Read sampleRate from audio files

scanner/metadata/ffmpeg/ffmpeg.go

@@ -81,7 +81,8 @@ var (
 
 	//    Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 192 kb/s
 	//    Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
-	audioStreamRx = regexp.MustCompile(`^\s{2,4}Stream #\d+:\d+.*: Audio: (.*), (.* Hz), ([\w.]+),*(.*.,)*`)
+	//    Stream #0:0: Audio: dsd_lsbf_planar, 352800 Hz, stereo, fltp, 5644 kb/s
+	audioStreamRx = regexp.MustCompile(`^\s{2,4}Stream #\d+:\d+.*: Audio: (.*), (.*) Hz, ([\w.]+),*(.*.,)*`)
 
 	//    Stream #0:1: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 600x600 [SAR 1:1 DAR 1:1], 90k tbr, 90k tbn, 90k tbc`
 	coverRx = regexp.MustCompile(`^\s{2,4}Stream #\d+:.+: (Video):.*`)
@@ -166,6 +167,7 @@ func (e *Extractor) parseInfo(info string) map[string][]string {
 
 		match = audioStreamRx.FindStringSubmatch(line)
 		if len(match) > 0 {
+			tags["samplerate"] = []string{match[2]}
 			tags["channels"] = []string{e.parseChannels(match[3])}
 		}
 	}