tidy scripts

5 files changed, 60 insertions, 6 deletions

diff --git a/libmkv/.gitignore b/libmkv/.gitignore
index bc7a3df..e64455c 100644
--- a/libmkv/.gitignore
+++ b/libmkv/.gitignore
@@ -1,3 +1,10 @@
-/nut-3
 /nut-crc32
-*.nut
+
+/nut-generate
+/nut-generate.nut
+
+/changing-resolution-cam.webm
+/changing-resolution-cam.nut
+
+/changing-resolution-gen.*
+!/changing-resolution-gen.sh
diff --git a/libmkv/Archive.zip b/libmkv/Archive.zip
new file mode 100644
index 0000000..b4415b6
--- /dev/null
+++ b/libmkv/Archive.zip
diff --git a/libmkv/Makefile b/libmkv/Makefile
index 37b6944..a772f09 100644
--- a/libmkv/Makefile
+++ b/libmkv/Makefile
@@ -1,6 +1,34 @@
 CFLAGS = -Wall -Werror -Wextra
 
-all: $(patsubst %.c,%,$(wildcard *.c))
-clean:
-	rm -f -- $(patsubst %.c,%,$(wildcard *.c))
-	rm -f -- *.avi *.mkv
+all:
+.PHONY: all
+
+.NOTINTERMEDIATE:
+.DELETE_ON_ERROR:
+
+################################################################################
+
+all: nut-crc32
+
+################################################################################
+
+all: nut-generate.nut
+nut-generate.nut: %.nut: %
+	./$< >$@
+
+################################################################################
+
+all: changing-resolution-cam.nut
+changing-resolution-cam.nut: %.nut: %.webm
+	ffmpeg -y -i $< -c:v copy -an $@
+changing-resolution-cam.webm: Archive.zip
+	bsdtar xfO $< changing-resolution.webm >$@
+# Archive.zip is from https://github.com/OpenShot/libopenshot/issues/382
+
+################################################################################
+
+all: changing-resolution-gen.nut
+changing-resolution-gen.nut: %.nut: %.mkv
+	ffmpeg -y -i $< -c:v copy $@
+changing-resolution-gen.mkv: %.mkv: %.sh
+	./$<
diff --git a/libmkv/changing-resolution-gen.sh b/libmkv/changing-resolution-gen.sh
new file mode 100755
index 0000000..cbe637d
--- /dev/null
+++ b/libmkv/changing-resolution-gen.sh
@@ -0,0 +1,19 @@
+name=${0##*/}
+name=${name%.sh}
+
+rm -f -- "${name}.part1.mkv" "${name}.part2.mkv" "${name}.concat.txt" "${name}.mkv"
+
+# Create a 320x240 clip
+ffmpeg -f lavfi -t 2 -i testsrc=r=30:s=320x240 -c:v vp8 -level 3 -pix_fmt yuv420p "${name}.part1.mkv"
+
+# Create a 640x480 clip
+ffmpeg -f lavfi -t 2 -i testsrc=r=30:s=640x480 -c:v vp8 -level 3 -pix_fmt yuv420p "${name}.part2.mkv"
+
+# Create a text file with the list of files
+{
+	echo "file '${name}.part1.mkv'"
+	echo "file '${name}.part2.mkv'"
+} > "${name}.concat.txt"
+
+# Concatenate the clips
+ffmpeg -f concat -safe 0 -i "${name}.concat.txt" -c:v copy "${name}.mkv"
diff --git a/libmkv/nut-3.c b/libmkv/nut-generate.c
index a1270c6..a1270c6 100644
--- a/libmkv/nut-3.c
+++ b/libmkv/nut-generate.c