Re: [FFmpeg-user] is there any filter that can change frame rate but not duplicate same frame

On 12.01.2017 07:33, qw wrote: I found two filters in ffmpeg, i.e. fps and framerate, which can change frame rate of incomming video. If original frame rate is less than target frame rate, what I want is use original frame rate instead of target one in this case. Does fps or framerate filter

[FFmpeg-user] is there any filter that can change frame rate but not duplicate same frame

Hi, I found two filters in ffmpeg, i.e. fps and framerate, which can change frame rate of incomming video. If original frame rate is less than target frame rate, what I want is use original frame rate instead of target one in this case. Does fps or framerate filter have the function? or is

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 : > 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 patch

Re: [FFmpeg-user] linker errors when compiling using MSVC und disable-optimizations

On 2017-01-11 23:47, Bernhard Döbler wrote: > Can you advise? Dead code elimination is required to compile ffmpeg. See the current discussion on the ffmpeg-devel mailing list for status and maybe some solutions. signature.asc Description: OpenPGP digital signature

Re: [FFmpeg-user] linker errors when compiling using MSVC und disable-optimizations

Am 11.01.2017 um 23:47 schrieb Bernhard Döbler: and literally hundreds of further linker errors. When I leave "--disable-optimizations" out it compiles fine why would someone use -disable-optimizations? frankly why does that exist at all? Can you advise? don't use

[FFmpeg-user] linker errors when compiling using MSVC und disable-optimizations

Hi, I compile ffmpeg in an msys2 environment using Microsoft compiler. I wanted to step through ffmpeg in Visual Studio and noticed, not all variables were availablie in the debugger because of optimizations. I found out about the --disable-optimizations switch for configure and called

[FFmpeg-user] Multiple audio tracks and multiple output streams, avoiding re encoding

Hello, I'm trying to optimize my transcoding command. So, I have multicast stream with 2 audio tracks and I encode video to 4 different profiles, all audio tracks have same settings: ffmpeg -loglevel 40 -i 'udp://@239.1.1.1:1234?fifo_size=100_nonfatal=1' -filter_complex

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

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. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

[FFmpeg-user] Wrong PTS and DTS when grabbing video from webcam

Hi everybody, I'm using ffmpeg to capture video from a webcam (H264 source) and save it in a container (MP4) without re-encoding. Often I get wrong frame timestamp in output video, so it starts not from 0(zero) but from the "machine uptime"(something like 16hrs...). What I need is that the

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 : > > > 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