heimoshuiyu/gonic
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delete guess expected size feature

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it it doing some really bad guesses for opus files
This commit is contained in:
sentriz
2022-04-20 23:33:10 +01:00
parent 4658d07273
commit 6bebceccd9
20 changed files with 44 additions and 526 deletions
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23
transcode/transcoder_caching.go
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@@ -7,8 +7,6 @@ import (
"io"
"os"
"path/filepath"
"go.senan.xyz/gonic/iout"
)
const perm = 0644
@@ -24,14 +22,14 @@ func NewCachingTranscoder(t Transcoder, cachePath string) *CachingTranscoder {
return &CachingTranscoder{transcoder: t, cachePath: cachePath}
}
func (t *CachingTranscoder) Transcode(ctx context.Context, profile Profile, in string) (io.ReadCloser, error) {
func (t *CachingTranscoder) Transcode(ctx context.Context, profile Profile, in string, out io.Writer) error {
if err := os.MkdirAll(t.cachePath, perm^0111); err != nil {
return nil, fmt.Errorf("make cache path: %w", err)
return fmt.Errorf("make cache path: %w", err)
}
name, args, err := parseProfile(profile, in)
if err != nil {
return nil, fmt.Errorf("split command: %w", err)
return fmt.Errorf("split command: %w", err)
}
key := cacheKey(name, args)
@@ -39,18 +37,21 @@ func (t *CachingTranscoder) Transcode(ctx context.Context, profile Profile, in s
cf, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE, 0644)
if err != nil {
return nil, fmt.Errorf("open cache file: %w", err)
return fmt.Errorf("open cache file: %w", err)
}
defer cf.Close()
if i, err := cf.Stat(); err == nil && i.Size() > 0 {
return cf, nil
_, _ = io.Copy(out, cf)
return nil
}
out, err := t.transcoder.Transcode(ctx, profile, in)
if err != nil {
return nil, fmt.Errorf("internal transcode: %w", err)
if err := t.transcoder.Transcode(ctx, profile, in, io.MultiWriter(out, cf)); err != nil {
os.Remove(path)
return fmt.Errorf("internal transcode: %w", err)
}
return iout.NewTeeCloser(out, cf), nil
return nil
}
func cacheKey(cmd string, args []string) string {