Re: [FFmpeg-user] Filter for smoothening gradual luminance changes?

2017-04-19 Thread Markku Tavasti
On 19.04.2017 23:28, Paul B Mahol wrote: On 4/19/17, Markku Tavasti wrote: From http://scl1.tavasti.fi/~tavasti/ you can find 3 video clips for testing. Create video from them like: ffmpeg -f concat -safe 0 -i <(for i in FHD*MOV; do echo file $(pwd)/$i; done) -an -filter:v "setpts=0.003*PTS"

[FFmpeg-user] Extracting avc from sec file

2017-04-19 Thread Jim Monaco
Hi List, I've got a pile of these samsung dvr (.sec) files which appear to be avc in mediaInfo, but I'm having trouble pulling the stream out successfully. I've found multiple (old) mentions online suggesting "ffmpeg -i inputfile -c:v copy output.avi" but this outputs two errors: "H.264 bitstream

Re: [FFmpeg-user] Reading m3u8 playlist with encrypted media

2017-04-19 Thread Carl Eugen Hoyos
2017-04-19 22:49 GMT+02:00 Anacelia Sarlo : > Hello, I'am trying to play an http live stream (m3u8 playlist) with AES-128 > encrypted media segments. Sounds like ticket #3493, patch welcome! For future questions, please don't forget to add the command line you tested together with the complete, u

[FFmpeg-user] Reading m3u8 playlist with encrypted media

2017-04-19 Thread Anacelia Sarlo
Hello, I'am trying to play an http live stream (m3u8 playlist) with AES-128 encrypted media segments. Each segment in the playlist file, has an url thats point to the corresponding key (binary file) & IV value, used to be decrypted. Does ffmpeg support reading this type of stream or I have to down

Re: [FFmpeg-user] Filter for smoothening gradual luminance changes?

2017-04-19 Thread Paul B Mahol
On 4/19/17, Markku Tavasti wrote: > On 19.04.2017 07:04, Markku Tavasti wrote: >> On 18.04.2017 23:02, Paul B Mahol wrote: >>> Alternatively you could provide me link to original fotage. >> >> I'll select relevant parts and put them to somewhere at the evening. The >> whole original set is 15G (vi

Re: [FFmpeg-user] Filter for smoothening gradual luminance changes?

2017-04-19 Thread Markku Tavasti
On 19.04.2017 07:04, Markku Tavasti wrote: On 18.04.2017 23:02, Paul B Mahol wrote: Alternatively you could provide me link to original fotage. I'll select relevant parts and put them to somewhere at the evening. The whole original set is 15G (video was speeded 300x).

[FFmpeg-user] mjpegenc change to optimal huffman coding as default and Quicktime Player 7

2017-04-19 Thread Mark Burton
This caught me out today, so just as an FYI to anyone else this might affect, the change to enable ‘optimal' huffman coding by default since Sunday 9th April, does cause playback to break in Quicktime Player 7 on macOS. Since Quicktime Player 7 is very old now this is understandable, but for any

Re: [FFmpeg-user] Question about CBR bit rate settings

2017-04-19 Thread Roger Pack
I think you're right, the tutorial is probably outdated. On 4/15/17, Gil Yoder wrote: > According to Korbel in *FFmpeg Basics*, "To set the constant bit rate for > the output, three parameters must have the same value: bitrate (-b option), > minimal rate (-minrate) and maximal rate (-maxrate)" (p

Re: [FFmpeg-user] Unsynced audio while recording from several sources

2017-04-19 Thread Roger Pack
does async or vsync options help? On 4/4/17, Valeriy Shevchuk wrote: > Hello, everyone. > I'm trying to use FFmpeg to record video and 3 audio sources and use it to > generate 3 different video files - each file should contain the same video > stream but the different audio stream. The problem is