From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 16 Jan 2024 11:39:15 +0000 (+0000)
Subject: index: Improve video quality/compression
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9fdef9f73254f0bc485b8dde33b955b3b494a8f7;p=ipfire.org.git

index: Improve video quality/compression

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/Makefile.am b/Makefile.am
index 538918bb..bc6fb860 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1180,27 +1180,32 @@ src/static/videos/firewall@%.av1.mp4: src/static/videos/firewall.mp4
 		-map_metadata -1 \
 		-an \
 		-c:v libsvtav1 \
+		-b:v 0 \
 		-crf 31 \
-		-preset 5 \
+		-strict experimental \
+		-preset 3 \
 		-pix_fmt yuv420p \
 		-movflags +faststart \
-		-vf scale=$(patsubst src/static/videos/firewall@%.av1.mp4,%,$@):-2,fps=25 \
+		-vf scale=$(patsubst src/static/videos/firewall@%.av1.mp4,%,$@):-2:flags=lanczos,fps=25 \
+		$(FFMPEG_MT) \
 		$@
 
 # H.256
-src/static/videos/firewall@%.h256.mp4: src/static/videos/firewall.mp4
+src/static/videos/firewall@%.h265.mp4: src/static/videos/firewall.mp4
 	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
 	$(FFMPEG) -y \
 		-i $^ \
 		-map_metadata -1 \
 		-an \
 		-c:v libx265 \
-		-crf 25 \
+		-b:v 0 \
+		-crf 27 \
 		-preset veryslow \
 		-pix_fmt yuv420p \
 		-movflags +faststart \
 		-tag:v hvc1 \
-		-vf scale=$(patsubst src/static/videos/firewall@%.h256.mp4,%,$@):-2,fps=25 \
+		-vf scale=$(patsubst src/static/videos/firewall@%.h265.mp4,%,$@):-2:flags=lanczos,fps=25 \
+		$(FFMPEG_MT) \
 		$@
 
 # H.264
@@ -1211,12 +1216,14 @@ src/static/videos/firewall@%.h264.mp4: src/static/videos/firewall.mp4
 		-map_metadata -1 \
 		-an \
 		-c:v libx264 \
+		-b:v 0 \
 		-crf 27 \
 		-preset veryslow \
 		-profile:v main \
 		-pix_fmt yuv420p \
 		-movflags +faststart \
-		-vf scale=$(patsubst src/static/videos/firewall@%.h264.mp4,%,$@):-2,fps=25 \
+		-vf scale=$(patsubst src/static/videos/firewall@%.h264.mp4,%,$@):-2:flags=lanczos,fps=25 \
+		$(FFMPEG_MT) \
 		$@
 
 # VP9