Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-30 Thread Marton Balint
On Fri, 28 Sep 2018, Jeyapal, Karthick wrote: On 9/28/18 2:58 AM, Marton Balint wrote: On Mon, 24 Sep 2018, Karthick J wrote: From: Karthick Jeyapal This option is useful for maintaining input synchronization across N different hardware devices deployed for 'N-way' redundancy. The syst

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-28 Thread Jeyapal, Karthick
On 9/27/18 6:49 PM, Devin Heitmueller wrote: > Hi Karthick, > > >>> >>> Another approch might be to store the wallclock frame time as some kind of >>> metadata (as it is done for "timecode") and then add the possiblity to >>> f_select to drop based on this. However the evaluation engine has no

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-28 Thread Jeyapal, Karthick
On 9/28/18 2:58 AM, Marton Balint wrote: > > > On Mon, 24 Sep 2018, Karthick J wrote: > > > From: Karthick Jeyapal > > > > This option is useful for maintaining input synchronization across N > > different hardware devices deployed for 'N-way' redundancy. > > The system time of different hardware

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-27 Thread Marton Balint
On Mon, 24 Sep 2018, Karthick J wrote: From: Karthick Jeyapal This option is useful for maintaining input synchronization across N different hardware devices deployed for 'N-way' redundancy. The system time of different hardware devices should be synchronized with protocols such as NTP or PT

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-27 Thread Devin Heitmueller
Hi Karthick, >> >> Another approch might be to store the wallclock frame time as some kind of >> metadata (as it is done for "timecode") and then add the possiblity to >> f_select to drop based on this. However the evaluation engine has no concept >> of complex objects (like frame, or frame m

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-27 Thread Jeyapal, Karthick
On 9/27/18 2:44 AM, Marton Balint wrote: > > > On Tue, 25 Sep 2018, Jeyapal, Karthick wrote: > >> >> On 9/24/18 7:42 PM, Devin Heitmueller wrote: >>> Hello Karthick, >>> >>> On Sep 24, 2018, at 7:49 AM, Karthick J wrote: From: Karthick Jeyapal This option is useful for m

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-26 Thread Marton Balint
On Tue, 25 Sep 2018, Jeyapal, Karthick wrote: On 9/24/18 7:42 PM, Devin Heitmueller wrote: Hello Karthick, On Sep 24, 2018, at 7:49 AM, Karthick J wrote: From: Karthick Jeyapal This option is useful for maintaining input synchronization across N different hardware devices deployed for

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-25 Thread Jeyapal, Karthick
On 9/24/18 7:42 PM, Devin Heitmueller wrote: > Hello Karthick, > > >> On Sep 24, 2018, at 7:49 AM, Karthick J wrote: >> >> From: Karthick Jeyapal >> >> This option is useful for maintaining input synchronization across N >> different hardware devices deployed for 'N-way' redundancy. >> The syste

Re: [FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-24 Thread Devin Heitmueller
Hello Karthick, > On Sep 24, 2018, at 7:49 AM, Karthick J wrote: > > From: Karthick Jeyapal > > This option is useful for maintaining input synchronization across N > different hardware devices deployed for 'N-way' redundancy. > The system time of different hardware devices should be synchron

[FFmpeg-devel] [PATCH] avdevice/decklink: Add option to align Capture start time

2018-09-24 Thread Karthick J
From: Karthick Jeyapal This option is useful for maintaining input synchronization across N different hardware devices deployed for 'N-way' redundancy. The system time of different hardware devices should be synchronized with protocols such as NTP or PTP, before using this option. --- doc/indevs