[FFmpeg-user] OS X screen record by ffmpeg

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 ___ ffmpeg-user mailing list

Re: [FFmpeg-user] OS X screen record by ffmpeg

On Dec 1, 2014, at 3:33 PM, Thilo Borgmann thilo.borgm...@mail.de 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? [StevenLiu@localhost

Re: [FFmpeg-user] Copy GOP structure

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 >

Re: [FFmpeg-user] Install ffmpeg error

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 >

[FFmpeg-user] ffmpeg with nvenc transcoding alloc buffer error

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

Re: [FFmpeg-user] Compiling ffmpeg with NVENC and NVIDIA GRID K1

2015-06-29 18:12 GMT+08:00 Klaus Schürmann k...@mediabeam.com: 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

Re: [FFmpeg-user] Compiling ffmpeg with NVENC and NVIDIA GRID K1

2015-08-27 15:08 GMT+08:00 Steven Liu lingjiujia...@gmail.com: 2015-08-27 14:52 GMT+08:00 Steven Liu lingjiujia...@gmail.com: 2015-06-29 18:12 GMT+08:00 Klaus Schürmann k...@mediabeam.com: Hello, I compiled ffmpeg with nvenc support. The compile process worked without any error

Re: [FFmpeg-user] Compiling ffmpeg with NVENC and NVIDIA GRID K1

2015-08-27 14:52 GMT+08:00 Steven Liu lingjiujia...@gmail.com: 2015-06-29 18:12 GMT+08:00 Klaus Schürmann k...@mediabeam.com: 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

Re: [FFmpeg-user] Error in install ffmpeg 2.7.1

you need to install the yasm or ./configure --disable-yasm 2015-08-22 1:04 GMT+08:00 Reindl Harald h.rei...@thelounge.net: 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

Re: [FFmpeg-user] FFmpeg Library

. > > > > there have two methods of run the ffmpeg : > > > > 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

Re: [FFmpeg-user] FFmpeg Library

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

Re: [FFmpeg-user] FFmpeg Library

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

Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?

n my command sequence? > > Thanks! > > > > > -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 <ffmpeg-user@ffmpeg.org> > Subject: Re: [

[FFmpeg-user] can agate clean the aecho

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

Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?

2017-02-17 23:22 GMT+08:00 Markku Vainio <markku.vai...@craft.fi>: > > > > > > > -Original Message- > > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > > Steven Liu > > Sent: 16. helmikuutata 2017 8:53 > >

Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?

2017-02-18 10:43 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > 2017-02-17 23:22 GMT+08:00 Markku Vainio <markku.vai...@craft.fi>: > >> >> > >> > >> > -Original Message- >> > From: ffmpeg-user [mailto:ffmpeg-u

Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?

2017-02-16 17:23 GMT+08:00 Markku Vainio <markku.vai...@craft.fi>: > > > > -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 <ffmp

Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?

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

Re: [FFmpeg-user] hls: hls_list_size breaks program_date_time

2016-11-11 4:56 GMT+08:00 Robert Nagy <rona...@gmail.com>: > 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 <lingjiujia...@gmail.com> > wrote: > > &g

Re: [FFmpeg-user] how to edit metadata in flv file

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

Re: [FFmpeg-user] crash happened with avformat_open_input on ffmpeg 3.2

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 "

Re: [FFmpeg-user] crash happened with avformat_open_input on ffmpeg 3.2

2016-11-28 18:26 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > 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.

Re: [FFmpeg-user] Developer "cehoyos" closed my bug without any explanation, and without solving it

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.

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-11 22:44 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com>: > On Wed, Jan 11, 2017 at 8:56 AM, Steven Liu <lingjiujia...@gmail.com> > wrote: > > > > > > > al'right, i have reproduce it on windows+mingw, and will fix it. > > > > &

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

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

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-11 5:01 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > 2017-01-11 2:42 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com> > : > >> I tested new functionality that was recently added to FFMPEG to include >> the >> segment size in

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-11 7:28 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > 2017-01-11 6:58 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com> > : > >> On Tue, Jan 10, 2017 at 4:01 PM, Steven Liu <lingjiujia...@gmail.com> >> wrote: >> >>

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-11 11:10 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > 2017-01-11 10:03 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com > >: > >> On Tue, Jan 10, 2017 at 7:00 PM, Steven Liu <lingjiujia...@gmail.com> >> wrote: >>

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-11 6:58 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com>: > On Tue, Jan 10, 2017 at 4:01 PM, Steven Liu <lingjiujia...@gmail.com> > wrote: > >> >> >> add -re , try it like this: >> >> ffmpeg.exe -re -i D:\media\mix_of_clip_96

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-11 10:03 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com>: > On Tue, Jan 10, 2017 at 7:00 PM, Steven Liu <lingjiujia...@gmail.com> > wrote: > > > > > > > 2017-01-11 7:28 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: &g

Re: [FFmpeg-user] issue with [PATCH] avformat/hlsenc: actual segment file size and duration in segment filenames

2017-01-13 0:40 GMT+08:00 Christian Johannesen <chrisjohanne...@gmail.com>: > 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 <lingjiujia...@gmail

Re: [FFmpeg-user] does flv support the metadata of rotation as mov ?

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 > > >

Re: [FFmpeg-user] Append live to existing video

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

Re: [FFmpeg-user] Remove audio from DV file not working

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

Re: [FFmpeg-user] SEGMENT_TYPE_FMP4 with HLS_SINGLE_FILE

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?

Re: [FFmpeg-user] hls_init_time problem

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

Re: [FFmpeg-user] SEGMENT_TYPE_FMP4 with HLS_SINGLE_FILE

2017-07-25 15:20 GMT+08:00 pablo platt <pablo.pl...@gmail.com>: > 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 <lingjiujia...@gmail.com> wrote: > &g

Re: [FFmpeg-user] SEGMENT_TYPE_FMP4 with HLS_SINGLE_FILE

n I apply the patch and test 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 <lingjiujia...@gmail.com> wrote: >> >&g

Re: [FFmpeg-user] hls_init_time problem

segment, maybe it can do that. > > > > On 26 Apr 2017, at 7:53 AM, Steven Liu <lingjiujia...@gmail.com lingjiujia...@gmail.com>> wrote: > > 2017-04-14 16:46 GMT+08:00 ? ? <closezl...@outlook.com closezl...@outlook.com>>: > > Hi, > > I’m record a strea

Re: [FFmpeg-user] upscaling a single DASH segment

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 >

Re: [FFmpeg-user] Restream RTSP to HLS using ffmpeg and ffserver

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

Re: [FFmpeg-user] QSV Hevc to HLS not segmenting?

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

Re: [FFmpeg-user] ffserver in prod env

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 >

Re: [FFmpeg-user] [FFmpeg-devel] FFmpeg's HLS muxer's deprecation of the hls_wrap option

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

Re: [FFmpeg-user] [FFmpeg-devel] FFmpeg's HLS muxer's deprecation of the hls_wrap option

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 ___ ffmpeg-user mailing list

Re: [FFmpeg-user] [FFmpeg-devel] FFmpeg's HLS muxer's deprecation of the hls_wrap option

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,

Re: [FFmpeg-user] [FFmpeg-devel] FFmpeg's HLS muxer's deprecation of the hls_wrap option

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 > > the