Re: [FFmpeg-devel] Stereo channel layout mapping

2014-08-08 Thread Robert Krüger
On Fri, Aug 8, 2014 at 2:31 AM, Michael Niedermayer wrote: > On Thu, Aug 07, 2014 at 04:52:43PM +0200, Robert Krüger wrote: >> Hi, >> >> could someone explain, what the difference between those two is and >> when to use which one? >> >> #define AV_CH_LAYOUT_STEREO(AV_CH_FRONT_LEFT|AV_C

Re: [FFmpeg-devel] Stereo channel layout mapping

2014-08-07 Thread Michael Niedermayer
On Thu, Aug 07, 2014 at 04:52:43PM +0200, Robert Krüger wrote: > Hi, > > could someone explain, what the difference between those two is and > when to use which one? > > #define AV_CH_LAYOUT_STEREO(AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT) > #define AV_CH_LAYOUT_STEREO_DOWNMIX(AV_CH_STE

[FFmpeg-devel] Stereo channel layout mapping

2014-08-07 Thread Robert Krüger
Hi, could someone explain, what the difference between those two is and when to use which one? #define AV_CH_LAYOUT_STEREO(AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT) #define AV_CH_LAYOUT_STEREO_DOWNMIX(AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT) E.g. when I extract metadata and want to use th