Chapters

zed · 22nd December 2001, 02:48

Hi,

I created some chapters in a video stream using CCE before setting it to encode and when i loaded the MPEG2 file in to my authoring program it could not see the chapters. What is the point of the chapter option if it does not set them??

Am I doing this wrong?

Any advice appreciated.

Cheers

Zed

Kedirekin · 22nd December 2001, 04:44

I believe the chapters option in CCE just insures that the frame (i.e. time) you've chosen is encoded as an i-frame. For professional authoring, you need to ensure that a chapter point falls on an i-frame so there is no delay when the user skips to that point.

I believe that is all that CCE does for chapters. Chapter entry points are not part of the elementary video stream, which is all that CCE is responsible for. If I'm not mistaken, actually setting the entry points is a function of muxing, not encoding.

And playback control (which many players need in order to support chapters) is a function of authoring.

zed · 22nd December 2001, 09:13

Ok thanks for the help, I thought that was the case, shame though cause it would have been nice and quick that way

cheers

Zed

22nd December 2001, 02:48	#1 \| Link
zed Registered User Join Date: Dec 2001 Posts: 27	Chapters Hi, I created some chapters in a video stream using CCE before setting it to encode and when i loaded the MPEG2 file in to my authoring program it could not see the chapters. What is the point of the chapter option if it does not set them?? Am I doing this wrong? Any advice appreciated. Cheers Zed

22nd December 2001, 04:44	#2 \| Link
Kedirekin Registered User Join Date: Oct 2001 Location: Minnesota Posts: 1,110	I believe the chapters option in CCE just insures that the frame (i.e. time) you've chosen is encoded as an i-frame. For professional authoring, you need to ensure that a chapter point falls on an i-frame so there is no delay when the user skips to that point. I believe that is all that CCE does for chapters. Chapter entry points are not part of the elementary video stream, which is all that CCE is responsible for. If I'm not mistaken, actually setting the entry points is a function of muxing, not encoding. And playback control (which many players need in order to support chapters) is a function of authoring.

22nd December 2001, 09:13	#3 \| Link
zed Registered User Join Date: Dec 2001 Posts: 27	Ok thanks for the help, I thought that was the case, shame though cause it would have been nice and quick that way cheers Zed