From: Nicolas Dufresne <nicolas.dufresne@collabora.com>
To: <wbieganski@baylibre.com>
Cc: <zhentao.guo@amlogic.com>, <neil.armstrong@linaro.org>,
<khilman@baylibre.com>, <jbrunet@baylibre.com>,
<martin.blumenstingl@googlemail.com>, <mchehab@kernel.org>,
<robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
<devicetree@vger.kernel.org>,
<krzysztof.kozlowski@oss.qualcomm.com>
Subject: Re: [PATCH v12 0/6] Add Amlogic stateless H.264 video decoder for S4
Date: Fri, 30 Oct 2026 11:10:03 -0400 [thread overview]
Message-ID: <1a18d5c5f7f.3e45f382588509.8172330954347509989@collabora.com> (raw)
In-Reply-To: <179337024629.131241.9227206619077693683.b4-reply@b4>
Hi,
---- Le ven., 30 oct. 2026 10:24:06 -0400 wbieganski@baylibre.com a écrit ----
> Hi,
> I tested v12 series on AQ222 board with v7.2-rc1. Firmware version:
> 'v0.4.ff.I0c83495.75444b3' build 'Thu Apr 16 18:18:55 2026'.
That reminded me, is that firmware in linux-firmware?
Nicolas
>
> RAW NV12 frames at the decoder output were visually OK across typical
> resolutions and H.264 profiles (main, high, baseline) with and without
> B-frames in the stream, also with I-frames only streams. I used Gstreamer's
> (ver. 1.26) 'v4l2slh264dec' element on Trixie with both mmap and DMA-bufs
> buffering (on the capture queue only). Input bitstreams where
> FFmpeg-generated (testsrc2 + libx264) or publicly available test videos.
>
> Decoder (and the output) remained stable with simulated (non key) frame
> drop at max resolution (1920x1088, noise generated by FFmpeg's bitstream
> filter).
>
> The performance at max resolution, tested with 'filesrc ! parsebin !
> v4l2slh264dec ! fakevideosink' pipeline was ~85 fps (fixed number of
> outputted frames divided by the total execution time).
>
> Tested-by: Wojciech Biegański
>
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
prev parent reply other threads:[~2026-10-30 15:10 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-22 5:26 Zhentao Guo via B4 Relay
2026-10-22 5:26 ` [PATCH v12 1/6] firmware: meson: sm: video firmware loading via secure monitor Zhentao Guo via B4 Relay
2026-10-22 5:27 ` [PATCH v12 2/6] firmware: meson: sm: Add video firmware loading SMC call Zhentao Guo via B4 Relay
2026-10-22 5:27 ` [PATCH v12 3/6] media: dt-bindings: Add Amlogic V4L2 video decoder Zhentao Guo via B4 Relay
2026-10-30 11:27 ` Krzysztof Kozlowski
2026-10-30 11:57 ` Zhentao Guo
2026-10-22 5:27 ` [PATCH v12 4/6] decoder: Add V4L2 stateless H.264 decoder driver Zhentao Guo via B4 Relay
2026-10-30 11:30 ` Krzysztof Kozlowski
2026-10-30 11:51 ` Zhentao Guo
2026-10-22 5:27 ` [PATCH v12 5/6] arm64: dts: amlogic: Add video decoder driver support for S4 SOCs Zhentao Guo via B4 Relay
2026-10-22 6:01 ` sashiko-bot
2026-10-23 11:25 ` Zhentao Guo
2026-10-22 5:27 ` [PATCH v12 6/6] arm64: defconfig: Enable CONFIG_VIDEO_AMLOGIC_VDEC Zhentao Guo via B4 Relay
2026-10-22 5:53 ` sashiko-bot
2026-10-23 9:46 ` Zhentao Guo
2026-10-30 14:24 ` [PATCH v12 0/6] Add Amlogic stateless H.264 video decoder for S4 Wojciech Biegański
2026-10-30 15:10 ` Nicolas Dufresne [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1a18d5c5f7f.3e45f382588509.8172330954347509989@collabora.com \
--to=nicolas.dufresne@collabora.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=jbrunet@baylibre.com \
--cc=khilman@baylibre.com \
--cc=krzk+dt@kernel.org \
--cc=krzysztof.kozlowski@oss.qualcomm.com \
--cc=linux-amlogic@lists.infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=martin.blumenstingl@googlemail.com \
--cc=mchehab@kernel.org \
--cc=neil.armstrong@linaro.org \
--cc=robh@kernel.org \
--cc=wbieganski@baylibre.com \
--cc=zhentao.guo@amlogic.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®