Re: [FFmpeg-user] Reduce mux overhead of HLS stream creation

2015-02-16 Thread Moritz Barsnick
On Mon, Feb 16, 2015 at 04:38:47 +, Wesley Wen wrote: > I'm using FFmpeg to create HLS stream, but noticed significant TS muxing > overhead (especially for low bitrate condition). I used Elecard Stream > Analyzer to look at the stream and came up some questions. [...] > ffmpeg -loglevel fatal

Re: [FFmpeg-user] Different bitrates for videos and creation of manifest files

2015-02-16 Thread Knapek Miroslav
Hello, I would need similar or same help. My scenario: I have fullHD source video AVCHD in M2TS file. I would like to encode MPEG DASH set with valid MPD manifest for one audio track and three to four video tracks with different resolutions and bitrates. I spent a week on Google without big

Re: [FFmpeg-user] Reduce mux overhead of HLS stream creation

2015-02-16 Thread Claudiu Rad-Lohanel
On 2/16/2015 10:46 AM, Moritz Barsnick wrote: On Mon, Feb 16, 2015 at 04:38:47 +, Wesley Wen wrote: I'm using FFmpeg to create HLS stream, but noticed significant TS muxing overhead (especially for low bitrate condition). I used Elecard Stream Analyzer to look at the stream and came up some

Re: [FFmpeg-user] Reduce mux overhead of HLS stream creation

2015-02-16 Thread Wesley Wen
On Mon Feb 16 2015 at 4:46:34 PM Moritz Barsnick wrote: > On Mon, Feb 16, 2015 at 04:38:47 +, Wesley Wen wrote: > > I'm using FFmpeg to create HLS stream, but noticed significant TS muxing > > overhead (especially for low bitrate condition). I used Elecard Stream > > Analyzer to look at the s

[FFmpeg-user] When calling ffmpeg.c twice, does it causes crash?

2015-02-16 Thread SooMin Ahn
Hi I've got a big problem of my application. I made an application using FFmpeg. When I encode one movie file, it works good. But!!! Call ffmpeg.c again and tried to encode movie file. always crash. and then i got an error message following this. "System.AccessViolationException" If I made a mistak

Re: [FFmpeg-user] Reduce mux overhead of HLS stream creation

2015-02-16 Thread Christian Ebert
* Claudiu Rad-Lohanel on Monday, February 16, 2015 at 12:31:58 +0200 > On 2/16/2015 10:46 AM, Moritz Barsnick wrote: >> For one, we might identify that your problem has been fixed already. >> Here's a (fixed) ticket concerning a similar matter: >> >> https://trac.ffmpeg.org/ticket/2857 > > No, th

[FFmpeg-user] Packets are not in the proper order with respect to DTS

2015-02-16 Thread Pål Gunnar Ellingsen
Hi I'm trying to stream video from a camera to a twitch stream (ghoto2 -> ffmpeg -> twitch) . It works good without audio, but twitch doesn't like the stream. Therefore I want to add a silent audio track. This I'm doing with the aevalsrc filter, but this gives me an DTS error for the flv output (i

Re: [FFmpeg-user] can not add audio code/fourcc

2015-02-16 Thread Sebastien WILLEMIJNS
On Sun, Feb 15, 2015, at 21:16, Carl Eugen Hoyos wrote: > Sebastien WILLEMIJNS willemijns.com> writes: > > > >Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), > > > 44100 Hz, stereo, fltp, 125 kb/s > > > > how to change the 0x00FF code on the audio part of this > > movie extract ? > > i

Re: [FFmpeg-user] can not add audio code/fourcc

2015-02-16 Thread Reindl Harald
Am 16.02.2015 um 14:55 schrieb Sebastien WILLEMIJNS: On Sun, Feb 15, 2015, at 21:16, Carl Eugen Hoyos wrote: Sebastien WILLEMIJNS willemijns.com> writes: Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), 44100 Hz, stereo, fltp, 125 kb/s how to change the 0x00FF code on the audio part

Re: [FFmpeg-user] can not add audio code/fourcc

2015-02-16 Thread Moritz Barsnick
On Mon, Feb 16, 2015 at 14:59:26 +0100, Reindl Harald wrote: > Am 16.02.2015 um 14:55 schrieb Sebastien WILLEMIJNS: > > sorry but i absolutly do not understand > > you f**g mail is a response to "[FFmpeg-user] Problem compiling ffmpeg > for armada375 cpu" with a changed subject man! > > Referenc

[FFmpeg-user] ERROR: libnut not found

2015-02-16 Thread Eng . Hany Ahmed
hello i try compile the ffmpeg i got this error at untu 14.10 64 bit ERROR: libnut not found If you think configure made a mistake, make sure you are using the latestversion from Git. If the latest version fails, report the problem to theffmpeg-u...@ffmpeg.org mailing list or IRC #ffmpeg on ir

Re: [FFmpeg-user] ERROR: libnut not found

2015-02-16 Thread Reindl Harald
Am 16.02.2015 um 16:52 schrieb Eng.Hany Ahmed: hello i try compile the ffmpeg i got this error at untu 14.10 64 bit ERROR: libnut not found If you think configure made a mistake, make sure you are using the latestversion from Git. If the latest version fails, report the problem to theffmpeg-u

Re: [FFmpeg-user] ERROR: libnut not found

2015-02-16 Thread Moritz Barsnick
On Mon, Feb 16, 2015 at 15:52:31 +, Eng.Hany Ahmed wrote: > hello i try compile the ffmpeg i got this error at untu 14.10 64 bit Did you even read the message you quoted? It says: > ERROR: libnut not found > If you think configure made a mistake, make sure you are using the > latestversion

Re: [FFmpeg-user] Reduce mux overhead of HLS stream creation

2015-02-16 Thread Claudiu Rad-Lohanel
On 2/16/2015 3:27 PM, Christian Ebert wrote: * Claudiu Rad-Lohanel on Monday, February 16, 2015 at 12:31:58 +0200 And to also clarify something: ffmpeg's overhead is ALWAYS bigger than Apple's mediafilesegmenter, no matter the bitrate. But I assume it tends to be more constant (or it grows slow

[FFmpeg-user] Video streams extraction from DVR

2015-02-16 Thread Gianluca Mei
Hi, my name is Gianluca and my job is extract video stream from DVR hard disk. For example when I extract the video stream from unallocated space of the hard disk partition I usually see that video with "FFplay", but there are commonly 4 or more channels in the stream that alternate each other ever

Re: [FFmpeg-user] Reduce mux overhead of HLS stream creation

2015-02-16 Thread Christian Ebert
* Claudiu Rad-Lohanel on Monday, February 16, 2015 at 20:05:50 +0200 > Can't this actually be related to the player (maybe not implementing > HLS standard 100% precisely)? Nope: $ ffprobe -v warning -show_entries format=duration http://media.blacktrash.org/ccc_trailer1.m3u8 [FORMAT] duration=254