blob: ce68cae4587f4b844a8f40c4a12f46236f42672b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#!/usr/bin/env bash
set -euo pipefail
OUTPUT="voice"
BITRATE="128k"
FORMAT="mp3"
usage() {
echo "Usage: $0 -o output_name [options]"
echo
echo "Options:"
echo " -o NAME Output filename (without extension)"
echo " -b BITRATE MP3 bitrate"
echo " -f FORMAT Output format: mp3 or wav"
echo " -h Show this help message"
echo
echo "Available MP3 bitrates:"
echo " 64k Low quality / smallest files"
echo " 96k Good for speech"
echo " 128k Very good speech quality (default)"
echo " 192k High quality"
echo " 320k Maximum MP3 quality"
echo
echo "Examples:"
echo " $0 -o meeting"
echo " $0 -o podcast -b 192k"
echo " $0 -o lecture -f wav"
echo
exit 0
}
while getopts "o:b:f:h" opt; do
case "$opt" in
o) OUTPUT="$OPTARG" ;;
b) BITRATE="$OPTARG" ;;
f) FORMAT="$OPTARG" ;;
h) usage ;;
*) usage ;;
esac
done
FORMAT=$(echo "$FORMAT" | tr '[:upper:]' '[:lower:]')
case "$FORMAT" in
mp3)
FILE="${OUTPUT}.mp3"
echo "Recording MP3 to: $FILE"
echo "Bitrate: $BITRATE"
echo "Press Ctrl+C to stop."
echo
ffmpeg \
-f pulse \
-i default \
-ac 1 \
-c:a libmp3lame \
-b:a "$BITRATE" \
"$FILE"
;;
wav)
FILE="${OUTPUT}.wav"
echo "Recording WAV to: $FILE"
echo "Press Ctrl+C to stop."
echo
ffmpeg \
-f pulse \
-i default \
-ac 1 \
"$FILE"
;;
*)
echo "Error: unsupported format '$FORMAT'"
echo "Supported formats: mp3, wav"
exit 1
;;
esac
|
