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mkshort_test.go
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package main
import (
"testing"
"strings"
"path/filepath"
"text/template"
"os"
)
// XXX assumed to exists AND to be absolute, which is
// otherwise guaranteed by 'mkshort.go:/^func doInit\('
var D = filepath.Join(os.Getenv("PWD"), ".cache")
// The default template './mkshort.go:/^var textTmpl' has change, and will
// change in the future. This should be sufficient for tests.
//
// NOTE/TODO: the template delimiters were changed; this still works but we
// should rely on the S.delim* here instead of assuming an implicit value.
var T = `\documentclass[preview,convert={density=600,outext=.png,command=\unexpanded{ {\convertexe\space -density \density\space\infile\space \ifx\size\empty\else -resize \size\fi\space -quality 90 -trim +repage -background "rgba(50,50,50,0.5)" -bordercolor "rgba(50,50,50,0.5)" -border 25 -flatten \outfile} } }]{standalone}
% Requires lualatex
\usepackage{emoji}
\usepackage{xcolor}
\usepackage{amsmath}
\begin{document}
\begin{center}
\textcolor{white}{ {{ .text }} }
\end{center}
\end{document}
`
func TestCompile(t *testing.T) {
doTests(t, []test{
// Generated command might be invalid in some cases
{
"~empty input, ~no config",
compile,
[]any{
[]string{},
[]string{},
[]string{},
[]string{},
"",
&State{
faststart : false,
overwrite : false,
width : 0,
height : 0,
framerate : 0,
defaultWait : 0.8,
indent : "\t",
input : nil,
output : "",
pixFmt : "",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
}, []any{
`ffmpeg \
-filter_complex "
concat=n=0:v=1:a=0:unsafe=1 [v]
" \
-map "[v]" ""`,
},
},
{
"~empty input, overwrite",
compile,
[]any{
[]string{},
[]string{},
[]string{},
[]string{},
"",
&State{
faststart : false,
overwrite : true,
width : 0,
height : 0,
framerate : 0,
defaultWait : 0.8,
indent : "\t",
input : nil,
output : "",
pixFmt : "",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
}, []any{
`ffmpeg -y \
-filter_complex "
concat=n=0:v=1:a=0:unsafe=1 [v]
" \
-map "[v]" ""`,
},
},
{
"~empty input, overwrite/pix_fmt/framerate/output",
compile,
[]any{
[]string{},
[]string{},
[]string{},
[]string{},
"",
&State{
faststart : false,
overwrite : true,
width : 0,
height : 0,
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : nil,
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
}, []any{
`ffmpeg -y \
-filter_complex "
concat=n=0:v=1:a=0:unsafe=1 [v]
" \
-pix_fmt yuv420p -r 30 -map "[v]" "reel.mp4"`,
},
},
{
"One file, one text, but it's just a pause",
compile,
[]any{
[]string{
`-r 1 -t 2.00 -loop 1 -i "/tmp/foo.jpg"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
},
[]string{},
[]string{"[in0]"},
"",
&State{
faststart : true,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : nil,
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
}, []any{
`ffmpeg -y \
-r 1 -t 2.00 -loop 1 -i "/tmp/foo.jpg" \
-filter_complex "
[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0];
[in0] concat=n=1:v=1:a=0:unsafe=1 [v]
" \
-pix_fmt yuv420p -r 30 -movflags faststart -map "[v]" "reel.mp4"`,
},
},
{
"One file, one text (not a pause)",
compile,
[]any{
[]string{
`-r 1 -t 2.00 -loop 1 -i "/tmp/foo.jpg"`,
`-i "`+filepath.Join(
D,
"a4795a4ae1128364caeffcaa73115cfcea550ca6da13adbbdd8e94e5d0f95b27.png",
)+`"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
},
[]string{
"[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.00,2.00)' [in0,1]",
},
[]string{"[in0,1]"},
"",
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : nil,
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : D,
textTmpl : S.textTmpl, // './mkshort.go:/^var textTmpl'
tmpl : nil,
latexCmd : "lualatex",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
// XXX filepath.Join()
}, []any{
`ffmpeg -y \
-r 1 -t 2.00 -loop 1 -i "/tmp/foo.jpg" \
-i "`+D+"/"+`a4795a4ae1128364caeffcaa73115cfcea550ca6da13adbbdd8e94e5d0f95b27.png" \
-filter_complex "
[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0];
[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.00,2.00)' [in0,1];
[in0,1] concat=n=1:v=1:a=0:unsafe=1 [v]
" \
-pix_fmt yuv420p -r 30 -map "[v]" "reel.mp4"`,
},
},
{
"One file, one text (not a pause), audio track",
compile,
[]any{
[]string{
`-r 1 -t 2.00 -loop 1 -i "/tmp/foo.jpg"`,
`-i "`+filepath.Join(
D,
"a4795a4ae1128364caeffcaa73115cfcea550ca6da13adbbdd8e94e5d0f95b27.png",
)+`"`,
`-i "foo.mp3"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
},
[]string{
"[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.00,2.00)' [in0,1]",
},
[]string{"[in0,1]"},
"[2:a] afade=type=in:start_time=0:duration=4.00, afade=type=out:start_time=-1.00:duration=5.00 [a]",
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : nil,
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : D,
textTmpl : S.textTmpl, // './mkshort.go:/^var textTmpl'
tmpl : nil,
latexCmd : "lualatex",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
// XXX filepath.Join()
}, []any{
`ffmpeg -y \
-r 1 -t 2.00 -loop 1 -i "/tmp/foo.jpg" \
-i "`+D+"/"+`a4795a4ae1128364caeffcaa73115cfcea550ca6da13adbbdd8e94e5d0f95b27.png" \
-i "foo.mp3" \
-filter_complex "
[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0];
[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.00,2.00)' [in0,1];
[in0,1] concat=n=1:v=1:a=0:unsafe=1 [v];
[2:a] afade=type=in:start_time=0:duration=4.00, afade=type=out:start_time=-1.00:duration=5.00 [a]
" \
-pix_fmt yuv420p -r 30 -map "[v]" -map "[a]" -c:a aac -shortest "reel.mp4"`,
},
},
})
}
func TestParse(t *testing.T) {
doTests(t, []test{
{
"no input",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 0,
height : 0,
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(``),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{},
[]string{},
[]string{},
[]string{},
"",
nil,
},
},
{
"just comments",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 0,
height : 0,
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(
"# hello, world\n#foo bar\n",
),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : "",
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{},
[]string{},
[]string{},
[]string{},
"",
nil,
},
},
{
"One image, no texts",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(`:/tmp/foo.jpg`),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 0.00 -loop 1 -i "/tmp/foo.jpg"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
},
[]string{},
[]string{"[in0]"},
"",
nil,
},
},
{
"Two images, no texts",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(
":/tmp/foo.jpg\n:/tmp/bar.jpg",
),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 0.00 -loop 1 -i "/tmp/foo.jpg"`,
`-r 30 -t 0.00 -loop 1 -i "/tmp/bar.jpg"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
"[1:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in1]",
},
[]string{},
[]string{
"[in0]",
"[in1]",
},
"",
nil,
},
},
{
"One image, empty text",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(
":/tmp/foo.jpg\n0 2\n",
),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 2.00 -loop 1 -i "/tmp/foo.jpg"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
},
[]string{},
[]string{"[in0]"},
"",
nil,
},
},
{
"Two images, no texts but pauses",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(
":/tmp/foo.jpg\n0 2\n:/tmp/bar.jpg\n+ 3.5",
),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : "",
textTmpl : T,
tmpl : nil,
latexCmd : "",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 2.00 -loop 1 -i "/tmp/foo.jpg"`,
`-r 30 -t 3.50 -loop 1 -i "/tmp/bar.jpg"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
"[1:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in1]",
},
[]string{},
[]string{
"[in0]",
"[in1]",
},
"",
nil,
},
},
{
"One image, non-empty text",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(
":/tmp/foo.jpg\n0 2\n\thello, world!",
),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : D,
textTmpl : T,
tmpl : template.Must(template.New("").Parse(T)),
latexCmd : "lualatex",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 2.00 -loop 1 -i "/tmp/foo.jpg"`,
`-i "`+
filepath.Join(
D,
"a4795a4ae1128364caeffcaa73115cfcea550ca6da13adbbdd8e94e5d0f95b27.png",
)+`"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
},
[]string{
"[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.00,2.00)' [in0,1]",
},
[]string{"[in0,1]"},
"",
nil,
},
},
{
"Complete test: Virgin of the rocks",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(`
# This is a comment; will be ignored
:virgin-of-the-rocks-paris.jpg
0.7 3.5
Here is what seems \\
to be \\
a little-known fact \\
# Another comments
+0.7 3
About this famous \\
# Comments are okay anywhere as long as the line starts with a '#'
Leonardo painting, \\
+0.7 3
« Virgin of the Rocks »: \\
+0.7 3
Of the four characters \\
+0.7 3
Jesus, the \\
bottom right child \\
+0.7 5
Is the only one \\
looking at the \\
\textit{Source of Light} \\
\emoji{face-in-clouds} \\
+0.7 3
Pay attention to his \\
chest and eyes \\
+0.7 2
+0.7 4
The source of light can \\
be deduced from the \\
highlights and shadow \\
patterns. \\
+0.7 1
:virgin-of-the-rocks-london.jpg
+0.7 4
This also holds in the \\
"London" version of the \\
painting \\
+0.7 2
+0.7 2.5
I am not sure how \\
well-known this is \\
+0.7 3
But I have not found it \\
mentioned anywhere, \\
so far \\
+0.7 3
`),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : D,
textTmpl : T,
tmpl : template.Must(template.New("").Parse(T)),
latexCmd : "lualatex",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 36.80 -loop 1 -i "virgin-of-the-rocks-paris.jpg"`,
`-i "`+filepath.Join(
D,
"90ed2c0bdd3b03acdd5ac3a66e78983c197933eac4d771a64cdd353d7f12542d.png",
)+`"`,
`-i "`+filepath.Join(
D,
"0874052b84eaea473405843666c658223881605489935376624fed4601c3ab50.png",
)+`"`,
`-i "`+filepath.Join(
D,
"24292a73f7cf7157b6b62f4799931e9c8fca518208eeda4782c8bb75ef36a2dc.png",
)+`"`,
`-i "`+filepath.Join(
D,
"2b96a193886a1a0a329a24bcd3468f98f13cb337b26b4045e5843b5563252b47.png",
)+`"`,
`-i "`+filepath.Join(
D,
"23ac3136c67210652b5582c7847a47787f68f50e2288d4381b92d1607489e42d.png",
)+`"`,
`-i "`+filepath.Join(
D,
"b954eb86f84bbd64ddb38f90c98b7f7a3afb7829daa81f957b2737b447fc9ec0.png",
)+`"`,
`-i "`+filepath.Join(
D,
"242215143f65b91164cfe12d9ba126b7fe52bf35eab7df8de227f1916e10e8b7.png",
)+`"`,
`-i "`+filepath.Join(
D,
"c9ed7cf3d1331df8d11fccf2d964fe221b1e037980e2346dd579604b94d9c53e.png",
)+`"`,
`-r 30 -t 17.30 -loop 1 -i "virgin-of-the-rocks-london.jpg"`,
`-i "`+filepath.Join(
D,
"3d426114dc910999e9f5c9583b24444111dffda5ad5acf4e711d7079c83b4008.png",
)+`"`,
`-i "`+filepath.Join(
D,
"87f8eab5e96fcfde670fb93dfaa0649ba964286be63314c8fec524d1eafc184b.png",
)+`"`,
`-i "`+filepath.Join(
D,
"7f55fb922a6b776d224d061a9fcf1c725833680970f7d652965c735fbdde4342.png",
)+`"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
"[9:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in1]",
},
[]string{
"[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.70,4.20)' [in0,1]",
"[in0,1] [2:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,4.90,7.90)' [in0,2]",
"[in0,2] [3:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,8.60,11.60)' [in0,3]",
"[in0,3] [4:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,12.30,15.30)' [in0,4]",
"[in0,4] [5:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,16.00,19.00)' [in0,5]",
"[in0,5] [6:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,19.70,24.70)' [in0,6]",
"[in0,6] [7:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,25.40,28.40)' [in0,7]",
"[in0,7] [8:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,31.80,35.80)' [in0,9]",
"[in1] [10:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.70,4.70)' [in1,1]",
"[in1,1] [11:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,8.10,10.60)' [in1,3]",
"[in1,3] [12:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,11.30,14.30)' [in1,4]",
},
[]string{"[in0,9]","[in1,4]"},
"",
nil,
},
},
{
"Complete test with audio: Virgin of the rocks",
parse,
[]any{
&State{
faststart : false,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(`
# This will be overidden by the next call to @
@3 4 42 BMC19T1VivaldiSeasonsSummer.mp3
# Setup audio track; fade-in/out of 4sec both; skip first 5sec
@5 4 4 BMC19T1VivaldiSeasonsSpring.mp3
# This is a comment; will be ignored
:virgin-of-the-rocks-paris.jpg
0.7 3.5
Here is what seems \\
to be \\
a little-known fact \\
# Another comments
+0.7 3
About this famous \\
# Comments are okay anywhere as long as the line starts with a '#'
Leonardo painting, \\
+0.7 3
« Virgin of the Rocks »: \\
+0.7 3
Of the four characters \\
+0.7 3
Jesus, the \\
bottom right child \\
+0.7 5
Is the only one \\
looking at the \\
\textit{Source of Light} \\
\emoji{face-in-clouds} \\
+0.7 3
Pay attention to his \\
chest and eyes \\
+0.7 2
+0.7 4
The source of light can \\
be deduced from the \\
highlights and shadow \\
patterns. \\
+0.7 1
:virgin-of-the-rocks-london.jpg
+0.7 4
This also holds in the \\
"London" version of the \\
painting \\
+0.7 2
+0.7 2.5
I am not sure how \\
well-known this is \\
+0.7 3
But I have not found it \\
mentioned anywhere, \\
so far \\
+0.7 3
`),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : D,
textTmpl : T,
tmpl : template.Must(template.New("").Parse(T)),
latexCmd : "lualatex",
dryRun : false,
binsh : "",
textImgExt : ".png",
imgPrefix : ":",
audioPrefix : "@",
headerSep : " ",
},
},
[]any{
[]string{
`-r 30 -t 36.80 -loop 1 -i "virgin-of-the-rocks-paris.jpg"`,
`-i "`+filepath.Join(
D,
"90ed2c0bdd3b03acdd5ac3a66e78983c197933eac4d771a64cdd353d7f12542d.png",
)+`"`,
`-i "`+filepath.Join(
D,
"0874052b84eaea473405843666c658223881605489935376624fed4601c3ab50.png",
)+`"`,
`-i "`+filepath.Join(
D,
"24292a73f7cf7157b6b62f4799931e9c8fca518208eeda4782c8bb75ef36a2dc.png",
)+`"`,
`-i "`+filepath.Join(
D,
"2b96a193886a1a0a329a24bcd3468f98f13cb337b26b4045e5843b5563252b47.png",
)+`"`,
`-i "`+filepath.Join(
D,
"23ac3136c67210652b5582c7847a47787f68f50e2288d4381b92d1607489e42d.png",
)+`"`,
`-i "`+filepath.Join(
D,
"b954eb86f84bbd64ddb38f90c98b7f7a3afb7829daa81f957b2737b447fc9ec0.png",
)+`"`,
`-i "`+filepath.Join(
D,
"242215143f65b91164cfe12d9ba126b7fe52bf35eab7df8de227f1916e10e8b7.png",
)+`"`,
`-i "`+filepath.Join(
D,
"c9ed7cf3d1331df8d11fccf2d964fe221b1e037980e2346dd579604b94d9c53e.png",
)+`"`,
`-r 30 -t 17.30 -loop 1 -i "virgin-of-the-rocks-london.jpg"`,
`-i "`+filepath.Join(
D,
"3d426114dc910999e9f5c9583b24444111dffda5ad5acf4e711d7079c83b4008.png",
)+`"`,
`-i "`+filepath.Join(
D,
"87f8eab5e96fcfde670fb93dfaa0649ba964286be63314c8fec524d1eafc184b.png",
)+`"`,
`-i "`+filepath.Join(
D,
"7f55fb922a6b776d224d061a9fcf1c725833680970f7d652965c735fbdde4342.png",
)+`"`,
`-i "BMC19T1VivaldiSeasonsSpring.mp3"`,
},
[]string{
"[0:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in0]",
"[9:v] scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:color=black [in1]",
},
[]string{
"[in0] [1:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.70,4.20)' [in0,1]",
"[in0,1] [2:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,4.90,7.90)' [in0,2]",
"[in0,2] [3:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,8.60,11.60)' [in0,3]",
"[in0,3] [4:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,12.30,15.30)' [in0,4]",
"[in0,4] [5:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,16.00,19.00)' [in0,5]",
"[in0,5] [6:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,19.70,24.70)' [in0,6]",
"[in0,6] [7:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,25.40,28.40)' [in0,7]",
"[in0,7] [8:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,31.80,35.80)' [in0,9]",
"[in1] [10:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,0.70,4.70)' [in1,1]",
"[in1,1] [11:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,8.10,10.60)' [in1,3]",
"[in1,3] [12:v] overlay=x=(W-w)/2:y=(H-h)/2:enable='between(t,11.30,14.30)' [in1,4]",
},
[]string{"[in0,9]","[in1,4]"},
"[13:a] atrim=start=5.00, asetpts=PTS-STARTPTS, afade=type=in:start_time=0:duration=4.00, afade=type=out:start_time=50.10:duration=4.00 [a]",
nil,
},
},
})
}
func TestParseAndCompile(t *testing.T) {
doTests(t, []test{
{
"Virgin of the rocks v2",
parseAndCompile,
[]any{
&State{
faststart : true,
overwrite : true,
width : 1080,
height : 1920,
padColor : "black",
framerate : 30,
defaultWait : 0.8,
indent : "\t",
input : strings.NewReader(`
:virgin-of-the-rocks-paris.jpg
0.7 3.5
Here is what seems \\
to be \\
a little-known fact \\
+0.7 3
About this famous \\
Leonardo painting, \\
+0.7 3
« Virgin of the Rocks »: \\
+0.7 3
Of the four characters \\
+0.7 3
Jesus, the \\
bottom right child \\
+0.7 5
Is the only one \\
looking at the \\
\textit{Source of Light} \\
\emoji{face-in-clouds} \\
+0.7 3
Pay attention to his \\
chest and eyes \\
+0.7 2
+0.7 4
The source of light can \\
be deduced from the \\
highlights and shadow \\
patterns. \\
+0.7 1
:virgin-of-the-rocks-london.jpg
+0.7 4
This also holds in the \\
"London" version of the \\
painting \\
+0.7 2
+0.7 2.5
I am not sure how \\
well-known this is \\
+0.7 3
But I have not found it \\
mentioned anywhere, \\
so far \\
+0.7 3
`),
output : "reel.mp4",
pixFmt : "yuv420p",
cacheDir : D,
textTmpl : T,