2016-12-27 0:05 GMT+08:00 Louis Letourneau :
> Is it possible to start a live capture at the end of an existing video in
> the hls format?
>
> Say you have a captured m3u8, something happens and you want to restart
> ffmpeg but continue capturing at the end of the previous m3u8?
>
> I guess concat
2016-12-27 11:03 GMT+08:00 Tim Hiles :
> On Mon, Dec 26, 2016 at 4:40 PM, 桃源老師 wrote:
>
> > Sorry if I disturbing you...
> >
> > > 2016/12/27 7:47 A.M. Tim Hiles wrote:
> > >
> > > ffmpeg -i "clip-2007-01-01 17;02;58.dv" -c copy -an "noaudio.dv"
> >
> > I think you should tell ffmpeg to:
> >
> >
2017-01-05 15:08 GMT+08:00 qw :
> Hi,
>
>
> I have read the source code of movenc.c, which supports the metadata of
> rotation. Does flv support 'rotation' like mov?
>
what do you want to do in flv use rotation? Is that a usual attribute?
>
>
> Thanks!
>
>
> Regards
>
>
> Andrew
> ___
2017-01-06 4:56 GMT+08:00 Moritz Barsnick :
> On Thu, Jan 05, 2017 at 15:08:09 +0800, qw wrote:
>
> > I have read the source code of movenc.c, which supports the metadata
> > of rotation. Does flv support 'rotation' like mov?
>
> From what I read in the FLV specification:
> https://www.adobe.com/c
2017-01-11 5:01 GMT+08:00 Steven Liu :
>
>
> 2017-01-11 2:42 GMT+08:00 Christian Johannesen
> :
>
>> I tested new functionality that was recently added to FFMPEG to include
>> the
>> segment size in bytes and segment duration in the filename. I tried
>> re-
2017-01-11 2:42 GMT+08:00 Christian Johannesen :
> I tested new functionality that was recently added to FFMPEG to include the
> segment size in bytes and segment duration in the filename. I tried
> re-multiplexing a MP4 with H.264 video and AAC audio into HLS with this
> feature, but only the las
2017-01-11 6:58 GMT+08:00 Christian Johannesen :
> On Tue, Jan 10, 2017 at 4:01 PM, Steven Liu
> wrote:
>
>>
>>
>> add -re , try it like this:
>>
>> ffmpeg.exe -re -i D:\media\mix_of_clip_960x540_2128.mp4 -codec copy -f
>> h
2017-01-11 7:28 GMT+08:00 Steven Liu :
>
>
> 2017-01-11 6:58 GMT+08:00 Christian Johannesen
> :
>
>> On Tue, Jan 10, 2017 at 4:01 PM, Steven Liu
>> wrote:
>>
>>>
>>>
>>> add -re , try it like this:
>>>
>>>
2017-01-11 10:03 GMT+08:00 Christian Johannesen :
> On Tue, Jan 10, 2017 at 7:00 PM, Steven Liu
> wrote:
>
> >
> >
> > 2017-01-11 7:28 GMT+08:00 Steven Liu :
> >
> > localhost:hlsenc StevenLiu$ ./ffmpeg -i mix_of_clip_960x540_2128.mp4 -c
> > copy -
2017-01-11 11:10 GMT+08:00 Steven Liu :
>
>
> 2017-01-11 10:03 GMT+08:00 Christian Johannesen >:
>
>> On Tue, Jan 10, 2017 at 7:00 PM, Steven Liu
>> wrote:
>>
>> >
>> >
>> > 2017-01-11 7:28 GMT+08:00 Steven Liu :
>> >
>>
2017-01-11 22:44 GMT+08:00 Christian Johannesen :
> On Wed, Jan 11, 2017 at 8:56 AM, Steven Liu
> wrote:
>
> >
> >
> > al'right, i have reproduce it on windows+mingw, and will fix it.
> >
> >
> Thank you! Much appreciated.
>
I have sent a p
2017-01-13 0:40 GMT+08:00 Christian Johannesen :
> On Thu, Jan 12, 2017 at 11:32 AM, Christian Johannesen <
> chrisjohanne...@gmail.com> wrote:
>
> >
> >
> > On Thu, Jan 12, 2017 at 1:27 AM, Steven Liu
> > wrote:
> >
> >>
> >> I
2017-02-14 20:15 GMT+08:00 Markku Vainio :
>
> When creating long segments with libx264 and compare result in
> hevcesbrowser I can see that before I-Slice:
>
> x265:
>
> NAL_AUD
> NAL_VPS
> NAL_SPS
> NAL_PPS
> NAL_SEI_PREFIX
> NAL_CRA_NUT = I Slice
> NAL_VPS
>
>
> But in QSV encoded its just:
>
>
!
>
>
>
>
> -Original Message-
> From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of
> Steven Liu
> Sent: 15. helmikuutata 2017 11:32
> To: FFmpeg user questions
> Subject: Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?
>
> 20
2017-02-16 17:23 GMT+08:00 Markku Vainio :
>
>
>
> -Original Message-
> From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of
> Steven Liu
> Sent: 16. helmikuutata 2017 8:53
> To: FFmpeg user questions
> Subject: Re: [FFmpeg-user] QSV Hevc to H
2017-02-17 23:22 GMT+08:00 Markku Vainio :
>
> >
> >
> > -Original Message-
> > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of
> > Steven Liu
> > Sent: 16. helmikuutata 2017 8:53
> > To: FFmpeg user questions
>
2017-02-18 10:43 GMT+08:00 Steven Liu :
>
>
> 2017-02-17 23:22 GMT+08:00 Markku Vainio :
>
>>
>> >
>> >
>> > -Original Message-
>> > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of
>> > Steven Liu
>&
Hi guys,
I have add audio echo to a audio stream,
ffmpeg -i input.wav -af "aecho=0.8:0.9:1000:0.3" output.aac
now i want to disable the audio echo from output.aac
can agate disable it? i can not found any example from document.
Thanks
__
2012-11-30 2:17 GMT+08:00 Lou Logan :
> On Thu, 29 Nov 2012 14:20:41 +0800, tom wrote:
>
> > when using ffmpeg for live-streaming from audio device in conference env,
> > voice echo happened.
> > Is there an AEC filter for audio input device?
> >
> > best regards
> > Tom
>
> User support questio
2017-04-14 16:46 GMT+08:00 ? ? :
> Hi,
>
> I’m record a stream from ip camera with H264 video encoding & PCMA audio
> encoding to m3u8
> Ffmpeg version:3.2.4
> OS:OSX
>
> Here is my command:
>
> ffmpeg -rtsp_transport tcp -i rtsp://192.168.0.40/1/h264major -vcodec
> copy -acodec aac -hls_init_time
gt; so, i just need the first segment to be 2 seconds or 5 seconds and every
> segment after it can be 60 seconds (larger than the first one as the video
> play has always begun)
>
> does ffmpeg has some options like this?
>
Not yet now, maybe you can try -f segment, maybe it can do that.
2017-05-22 17:26 GMT+08:00 Qian Li :
> Hello,
>
>
> I am a newbie of FFmpeg. I am trying to upscale a single video segment
> (downloaded by a DASH client from a DASH server) to a higher resolution. I
> tried the copy and scale filters, but both of them gave the following
> errors:
>
>
> [mov,mp4,m
2017-06-07 23:31 GMT+07:00 Xu Chen :
> Hello all,
>
> I am now trying to re-stream RTSP live stream to HLS, so that I can play it
> on my webpage.
>
> The path will be:
> VLC(read local .mp4 file and stream it using RTSP) —> ffmpge(re-stream it to
> HLS and send it to ffserver) —> ffserver (board
2017-07-25 13:44 GMT+08:00 pablo platt :
> Hi,
>
> A recent commit added fmp4 support for HLS [1] but byte-range or
> single-file isn't supported [2].
> Being able to use a single mp4 file for both Dash and HLS will be super
> useful.
> Any plans to add it?
> What's missing?
> Is mp4 different than
2017-07-25 15:20 GMT+08:00 pablo platt :
> This is great.
I have sent a new patch , you can check it:)
https://patchwork.ffmpeg.org/patch/4526/
> Thank you.
>
> On Tue, Jul 25, 2017 at 9:21 AM, Steven Liu wrote:
>
>> 2017-07-25 13:44 GMT+08:00 pablo platt :
>> >
est it?
> Can you please give command line example to test it?
looks like mpegts's single_file : hls_flags single_file
>
> Thank you for the patch.
>
>
>
> On Mon, Jul 31, 2017 at 7:09 AM, Steven Liu wrote:
>>
>> 2017-07-25 15:20 GMT+08:00 pablo platt :
>&g
2017-10-27 5:10 GMT+08:00 Carl Eugen Hoyos :
> 2017-10-26 17:09 GMT+02:00 Markku Vainio :
>
>> OK, guess someone from Intel just fixed this. Can you check and test this
>> out?
>>
>> https://software.intel.com/en-us/forums/intel-media-sdk/topic/746642
>>
>> https://github.com/libav/libav/commit/98
2018-03-24 0:48 GMT+08:00 Good Developer :
> Is anybody using ffserver successfully in production environment?
ffserver have been removed
> ___
> ffmpeg-user mailing list
> ffmpeg-user@ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To uns
2016-10-11 8:30 GMT+08:00 Alexey Eromenko :
> > Hello,
> >
> > sorry you feel this way, but looking at your bug report do you seem to
> have
> > a misunderstand regarding who is responsible for which bugs. You state
> that
> > it's Apple's decoder that cannot play the videos. And at the same time
2016-11-10 18:53 GMT+08:00 Robert Nagy :
> If using hls_list_size together with program_date_time the
> EXT-X-PROGRAM-DATE-TIME
> tags start to become wrong when segments are removed.
> initial_prog_date_time should probably be incremented by the duration of
> the segments removed.
>
I can not su
2016-11-11 4:56 GMT+08:00 Robert Nagy :
> If hls_list_size is enabled then the X-DATETIME tags will be wrong when
> segments are started to be removed.
>
> On Thu, Nov 10, 2016 at 4:10 PM, Steven Liu
> wrote:
>
> > 2016-11-10 18:53 GMT+08:00 Robert Nagy :
> >
2016-11-25 20:28 GMT+08:00 qw :
> Hi,
>
>
> I have two questions about ffmpeg usage:
>
>
> 1)
> How to edit metadata in flv file by using ffmpeg, such as changing some
> key's value in flv file's metadata tag?
>
yes, you are right
>
>
> 2)
> Normally, there are two streams in flv files, i.e. audi
2016-11-28 13:40 GMT+08:00 兔八哥 <104831...@qq.com>:
> Hi, since the decoding chaos happend in mp3 frame as my last email
> described.
>
>
> I updated the ffmpeg to 3.2 and compiled it. when calling
> avformat_open_input(), crash always happened.
>
> In Chinese response " 哥们，你问错地方了，api使用，是在libav_use
2016-11-28 18:26 GMT+08:00 Steven Liu :
>
>
> 2016-11-28 13:40 GMT+08:00 兔八哥 <104831...@qq.com>:
>
>> Hi, since the decoding chaos happend in mp3 frame as my last email
>> described.
>>
>>
>> I updated the ffmpeg to 3.2 and compiled it. when calling
Hi guys,
I first use the cuda nvenc to transcoding with ffmpeg nvenc, but the
ffmpeg give me an error bellow:
[root@localhost ffmpeg]# ./x86/ffmpeg -v verbose -i ~/a.mp4 -pix_fmt
yuv420p -vcodec nvenc_h264 -profile:v high -b:v 500k -s 800x480 -preset
llhq -r:v 30 -an b.mp4
ffmpeg versio
2015-06-29 18:12 GMT+08:00 Klaus Schürmann :
> Hello,
>
> I compiled ffmpeg with nvenc support. The compile process worked without
> any error. But if I try to convert a file with nvenc I got the error
> message "[nvenc @ 0x39dc1c0] CreateInputBuffer failed".
>
> Can somebody help me to fix this p
2015-08-27 14:52 GMT+08:00 Steven Liu :
>
> 2015-06-29 18:12 GMT+08:00 Klaus Schürmann :
>
>> Hello,
>>
>> I compiled ffmpeg with nvenc support. The compile process worked without
>> any error. But if I try to convert a file with nvenc I got the err
you need to install the yasm or ./configure --disable-yasm
2015-08-22 1:04 GMT+08:00 Reindl Harald :
>
>
> Am 21.08.2015 um 18:21 schrieb ronnie acord:
>
>> I am trying to install ffmpeg and got this error
>>
>> ./configure
>> yasm/nasm not found or too old. Use --disable-yasm for a crippled bu
2015-08-27 15:08 GMT+08:00 Steven Liu :
>
>
> 2015-08-27 14:52 GMT+08:00 Steven Liu :
>
>>
>> 2015-06-29 18:12 GMT+08:00 Klaus Schürmann :
>>
>>> Hello,
>>>
>>> I compiled ffmpeg with nvenc support. The compile process worked without
>&
You can reference the doc/example file makefile
gcc -I. -I./ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DZLIB_CONST -std=c99
-fomit-frame-pointer -pthread -g -Wdeclaration-after-statement -Wall
-Wdisabled-optimization -Wpointer-arith
r
> procedure to use ffmpeg API in my C program .
>
> On Thu, Sep 17, 2015 at 2:26 PM, Clément Bœsch wrote:
>
> > On Thu, Sep 17, 2015 at 04:47:48PM +0800, Steven Liu wrote:
> > > You can reference the doc/example file makefile
> > >
> > >
mpeg :
> >
> > 1. goto ffmpeg directory and run ./ffmpeg
> > 2. run ffmpeg any where
> >
> > I got different - different outputs with both above command .
> >
> > On Thu, Sep 17, 2015 at 2:49 PM, Steven Liu
> > wrote:
> >
> >> please add y
You should install SDL-devel package,
https://www.libsdl.org/download-1.2.php
2015-09-17 20:07 GMT+08:00 Satinder Singh :
> Hi ,
>
> Sir Thank you very Much I install ffmpeg latest version that is working
> perfectly when I am compiling my code inside the ffmpeg/doc/example
> directory . but when
2015-10-08 3:55 GMT+08:00 Reuben Martin :
> Is there any way to transcode an h264 stream, but retain the frame type and
> GOP structure of the origional? Preferably in real time with a live stream
> without haveing to dump the frame data to a file or some other type or
> pre-pass analysis.
>
you
你可以在这个github的作者的项目里提issue，ffmpeg官方版本对他这个目前应该也不会给与任何支持
2015-09-30 18:51 GMT+08:00 黄家永 :
> Use this tool:
> https://github.com/kewlbear/FFmpeg-iOS-build-script
> ___
> ffmpeg-user mailing list
> ffmpeg-user@ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/
Dennis Mungai 于2024年1月20日 周六21:02写道：
> Hello,
>
> Is there a valid technical reason as to why FFmpeg's HLS muxer dropped the
> hls_wrap option?
eg. three player playing the list and every fragment less or equal 1 second
,
1. Player 1 from fragment1, fragment2
2. Now Player 2 from fragment 1, fra
Dennis Mungai 于2024年1月20日 周六23:15写道：
> On Sat, 20 Jan 2024, 6:09 pm Steven Liu, wrote:
>
> > Dennis Mungai 于2024年1月20日 周六21:02写道：
> >
> > > Hello,
> > >
> > > Is there a valid technical reason as to why FFmpeg's HLS muxer dropped
> >
Dennis Mungai 于2024年1月21日周日 00:42写道：
> >
> Perfect, and thanks for considering a revert of this deprecated feature.
Hi Dennis,
Need more talk, Why don't try to use hls_flags +delete_segments+append_list. ?
Thanks
Steven
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ffmpeg-user mailing list
Dennis Mungai 于2024年1月22日 周一18:20写道：
> On Mon, 22 Jan 2024 at 13:10, Steven Liu wrote:
>
> > Dennis Mungai 于2024年1月21日周日 00:42写道：
> >
> > > >
> > > Perfect, and thanks for considering a revert of this deprecated
> feature.
> >
> > H
Hi Guys,
There is no documents for the OS X desktop screen recording by ffmpeg,
http://trac.ffmpeg.org/wiki/Capture/Desktop
Is there have any ways for this operation?
Thanks
Steven
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ffmpeg-user@ffmpeg
> On Dec 1, 2014, at 2:41 PM, Thilo Borgmann wrote:
>
> Am 01.12.14 um 07:39 schrieb Thilo Borgmann:
>> Hi,
>>
>>> There is no documents for the OS X desktop screen recording by ffmpeg,
>>> http://trac.ffmpeg.org/wiki/Capture/Desktop
>>> Is there have any ways for this operation?
>>
> On Dec 1, 2014, at 3:33 PM, Thilo Borgmann wrote:
>
> Am 01.12.14 um 07:51 schrieb Steven Liu:
>> [...]
>> I’ve list_devices the devices;but there have no screen option, just only
> camera option;
>> Perhaps i have using the wrong parameters?
&
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