From: Jamaika1 via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Jamaika1 <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PR] libkvazaar for 4:4:4 or 4:2:2 (PR #21389)
Date: Tue, 06 Jan 2026 10:26:45 -0000
Message-ID: <176769520574.25.12895672947578382135@4457048688e7> (raw)
PR #21389 opened by Jamaika1
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21389
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21389.patch
https://github.com/ultravideo/kvazaar/commits/444-format-revive/
Signed-off-by: Jamaika1 <lukaszcz18@wp.pl>
>From dc615af929b9e6ce3c2f10f8dacf467bee08f680 Mon Sep 17 00:00:00 2001
From: Jamaika1 <lukaszcz18@wp.pl>
Date: Tue, 6 Jan 2026 10:26:11 +0000
Subject: [PATCH] libkvazaar for 4:4:4 or 4:2:2
https://github.com/ultravideo/kvazaar/commits/444-format-revive/
Signed-off-by: Jamaika1 <lukaszcz18@wp.pl>
---
libavcodec/libkvazaar.c | 76 +++++++++++++++++++++++++++++++++++++----
1 file changed, 69 insertions(+), 7 deletions(-)
diff --git a/libavcodec/libkvazaar.c b/libavcodec/libkvazaar.c
index 908c7a0383..21f999467f 100644
--- a/libavcodec/libkvazaar.c
+++ b/libavcodec/libkvazaar.c
@@ -87,6 +87,27 @@ static av_cold int libkvazaar_init(AVCodecContext *avctx)
cfg->framerate_denom = avctx->time_base.num;
}
cfg->target_bitrate = avctx->bit_rate;
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV420P
+#if KVZ_BIT_DEPTH == 10
+ || avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE
+#endif
+ ) {
+ cfg->input_format = KVZ_FORMAT_P420;
+ } else if (avctx->pix_fmt == AV_PIX_FMT_YUV422P
+#if KVZ_BIT_DEPTH == 10
+ || avctx->pix_fmt == AV_PIX_FMT_YUV422P10LE
+#endif
+ ) {
+ cfg->input_format = KVZ_FORMAT_P422;
+ } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P
+#if KVZ_BIT_DEPTH == 10
+ || avctx->pix_fmt == AV_PIX_FMT_YUV444P10LE
+#endif
+ ) {
+ cfg->input_format = KVZ_FORMAT_P444;
+ } else {
+ return -1;
+ }
cfg->vui.sar_width = avctx->sample_aspect_ratio.num;
cfg->vui.sar_height = avctx->sample_aspect_ratio.den;
if (avctx->bit_rate) {
@@ -213,15 +234,49 @@ static int libkvazaar_encode(AVCodecContext *avctx,
input_pic->data[2],
NULL,
};
- int dst_linesizes[4] = {
- frame->width,
- frame->width / 2,
- frame->width / 2,
- 0
- };
- av_image_copy2(dst, dst_linesizes,
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV420P
+#if KVZ_BIT_DEPTH == 10
+ || avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE
+#endif
+ ) {
+ int dst_linesizes[4] = {
+ frame->width,
+ frame->width / 2,
+ frame->width / 2,
+ 0
+ };
+ av_image_copy2(dst, dst_linesizes,
frame->data, frame->linesize,
frame->format, frame->width, frame->height);
+ } else if (avctx->pix_fmt == AV_PIX_FMT_YUV422P
+#if KVZ_BIT_DEPTH == 10
+ || avctx->pix_fmt == AV_PIX_FMT_YUV422P10LE
+#endif
+ ) {
+ int dst_linesizes[4] = {
+ frame->width,
+ frame->width / 2,
+ frame->width,
+ 0
+ };
+ av_image_copy2(dst, dst_linesizes,
+ frame->data, frame->linesize,
+ frame->format, frame->width, frame->height);
+ } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P
+#if KVZ_BIT_DEPTH == 10
+ || avctx->pix_fmt == AV_PIX_FMT_YUV444P10LE
+#endif
+ ) {
+ int dst_linesizes[4] = {
+ frame->width,
+ frame->width,
+ frame->width,
+ 0
+ };
+ av_image_copy2(dst, dst_linesizes,
+ frame->data, frame->linesize,
+ frame->format, frame->width, frame->height);
+ }
}
input_pic->pts = frame->pts;
@@ -294,6 +349,13 @@ done:
}
static const enum AVPixelFormat pix_fmts[] = {
+#if KVZ_BIT_DEPTH == 10
+ AV_PIX_FMT_YUV444P10LE
+ AV_PIX_FMT_YUV422P10LE
+ AV_PIX_FMT_YUV420P10LE
+#endif
+ AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE
};
--
2.49.1
_______________________________________________
ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org
To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org
reply other threads:[~2026-01-06 10:27 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=176769520574.25.12895672947578382135@4457048688e7 \
--to=ffmpeg-devel@ffmpeg.org \
--cc=code@ffmpeg.org \
/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
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git