk D. Schoneveld > wrote: > >> Siz

Re: [FFmpeg-user] Dual Xeon VS Haswell-E, maximize fps

2014-09-29 Thread Henk D. Schoneveld
ce runs the X and another instance runs the Y symlinks directory. > > > On Mon, Sep 29, 2014 at 11:15 AM, Henk D. Schoneveld > wrote: > >> Why wouldn’t it be realistic ? >> Have a look at https://code.google.com/p/ppss/ to distribute jobs over >> the amount o

Re: [FFmpeg-user] Dual Xeon VS Haswell-E, maximize fps

2014-09-29 Thread Henk D. Schoneveld
a few more fps out of it. If stepping up > to Xeon allows ~40fps like Sean said then it is probably worth it. Thank > you very much for the input. > > On Sun, Sep 28, 2014 at 7:23 AM, Henk D. Schoneveld > wrote: > >> >> On 28 Sep 2014, at 13:13, Henk D. Schonevel

Re: [FFmpeg-user] Dual Xeon VS Haswell-E, maximize fps

2014-09-28 Thread Henk D. Schoneveld
On 28 Sep 2014, at 13:13, Henk D. Schoneveld wrote: > > On 26 Sep 2014, at 18:36, Ryan M wrote: > >> I am putting together hardware to encode a large and ever growing catalog >> of video using ffmpeg/x264. Much of the source video is 1080p ProResHQ. >> Currently

Re: [FFmpeg-user] Dual Xeon VS Haswell-E, maximize fps

2014-09-28 Thread Henk D. Schoneveld
On 26 Sep 2014, at 18:36, Ryan M wrote: > I am putting together hardware to encode a large and ever growing catalog > of video using ffmpeg/x264. Much of the source video is 1080p ProResHQ. > Currently I have a box with a Haswell 4770k CPU which gets around 12-15 > fps, I am of course looking t

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