33 lines
623 B
Go
33 lines
623 B
Go
package transcoder
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import (
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"github.com/barnacs/compy/proxy"
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"github.com/pixiv/go-libjpeg/jpeg"
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)
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type Jpeg struct {
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decOptions *jpeg.DecoderOptions
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encOptions *jpeg.EncoderOptions
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}
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func NewJpeg(quality int) *Jpeg {
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return &Jpeg{
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decOptions: &jpeg.DecoderOptions{},
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encOptions: &jpeg.EncoderOptions{
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Quality: quality,
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OptimizeCoding: true,
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},
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}
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}
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func (t *Jpeg) Transcode(w *proxy.ResponseWriter, r *proxy.ResponseReader) error {
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img, err := jpeg.Decode(r, t.decOptions)
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if err != nil {
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return err
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}
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if err = jpeg.Encode(w, img, t.encOptions); err != nil {
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return err
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}
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return nil
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}
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