From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] [WIP] lavc: add an av1_vulkan encoder
Date: Mon, 10 Mar 2025 23:17:34 +0100
Message-ID: <20250310221734.GR4991@pb2> (raw)
In-Reply-To: <20250310031713.76083-1-dev@lynne.ee>
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Hi Lynne
On Mon, Mar 10, 2025 at 04:17:04AM +0100, Lynne wrote:
> This commit adds a Vulkan AV1 encoder, using the native acceleration API.
>
> This commit and patchset needs more testing, hence WIP for now.
> ---
> configure | 1 +
> libavcodec/Makefile | 2 +
> libavcodec/allcodecs.c | 1 +
> libavcodec/vulkan_encode_av1.c | 1381 ++++++++++++++++++++++++++++++++
> libavcodec/vulkan_video.c | 82 ++
> libavcodec/vulkan_video.h | 4 +
> libavutil/hwcontext_vulkan.c | 2 +
> libavutil/vulkan_functions.h | 1 +
> libavutil/vulkan_loader.h | 1 +
> 9 files changed, 1475 insertions(+)
> create mode 100644 libavcodec/vulkan_encode_av1.c
[...]
> + if (fabs(avctx->b_quant_factor) > 0.0)
> + enc->q_idx_b =
> + av_clip((fabs(avctx->b_quant_factor) * enc->q_idx_p +
> + avctx->b_quant_offset) + 0.5,
> + 0, 255);
av_clip_uint8() (multiple)
[...]
> + .order_hint_bits_minus_1 = av_clip(av_log2(ctx->base.gop_size), 0, 7),
av_clip_uintp2()
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Take away the freedom of one citizen and you will be jailed, take away
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prev parent reply other threads:[~2025-03-10 22:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-10 3:17 Lynne
2025-03-10 22:17 ` Michael Niedermayer [this message]
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