Re: [PATCH v4 1/2] media: add helpers for memory-to-memory media controller

2018-07-01 Thread Hans Verkuil
On 29/06/18 20:22, Ezequiel Garcia wrote: > A memory-to-memory pipeline device consists in three > entities: two DMA engine and one video processing entities. > The DMA engine entities are linked to a V4L interface. > > This commit add a new v4l2_m2m_{un}register_media_controller > API to register

[PATCH v4 1/2] media: add helpers for memory-to-memory media controller

2018-06-29 Thread Ezequiel Garcia
A memory-to-memory pipeline device consists in three entities: two DMA engine and one video processing entities. The DMA engine entities are linked to a V4L interface. This commit add a new v4l2_m2m_{un}register_media_controller API to register this topology. For instance, a typical mem2mem devic