[FFmpeg-user] QSV Decoding and QSV Encoding Live Stream

I've recorded a short clip from a DVB-T stream: http://www.mediafire.com/?aoe7406d87h3k If QSV Decoder would work with live streams, this would be enought: ffmpeg -hwaccel qsv -vcodec h264_qsv -i dvbt_Stream.ts -vcodec h264_qsv -vf deinterlace_qsv -y test.ts But that fails. Somehow, if the str

[FFmpeg-user] Adding audio track to MP4 seems to override the video stream

Hello, I’m trying to add an audio track to an existing MP4 video. It seems when I add the new audio stream the video stream gets corrupted. Here’s the command that I’m running: ffmpeg -y -I video.mp4 -i music.aac -c copy -map 0:v:0 -map 1:a:0 video.mp4 I’m using the 3.4.1 release of ffmpeg av

Re: [FFmpeg-user] [Parsed_overlay_opencl_5 @ 0x4f22e80] Failed to finish command queue:

Thank you for your reply！ I try the command not udp and nvenc, it's not work,can you tell me you ffmpeg version? ffmpeg version: ffmpeg version N-89748-g2050464 Copyright (c) 2000-2018 the FFmpeg developers ffmpeg cmd: ./ffmpeg -loglevel debug -init_hw_device opencl=cl:0.0 -filter_hw_device cl

Re: [FFmpeg-user] Bitrate range when streaming to udp

2018-01-09 23:37 GMT+01:00 Alex Alex : > I try to solve a problem which seems to be very simple. There is a > source file which is to be streamed as multicast (UDP) infinitely. If you don't want to reencode the file, there must be a better tool than FFmpeg (I don't know of any). Among the reasons

Re: [FFmpeg-user] essence MD5 for still images

2018-01-09 22:25 GMT+01:00 *** : > On the same subject Appears to be a different subject, but most of all, please remember not to top-post on this mailing list. > when calculating the MD5 of an audio WAV file ffmpeg > defaults to 16 bit. No, ffmpeg does not default to "16 bit" or a particular en

[FFmpeg-user] Bitrate range when streaming to udp

Hello! I try to solve a problem which seems to be very simple. There is a source file which is to be streamed as multicast (UDP) infinitely. Ok, not even infinitely, just once. What is the problem? Terrible bitrate range. Here is my source file: Input #0, mpegts, from 'test.ts':   Duration: 00:08:

Re: [FFmpeg-user] essence MD5 for still images

On the same subject, when calculating the MD5 of an audio WAV file ffmpeg defaults to 16 bit. If the input is 24 bit it is my understanding that it needs to be explicitly reflected in the command as -c:a pcm_s24le otherwise the resulting MD5 will not be accurate. Are there comparable variations i

[FFmpeg-user] Unable to decode & encode a file with cuvid & nvenc

Hi, I'm trying to use the hwaccel feature of GPU. But, faced some troubles. It works well in most cases. But today i faced this error. ffmpeg -hide_banner -hwaccel cuvid -c:v h264_cuvid -resize 1024x720 -i ./waterfall.mp4 -c:a copy -c:v h264_nvenc 123.mp4 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '

Re: [FFmpeg-user] Use of the problem

2018-01-09 9:35 GMT+01:00 林佳弘 : > We are searching the program for our cloud service for commerical use, and > We want to confirm with you whether we can use it under the following > circumstances. > FFmpeg exe files and our services are on the server, the FFmpeg exe will > be run by the server-

Re: [FFmpeg-user] [Parsed_overlay_opencl_5 @ 0x4f22e80] Failed to finish command queue:

On 09/01/18 06:01, 郭浩 wrote: > i want to use overlay_opencl, and i build the ffmpeg with opencl success! but > i run the command , it alway report "[Parsed_overlay_opencl_5 @ 0x4f22e80] > Failed to finish command queue:",i am not sure my command is correct , can > someone tell me how this should

[FFmpeg-user] Use of the problem

Hi, We are searching the program for our cloud service for commerical use, and We want to confirm with you whether we can use it under the following circumstances. FFmpeg exe files and our services are on the server, the FFmpeg exe will be run by the server-side and it gets the results returned