Re: [FFmpeg-user] Stream microphone to speakers

2020-08-06 Thread Michael Koch
Am 07.08.2020 um 04:59 schrieb Vi Rak: Dear gentle experts, I'm working on the Karaoke project for both Android and iOS where a user could record their performances (their video and vocal) and I use FFmpeg for mixing music with their recordings. Anyway, I wish I could route/pipe user vocal at

[FFmpeg-user] Stream microphone to speakers

2020-08-06 Thread Vi Rak
Dear gentle experts, I'm working on the Karaoke project for both Android and iOS where a user could record their performances (their video and vocal) and I use FFmpeg for mixing music with their recordings. Anyway, I wish I could route/pipe user vocal at realtime (capture thru device microphone)

Re: [FFmpeg-user] RTSP+UDP stream fails after upgrade from version 3.4.8

2020-08-06 Thread Trenton Chang
From: ffmpeg-user on behalf of zhilizhao Sent: Thursday, August 6, 2020 6:00 AM To: FFmpeg user questions Subject: Re: [FFmpeg-user] RTSP+UDP stream fails after upgrade from version 3.4.8 > On Aug 4, 2020, at 8:11 AM, Trenton Chang wrote: > > Hi all, > >

[FFmpeg-user] Why does specifying audio input before webcam video cause them to go out of sync?

2020-08-06 Thread Justyn
Hi all I am using FFmpeg to stream from a webcam and a pulseaudio source to an RTMP server. I know that argument order has an effect in FFmpeg. But I have found that if I specify the audio input stream before the video input stream then the audio is delayed, about half a second behind the

Re: [FFmpeg-user] Input Buffer ovverun with Decklink 8K Pro and Nvenc

2020-08-06 Thread jroch via ffmpeg-user
Seems more complicate than just BMD board. Coz BMD supports stuff but nvenc supports other... -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To

[FFmpeg-user] DASH and Variable framerate

2020-08-06 Thread Alfred E. Heggestad
Hi, I am wondering if DASH muxer supports variable framerate. What I have seen is that DASH and HLS behaves differently regarding variable framerate input. muxer: format: audio delay: DASH:m4s yes DASH w HLS playlist: m4s yes HLS muxer:

Re: [FFmpeg-user] RTSP+UDP stream fails after upgrade from version 3.4.8

2020-08-06 Thread zhilizhao
> On Aug 4, 2020, at 8:11 AM, Trenton Chang wrote: > > Hi all, > > I was hoping to get some help on my streaming setup. I am currently working > on some video-related experiments involving streaming H.264-encoded video > using UDP. > > My setup: > > OS: Ubuntu 18.04.4 LTS (reproduced on

Re: [FFmpeg-user] SBC codec supported?

2020-08-06 Thread Paul B Mahol
On 8/6/20, Hector Urroz wrote: > Is the bluetooth SBC codec supported in ffmpeg? I see references to it in > ffmpeg.org, for example: > > https://www.ffmpeg.org/doxygen/4.1/sbc_8c_source.html > > But the codec doesn't show up when I run "ffmpeg -codecs" Than your build of FFmpeg is very limited