Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-05 Thread Hans de Goede
Hi, On 05-10-18 13:55, Mauro Carvalho Chehab wrote: Em Mon, 1 Oct 2018 18:19:21 +0100 Dave Stevenson escreveu: Hi All, On Mon, 1 Oct 2018 at 17:32, Ezequiel Garcia wrote: Hi Hans, Thanks for looking into. I remember MJPEG vs. JPEG being a source of confusion for me a few years ago, so

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-05 Thread Mauro Carvalho Chehab
Em Mon, 1 Oct 2018 18:19:21 +0100 Dave Stevenson escreveu: > Hi All, > > On Mon, 1 Oct 2018 at 17:32, Ezequiel Garcia wrote: > > > > Hi Hans, > > > > Thanks for looking into. I remember MJPEG vs. JPEG being a source > > of confusion for me a few years ago, so clarification is greatly > >

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-05 Thread Mauro Carvalho Chehab
Em Mon, 01 Oct 2018 08:42:56 -0400 Nicolas Dufresne escreveu: > Hello Hans, > > Le lundi 01 octobre 2018 à 10:43 +0200, Hans Verkuil a écrit : > > It turns out that we have both JPEG and Motion-JPEG pixel formats defined. > > > > Furthermore, some drivers support one, some the other and some

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Dave Stevenson
Hi All, On Mon, 1 Oct 2018 at 17:32, Ezequiel Garcia wrote: > > Hi Hans, > > Thanks for looking into. I remember MJPEG vs. JPEG being a source > of confusion for me a few years ago, so clarification is greatly > welcome :-) > > On Mon, 2018-10-01 at 15:03 +0300, Laurent Pinchart wrote: > > Hi

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Laurent Pinchart
Hi Hans, On Monday, 1 October 2018 19:28:58 EEST Hans Verkuil wrote: > On 10/01/2018 06:12 PM, Ezequiel Garcia wrote: > > On Mon, 2018-10-01 at 08:42 -0400, Nicolas Dufresne wrote: > >> Le lundi 01 octobre 2018 à 10:43 +0200, Hans Verkuil a écrit : > >>> It turns out that we have both JPEG and

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Ezequiel Garcia
Hi Hans, Thanks for looking into. I remember MJPEG vs. JPEG being a source of confusion for me a few years ago, so clarification is greatly welcome :-) On Mon, 2018-10-01 at 15:03 +0300, Laurent Pinchart wrote: > Hi Hans, > > On Monday, 1 October 2018 14:54:29 EEST Hans Verkuil wrote: > > On

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Hans Verkuil
On 10/01/2018 06:12 PM, Ezequiel Garcia wrote: > On Mon, 2018-10-01 at 08:42 -0400, Nicolas Dufresne wrote: >> Hello Hans, >> >> Le lundi 01 octobre 2018 à 10:43 +0200, Hans Verkuil a écrit : >>> It turns out that we have both JPEG and Motion-JPEG pixel formats defined. >>> >>> Furthermore, some

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Ezequiel Garcia
On Mon, 2018-10-01 at 08:42 -0400, Nicolas Dufresne wrote: > Hello Hans, > > Le lundi 01 octobre 2018 à 10:43 +0200, Hans Verkuil a écrit : > > It turns out that we have both JPEG and Motion-JPEG pixel formats defined. > > > > Furthermore, some drivers support one, some the other and some both.

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Laurent Pinchart
Hello, On Monday, 1 October 2018 15:42:56 EEST Nicolas Dufresne wrote: > Le lundi 01 octobre 2018 à 10:43 +0200, Hans Verkuil a écrit : > > It turns out that we have both JPEG and Motion-JPEG pixel formats defined. > > > > Furthermore, some drivers support one, some the other and some both. > >

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Nicolas Dufresne
Hello Hans, Le lundi 01 octobre 2018 à 10:43 +0200, Hans Verkuil a écrit : > It turns out that we have both JPEG and Motion-JPEG pixel formats defined. > > Furthermore, some drivers support one, some the other and some both. > > These pixelformats both mean the same. > > I propose that we

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Laurent Pinchart
Hi Hans, On Monday, 1 October 2018 14:54:29 EEST Hans Verkuil wrote: > On 10/01/2018 01:48 PM, Laurent Pinchart wrote: > > On Monday, 1 October 2018 11:43:04 EEST Hans Verkuil wrote: > >> It turns out that we have both JPEG and Motion-JPEG pixel formats > >> defined. > >> > >> Furthermore, some

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Hans Verkuil
On 10/01/2018 01:48 PM, Laurent Pinchart wrote: > Hi Hans, > > On Monday, 1 October 2018 11:43:04 EEST Hans Verkuil wrote: >> It turns out that we have both JPEG and Motion-JPEG pixel formats defined. >> >> Furthermore, some drivers support one, some the other and some both. >> >> These

Re: [RFC] V4L2_PIX_FMT_MJPEG vs V4L2_PIX_FMT_JPEG

2018-10-01 Thread Laurent Pinchart
Hi Hans, On Monday, 1 October 2018 11:43:04 EEST Hans Verkuil wrote: > It turns out that we have both JPEG and Motion-JPEG pixel formats defined. > > Furthermore, some drivers support one, some the other and some both. > > These pixelformats both mean the same. Do they ? I thought MJPEG was