[FFmpeg-user] does ffmpeg support fMP4 segments in HLS

2016-10-19 Thread qw
Hi, does ffmpeg support fMP4 segments in HLS? how to convert flv/mp4 into hls format with fmp4 segment? Thanks Regards Andrew ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visi

[FFmpeg-user] how to convert flv/mp4 into hls

2016-10-19 Thread qw
Hi, Generally, ffmpeg can convert flv/mp4 files into hls format, where m3u8 is the list file, and segment format is ts. Is it possible that segment format is set to mp4? Thanks! Regards Andrew ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

[FFmpeg-user] when to use 10bit

2016-10-19 Thread George Nistor
Hello Ffmpeg-users, I have a general question. When makes sense to use 10 bit for video encoding? Does it make any difference at high kbps? For more than 3000 kbps it is seen a difference in more quality (acuracy) of the colors? -- Best regards, George mailto:georg

Re: [FFmpeg-user] Newbie ish question with mpegts streaming

2016-10-19 Thread Carl Eugen Hoyos
2016-10-20 0:01 GMT+02:00 Wayne Merricks : > ffmpeg version N-60274-gdce9321 Copyright (c) 2000-2014 This is old, please test current FFmpeg git head (which will support the options that your version doesn't support). Did you also provide ffmpeg -i output for the working stream? Please do not t

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Carl Eugen Hoyos
2016-10-19 23:56 GMT+02:00 Josh Sloat : >>Where did he say that? > > OP discusses failed methods here: > https://www.mail-archive.com/ffmpeg-user@ffmpeg.org/msg11151.html (Now an important part of my email is missing above) I don't think he discusses a suggested method "here". Carl Eugen ___

Re: [FFmpeg-user] Newbie ish question with mpegts streaming

2016-10-19 Thread Wayne Merricks
Hi, Apologies, I assumed the command by itself would be enough. I've been playing with the command since the email but I'm still unable to get the proprietary system to correctly receive. I can't provide a working ffmpeg -i because the equipment/software in use is an old version of some Wind

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Josh Sloat
>Where did he say that? OP discusses failed methods here: https://www.mail-archive.com/ffmpeg-user@ffmpeg.org/msg11151.html >Please fix your quoting I’m using the Reply button in mail.app and the “>" symbol for quoting. Pretty standard stuff. Not sure what more I can do. > On Oct 19, 2016,

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Carl Eugen Hoyos
2016-10-19 23:28 GMT+02:00 joshsloat : >>Could it also be a matter of reading the mails I write? > > I’ve read every single line of every single post in this thread. > You gave the original poster a solution and he said it didn’t work. Where did he say that? Please fix your quoting, Carl Eugen _

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread joshsloat
>Could it also be a matter of reading the mails I write? I’ve read every single line of every single post in this thread. You gave the original poster a solution and he said it didn’t work. I can either repeat what the OP did and end up with the same result - or we can move things closer to ge

Re: [FFmpeg-user] Extracting embedded xml metadata im mp4

2016-10-19 Thread Carl Eugen Hoyos
2016-10-19 19:31 GMT+02:00 Robert Krüger : > Are those meta atoms parsed in the mov demuxer? Yes, but most content (except "hdlr") is ignored. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Newbie ish question with mpegts streaming

2016-10-19 Thread Carl Eugen Hoyos
2016-10-19 19:42 GMT+02:00 Wayne Merricks : > If it helps here is my entire ffmpeg command so far: Please always provide the command line you tested together with the complete, uncut console output when asking for help here. In your case, please also provide the complete console output of "ffmpeg

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Carl Eugen Hoyos
2016-10-19 15:27 GMT+02:00 joshsloat : > It appears that it is, in fact, possible - just a matter of finding the right > switches. Could it also be a matter of reading the mails I write? Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org h

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Carl Eugen Hoyos
2016-10-18 19:21 GMT+02:00 Josh Sloat : > We’re not currently compiling ffmpeg from source. Sorry, your mail is difficult to read: To which of my questions is this the answer? Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg

Re: [FFmpeg-user] issue with concat and seek

2016-10-19 Thread Carles Vila
Thanks for hinting in the right direction. Indeed there was no key frame up to sec. 10,5 (amazed by this!) The fact that QuickTime player did *not* show the cut beginning increased my confusion. But further processing with ffmpeg (concat) proves that the frames are there. Increasing the seek ha

[FFmpeg-user] Newbie ish question with mpegts streaming

2016-10-19 Thread Wayne Merricks
Hi, I'm trying to match a stream from a proprietary box with ffmpeg so that hopefully the program that is receiving the stream will actually work with it (rather than doing nothing like it is now). I have matched most of the options but there are a few that I can't find good explanations for

Re: [FFmpeg-user] issue with concat and seek

2016-10-19 Thread Cley Faye
2016-10-19 17:51 GMT+02:00 Moritz Barsnick : > No, ffmpeg should actually cut with "-ss". ​Hmm, I'm not sure. This wiki page (https://trac.ffmpeg.org/wiki/Seeking ) says: > Using -ss as input option together with -c:v copy might not be accurate since ffmpeg is forced to only use/split on i-frame

Re: [FFmpeg-user] Extracting embedded xml metadata im mp4

2016-10-19 Thread Robert Krüger
On Wed, Oct 19, 2016 at 5:39 PM, Moritz Barsnick wrote: > On Wed, Oct 19, 2016 at 12:32:00 +0200, Robert Krüger wrote: > > Hi, > > > > I am currently looking at files from Sony A7S cameras (h264 in mp4) and > > looking at those files in a hex/text editor I can see that they have xml > > metadata

Re: [FFmpeg-user] H264 decoding with dx11 (libavcodec)

2016-10-19 Thread Moritz Barsnick
On Wed, Oct 19, 2016 at 16:16:41 +, Siddharth Bidasaria wrote: > I'm looking for a minimalistic example/guide for setting up dx11 > hardware acceleration for h264 decoding using libavcodec (I have no idea about any of this, but:) You might get help here, but for proper help with programming w

[FFmpeg-user] H264 decoding with dx11 (libavcodec)

2016-10-19 Thread Siddharth Bidasaria
Hi, I'm looking for a minimalistic example/guide for setting up dx11 hardware acceleration for h264 decoding using libavcodec I was trying to follow the basic concepts behind this link (for dxva), and translating it to dx11 r

Re: [FFmpeg-user] issue with concat and seek

2016-10-19 Thread Moritz Barsnick
On Wed, Oct 19, 2016 at 17:17:20 +0200, Carles Vila wrote: > Normal concat without seeking works just fine: > ffmpeg -f concat -i list.txt -c copy output.mp4 You should probably be showing us list.txt. Actually, you should be showing us the complete, uncut console output of your ffmpeg commands as

Re: [FFmpeg-user] Extracting embedded xml metadata im mp4

2016-10-19 Thread Moritz Barsnick
On Wed, Oct 19, 2016 at 12:32:00 +0200, Robert Krüger wrote: > Hi, > > I am currently looking at files from Sony A7S cameras (h264 in mp4) and > looking at those files in a hex/text editor I can see that they have xml > metadata written in a "meta" tag as far as I can see: I couldn't find a sampl

[FFmpeg-user] issue with concat and seek

2016-10-19 Thread Carles Vila
Hi, I have two mp4 (myIntro.mp4 and movie.mp4) that I want to concatenate, but the second video should start at 10 seconds. Both mp4 have same properties. Normal concat without seeking works just fine: ffmpeg -f concat -i list.txt -c copy output.mp4 I cut the first few seconds of the movie to re

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread joshsloat
Thanks Moritz and Phil. You are precisely correct as to why I posted the question where I did. >how about learning to use your mail client? Good grief, Reindl. Comments like these are precisely why every conversation on the Internet devolves into a flame war. No help, no value, just misguide

Re: [FFmpeg-user] Transcode video problem with h264_nvenc

2016-10-19 Thread Gabor Alsecz
On Wed, Oct 19, 2016 at 2:02 PM, Sven C. Dack wrote: > On 19/10/16 12:39, Gabor Alsecz wrote: > >> Got it, thanks for your hints! >> What i really try to achieve here to find a good command line option or a >> very similar one i can implement in my code where feeding FFmpeg process's >> stdout wi

Re: [FFmpeg-user] Transcode video problem with h264_nvenc

2016-10-19 Thread Sven C. Dack
On 19/10/16 12:39, Gabor Alsecz wrote: Got it, thanks for your hints! What i really try to achieve here to find a good command line option or a very similar one i can implement in my code where feeding FFmpeg process's stdout with raw byte data from code which encodes and stream to Youtube than.

Re: [FFmpeg-user] Transcode video problem with h264_nvenc

2016-10-19 Thread Gabor Alsecz
On Wed, Oct 19, 2016 at 1:17 PM, Moritz Barsnick wrote: > On Wed, Oct 19, 2016 at 11:46:33 +0200, Gabor Alsecz wrote: > > ffmpeg -i perspective1440.mp4 -c:v h264_nvenc -profile:v high -vf > > format=nv12 -qp 0 -f h264 - > perspective1440_out_nvenc.mp4 > [...] > > So far this seems fine, the proce

Re: [FFmpeg-user] Transcode video problem with h264_nvenc

2016-10-19 Thread Moritz Barsnick
On Wed, Oct 19, 2016 at 11:46:33 +0200, Gabor Alsecz wrote: > ffmpeg -i perspective1440.mp4 -c:v h264_nvenc -profile:v high -vf > format=nv12 -qp 0 -f h264 - > perspective1440_out_nvenc.mp4 [...] > So far this seems fine, the process executed, video file created. But when > tried to play with any v

Re: [FFmpeg-user] Transcode video problem with h264_nvenc

2016-10-19 Thread Sven C. Dack
On 19/10/16 10:46, Gabor Alsecz wrote: Dear All, I try to transcode a video with h264_nvenc codec with the following command (including stdout/pipe, Windows): ffmpeg -i perspective1440.mp4 -c:v h264_nvenc -profile:v high -vf format=nv12 -qp 0 -f h264 - > perspective1440_out_nvenc.mp4 The option

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Moritz Barsnick
On Wed, Oct 19, 2016 at 10:15:34 +0200, Reindl Harald wrote: > and create your own topic by compose a new mail and *not* reply to > something else No, he replied to the existing thread, asking whether the OP (or whatever you call them on a mailing list) had come to a resolution - of the original i

[FFmpeg-user] Extracting embedded xml metadata im mp4

2016-10-19 Thread Robert Krüger
Hi, I am currently looking at files from Sony A7S cameras (h264 in mp4) and looking at those files in a hex/text editor I can see that they have xml metadata written in a "meta" tag as far as I can see: http://www.w3.org/2001/XMLSchema-instance"; lastUpdate="2016-03-14T14:00:37Z"> Is

[FFmpeg-user] Transcode video problem with h264_nvenc

2016-10-19 Thread Gabor Alsecz
Dear All, I try to transcode a video with h264_nvenc codec with the following command (including stdout/pipe, Windows): ffmpeg -i perspective1440.mp4 -c:v h264_nvenc -profile:v high -vf format=nv12 -qp 0 -f h264 - > perspective1440_out_nvenc.mp4 *Output:* ffmpeg version N-81960-g1bda0ee Copyright

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Phil Rhodes
> however, if you have a precompiled binary from somewhere then bother the > person who built it Or, you could discuss it here, where there might be some other people who've used it. P ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.or

Re: [FFmpeg-user] Compiling FFmpeg without SecIdentityCreate API

2016-10-19 Thread Reindl Harald
Am 19.10.2016 um 01:24 schrieb Josh Sloat: How is this helpful? how about learning to use your mail client? that starts with not top-posting and create your own topic by compose a new mail and *not* reply to something else - however, if you have a precompiled binary from somewhere then bot