xaymar/js-encoding-samples
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Version 0.1.0

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Michael Fabian 'Xaymar' Dirks
2020-10-26 09:56:49 +01:00
parent 6e2ac5e513
commit f39c41ccf4
2 changed files with 38 additions and 35 deletions
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ves.js
+10 -17
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@@ -211,7 +211,7 @@ async function create_caches(config, ff, videos, encoders) { // Create Caches
"-hide_banner",
"-v", "error",
"-i", video.file,
"-filter_complex", `fps=fps=${cache.framerate_s},scale=flags=bicubic+full_chroma_inp+full_chroma_int:w=${cache.width}:h=${cache.height},colorspace=all=bt709:range=tv:format=yuv420p`,
"-filter_complex", `fps=fps=${cache.framerate_s},scale=flags=bicubic+full_chroma_inp+full_chroma_int:w=${cache.width}:h=${cache.height},colorspace=space=${config.options.transcode.color.matrix}:trc=${config.options.transcode.color.trc}:primaries=${config.options.transcode.color.primaries}:range=${config.options.transcode.color.range},format=pix_fmts=${config.options.transcode.format}`,
"-an",
];
if (encoders.has("h264_nvenc")) {
@@ -397,13 +397,13 @@ async function work(config, ff, videos, encoders) {
console.time(LABEL)
console.group();
// Create directories.
for (let file of files) {
for (let file of files) { // Create directories.
fs.mkdirSync(path.dirname(file[0]), { recursive: true });
}
// Encode
{
{ // Encode
console.time("Encoding");
let opts = [
"-y",
@@ -420,15 +420,7 @@ async function work(config, ff, videos, encoders) {
console.timeEnd("Encoding");
}
/*
Comparing VMAF instantly:
- Saves disk space - no need to keep copies around!
fn: .\ffmpeg.exe -i "..\..\cache\arma_3-002-1280x720x60.00.mkv" -i "..\..\videos\arma_3-002.mkv" -filter_complex_threads 8 -filter_complex [0:v:0]scale=flags=bicubic+full_chroma_inp+full_chroma_int:w=1920:h=1080,colorspace=all=bt709:range=pc,format=pix_fmts=yuv444p[main];[1:v:0]colorspace=all=bt709:range=pc,format=pix_fmts=yuv444p[ref];[main][ref]libvmaf=model_path=../vmaf/vmaf_4k_rb_v0.6.2.pkl:log_fmt=json:log_path=here2.json:enable_conf_interval=1:shortest=1[out] -map [out] -f null -
*/
// Process
{
{ // Process
console.time("Processing");
let opts = [
"-hide_banner",
@@ -458,7 +450,7 @@ async function work(config, ff, videos, encoders) {
if (filter != "")
filter = `${filter};` // [temp:${idx}];[temp:${idx}]
filter = `${filter}[${idx}:v:0]scale=flags=bicubic+full_chroma_inp+full_chroma_int:w=${video.resolution.width.toFixed(0)}:h=${video.resolution.height.toFixed(0)},colorspace=space=${video.color.matrix}:trc=${video.color.trc}:primaries=${video.color.primaries}:range=${video.color.range},format=pix_fmts=yuv444p,fps=fps=${video.framerate.toFixed(2)},[ref:${idx}]libvmaf=model_path=${vmaf_model}:log_fmt=json:log_path=${ff.consolify(file[1])}:enable_conf_interval=1:n_threads=2[main:${idx}]`
filter = `${filter}[${idx}:v:0]scale=flags=bicubic+full_chroma_inp+full_chroma_int:w=${video.resolution.width.toFixed(0)}:h=${video.resolution.height.toFixed(0)},colorspace=ispace=${config.options.transcode.color.matrix}:itrc=${config.options.transcode.color.trc}:iprimaries=${config.options.transcode.color.primaries}:irange=${config.options.transcode.color.range}:space=${video.color.matrix}:trc=${video.color.trc}:primaries=${video.color.primaries}:range=${video.color.range},format=pix_fmts=yuv444p,fps=fps=${video.framerate.toFixed(2)},[ref:${idx}]libvmaf=model_path=${vmaf_model}:log_fmt=json:log_path=${ff.consolify(file[1])}:enable_conf_interval=1:psnr=1:ssim=1:n_threads=${config.options.vmaf.threads.toFixed(0)}[main:${idx}]`
}
opts.push("-filter_complex", filter);
@@ -470,7 +462,6 @@ async function work(config, ff, videos, encoders) {
)
}
console.log(opts);
let res = ff.ffmpegSync(opts);
if (res.status != 0) {
console.log(res.stdout.toString(), res.stderr.toString());
@@ -479,7 +470,9 @@ async function work(config, ff, videos, encoders) {
console.timeEnd("Processing");
}
console.log(filter);
for (let file of files) { // Clean up
fs.unlinkSync(file[0]);
}
console.groupEnd();
console.timeEnd(LABEL);