Re: [FFmpeg-devel] [PATCH 0/2] nvenc: Fix inaccurate use of YUV444P16 format

2017-02-02 Thread Philip Langdale
On 2017-02-02 00:15, Carl Eugen Hoyos wrote: 2017-02-01 23:54 GMT+01:00 Philip Langdale : We have been pretending that the nvenc YUV444P10 format is our YUV444P16 format, and this is not a good idea. It leads to us failing to dither >10bit content when transcoding Could you provide samples for

Re: [FFmpeg-devel] [PATCH 0/2] nvenc: Fix inaccurate use of YUV444P16 format

2017-02-02 Thread Carl Eugen Hoyos
2017-02-01 23:54 GMT+01:00 Philip Langdale : > We have been pretending that the nvenc YUV444P10 format is our > YUV444P16 format, and this is not a good idea. It leads to us > failing to dither >10bit content when transcoding Could you provide samples for me (or explain how I can reproduce this) t

[FFmpeg-devel] [PATCH 0/2] nvenc: Fix inaccurate use of YUV444P16 format

2017-02-01 Thread Philip Langdale
We have been pretending that the nvenc YUV444P10 format is our YUV444P16 format, and this is not a good idea. It leads to us failing to dither >10bit content when transcoding and also results in encoded files with 4:4:4 sampling which are almost certainly not what the user wants. Philip Langdale (