On 8/11/2021 4:42 PM, Soft Works wrote:


-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of
Haihao Xiang
Sent: Wednesday, 11 August 2021 08:44
To: ffmpeg-devel@ffmpeg.org
Cc: Haihao Xiang <haihao.xi...@intel.com>
Subject: [FFmpeg-devel] [PATCH] ffmpeg_hw: Don't ignore key
parameters when initializing a hw device

Currently user may use '-init_hw_device type=name' to initialize a hw
device, however the key parameter is ignored when use '-
init_hw_device
type=name,key=value'. After applying this patch, user may set key
parameter if needed.
---
  fftools/ffmpeg_hw.c | 16 +++++++++++++++-
  1 file changed, 15 insertions(+), 1 deletion(-)


This makes sense as it allows to further simplify hw initialization
command lines.

As an example, you can write

-init_hw_device qsv=qd,child_device=1

Instead of

-init_hw_device qsv=qd:hw_any,child_device=1

So besides the former being shorter, it also saves the user from
needing to remember 'hw_any' (or hw, hw2, hw3, hw4 matching the
child_device param on Windows).

LGTM.

softworkz

Pushed, thanks.
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