Re: [PATCH v3 0/3] Add Amlogic video decoder driver
From: Hans Verkuil
Date: Mon Oct 01 2018 - 06:30:01 EST
On 09/28/2018 04:28 PM, Maxime Jourdan wrote:
> Hi everyone,
>
> This patch series adds support for the Amlogic video decoder,
> as well as the corresponding dt bindings for GXBB/GXL/GXM chips.
>
> It features decoding for the following formats:
> - MPEG 1
> - MPEG 2
>
> The following formats will be added in future patches:
> - MJPEG
> - MPEG 4 (incl. Xvid, H.263)
> - H.264
> - HEVC (incl. 10-bit)
>
> The following formats' development has still not started, but they are
> supported by the hardware:
> - VC1
> - VP9
>
> The code was made in such a way to allow easy inclusion of those formats
> in the future.
>
> The decoder is single instance.
>
> Files:
> - vdec.c handles the V4L2 M2M logic
> - esparser.c manages the hardware bitstream parser
> - vdec_helpers.c provides helpers to DONE the dst buffers as well as
> various common code used by the codecs
> - vdec_1.c manages the VDEC_1 block of the vdec IP
> - codec_mpeg12.c enables decoding for MPEG 1/2.
> - vdec_platform.c links codec units with vdec units
> (e.g vdec_1 with codec_mpeg12) and lists all the available
> src/dst formats and requirements (max width/height, etc.),
> per compatible chip.
>
> Firmwares are necessary to run the vdec. They can currently be found at:
> https://github.com/chewitt/meson-firmware
Are you trying to get this into the linux-firmware repository?
I believe that Mauro requires that before he will merge this driver.
So I think this driver will be ready to be merged once v4 is posted,
dt-bindings is Acked and the firmware is merged to the linux-firmware repo.
Regards,
Hans