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Parallel scanning/generation, and combined scanning/preview/sprite (#820)

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* Implement parallel scanning and generation, and combined scanning/preview/sprite generation.
* Added UI component for preview/sprite generation during scan, and configurable number of parallel tasks.
* Add v050 changelog entry
This commit is contained in:
JoeSmithStarkers
2020-11-25 12:45:10 +11:00
committed by GitHub
parent 502e9297ad
commit e3eb550a7d
25 changed files with 445 additions and 73 deletions
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10
pkg/manager/generator_preview.go
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@@ -14,6 +14,7 @@ import (
type PreviewGenerator struct {
Info *GeneratorInfo
VideoChecksum string
VideoFilename string
ImageFilename string
OutputDirectory string
@@ -26,7 +27,7 @@ type PreviewGenerator struct {
Overwrite bool
}
func NewPreviewGenerator(videoFile ffmpeg.VideoFile, videoFilename string, imageFilename string, outputDirectory string, generateVideo bool, generateImage bool, previewPreset string) (*PreviewGenerator, error) {
func NewPreviewGenerator(videoFile ffmpeg.VideoFile, videoChecksum string, videoFilename string, imageFilename string, outputDirectory string, generateVideo bool, generateImage bool, previewPreset string) (*PreviewGenerator, error) {
exists, err := utils.FileExists(videoFile.Path)
if !exists {
return nil, err
@@ -39,6 +40,7 @@ func NewPreviewGenerator(videoFile ffmpeg.VideoFile, videoFilename string, image
return &PreviewGenerator{
Info: generator,
VideoChecksum: videoChecksum,
VideoFilename: videoFilename,
ImageFilename: imageFilename,
OutputDirectory: outputDirectory,
@@ -87,7 +89,7 @@ func (g *PreviewGenerator) generateConcatFile() error {
w := bufio.NewWriter(f)
for i := 0; i < g.Info.ChunkCount; i++ {
num := fmt.Sprintf("%.3d", i)
filename := "preview" + num + ".mp4"
filename := "preview_" + g.VideoChecksum + "_" + num + ".mp4"
_, _ = w.WriteString(fmt.Sprintf("file '%s'\n", filename))
}
return w.Flush()
@@ -105,7 +107,7 @@ func (g *PreviewGenerator) generateVideo(encoder *ffmpeg.Encoder, fallback bool)
for i := 0; i < g.Info.ChunkCount; i++ {
time := offset + (float64(i) * stepSize)
num := fmt.Sprintf("%.3d", i)
filename := "preview" + num + ".mp4"
filename := "preview_" + g.VideoChecksum + "_" + num + ".mp4"
chunkOutputPath := instance.Paths.Generated.GetTmpPath(filename)
options := ffmpeg.ScenePreviewChunkOptions{
@@ -148,5 +150,5 @@ func (g *PreviewGenerator) generateImage(encoder *ffmpeg.Encoder) error {
}
func (g *PreviewGenerator) getConcatFilePath() string {
return instance.Paths.Generated.GetTmpPath("files.txt")
return instance.Paths.Generated.GetTmpPath(fmt.Sprintf("files_%s.txt", g.VideoChecksum))
}