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* [RFC PATCH 00/11] VC8000E H.264 V4L2 Stateless Encoder
@ 2025-05-02 15:05 Marco Felsch
  2025-05-02 15:05 ` [RFC PATCH 01/11] media: Introduce Hantro V4L2 H.264 stateless encoding API Marco Felsch
                   ` (11 more replies)
  0 siblings, 12 replies; 23+ messages in thread
From: Marco Felsch @ 2025-05-02 15:05 UTC (permalink / raw)
  To: nicolas.dufresne, benjamin.gaignard, p.zabel, mchehab, shawnguo,
	Sascha Hauer, kernel, festevam, robh, krzk+dt, conor+dt, paulk,
	hverkuil, laurent.pinchart, sebastian.fricke, ming.qian
  Cc: linux-kernel, linux-media, linux-rockchip, imx, linux-arm-kernel,
	devicetree

Hi all,

this RFC implements the kernel V4L2 stateless encoding counter part for
the Verisilicon VC8000E encoder. The encoder is capable of H.264 and
H.265 encoding and can be found on several SoCs e.g. NXP i.MX8MP.

The RFC is based on Pauls initial attempts [1].

This patchset is still in a *very very* early state since the uAPI handling
still needs to be figured out. It's clearly not for productive use yet!
The only reason of publishing the driver in this early state is to align
with other developers also working on V4L2 stateless H.264 encoding.

That said, paired with the GStreamer userspace [2] the driver is capable
of:
 * H.264 encoding
 * I/P frame handling
 * Arbitrary frame sizes
 * YUV420M input

Note: Be aware that the GStreamer element [2] is in a *very* early state
too, so don't expect to much. There are limitations like: the element
requires to work on its own buffers, so there is no fast-path and
always a copy involved.

@DT folks
The dt-bindings are missing yet.

[1] https://github.com/bootlin/linux/tree/hantro/h264-encoding-v5.11
[2] https://gitlab.freedesktop.org/dude/gstreamer/-/tree/h264-stateless-encoder

Regards,
  Marco

Marco Felsch (7):
  arm64: dts: imx8mp: drop gpcv2 vpu power-domains and clocks
  arm64: dts: imx8mp: add VC8000E encoder node
  arm64: dts: imx8mp: fix VPU_BUS clock setting
  media: hantro: use hantro_decoded_buffer only for dst_vq
  media: verisilicon: add H264 encoder support
  media: verisilicon: split read/write debug
  media: hantro: add support for i.MX8MP VC8000E

Michael Tretter (3):
  media: uapi: add documentation for the V4L2 H.264 stateless encoding
    API
  media: uapi: add nal unit header fields to encode_params
  media: uapi: add more V4L2_H264_ENCODE_FLAGs

Paul Kocialkowski (1):
  media: Introduce Hantro V4L2 H.264 stateless encoding API

-- 
2.39.5


^ permalink raw reply	[flat|nested] 23+ messages in thread

end of thread, other threads:[~2025-06-10 18:19 UTC | newest]

Thread overview: 23+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-05-02 15:05 [RFC PATCH 00/11] VC8000E H.264 V4L2 Stateless Encoder Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 01/11] media: Introduce Hantro V4L2 H.264 stateless encoding API Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 02/11] media: uapi: add documentation for the " Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 03/11] media: uapi: add nal unit header fields to encode_params Marco Felsch
2025-05-02 16:38   ` Nicolas Dufresne
2025-05-02 15:05 ` [RFC PATCH 04/11] media: uapi: add more V4L2_H264_ENCODE_FLAGs Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 05/11] arm64: dts: imx8mp: drop gpcv2 vpu power-domains and clocks Marco Felsch
2025-05-02 16:30   ` Adam Ford
2025-05-02 16:53     ` Marco Felsch
2025-05-28  2:40   ` Adam Ford
2025-05-02 15:05 ` [RFC PATCH 06/11] arm64: dts: imx8mp: add VC8000E encoder node Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 07/11] arm64: dts: imx8mp: fix VPU_BUS clock setting Marco Felsch
2025-05-02 16:52   ` Adam Ford
2025-05-02 16:55     ` Marco Felsch
2025-05-28  3:05       ` Adam Ford
2025-05-28  8:42         ` Marco Felsch
2025-05-28 14:14         ` Nicolas Dufresne
2025-05-28 14:47           ` Adam Ford
2025-05-02 15:05 ` [RFC PATCH 08/11] media: hantro: use hantro_decoded_buffer only for dst_vq Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 09/11] media: verisilicon: add H264 encoder support Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 10/11] media: verisilicon: split read/write debug Marco Felsch
2025-05-02 15:05 ` [RFC PATCH 11/11] media: hantro: add support for i.MX8MP VC8000E Marco Felsch
2025-06-10 18:19 ` [RFC PATCH 00/11] VC8000E H.264 V4L2 Stateless Encoder Nicolas Dufresne

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