Werner's Miscellanea
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Source at commit 761eae16bdfe2f97e34a927fd8fd9d14a9a18cc2 created 12 years 6 months ago. By Werner Almesberger, labsw/: added hardware revision indication | |
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1 | Demo setup |
2 | ---------- |
3 | |
4 | Two Ben NanoNotes. We'll call them ben1 and ben2. Each has an atben |
5 | board and the usual software stack (WPAN-enabled kernel with TUN, |
6 | lowpan-tools, and ben-wpan's dirtpan.) |
7 | |
8 | scp ben1 ben1.rmt pex ben1: |
9 | scp ben2 pex ben2: |
10 | |
11 | ben1: |
12 | rm -f lease |
13 | ./ben1 |
14 | |
15 | ben2: |
16 | ./ben2 |
17 | |
18 | |
19 | Audio and video editing |
20 | ----------------------- |
21 | |
22 | Prerequisites: |
23 | |
24 | melt 0.5.4 or better (from MLT) |
25 | sox |
26 | mplayer or equivalent |
27 | |
28 | # Raw files: the original video recording and and audio track. |
29 | # Warning: these files are big. 327 MB for the video, 39 MB for the audio. |
30 | |
31 | wget http://downloads.qi-hardware.com/people/werner/wpan/tmp/raw/MVI_1374.MOV |
32 | wget http://downloads.qi-hardware.com/people/werner/wpan/tmp/raw/p97-3.wav |
33 | |
34 | # Adjust the speed of the audio track to match the video clip. |
35 | # Also reduce the bass a little, to avoid clipping. |
36 | # Takes about 335 s on a Q6600 |
37 | |
38 | sox p97-3.wav p97-3fast.wav speed 1.005 bass -3 |
39 | |
40 | # Edit the video clip and encode as Theora. |
41 | # Takes about 5 min on q Q6600 |
42 | |
43 | ./edit | sh |
44 | |
45 | # Play the resulting 18 MB, 209 s video |
46 | |
47 | mplayer wpan-ipv4.ogg |
48 | |
49 | The result is on |
50 | http://downloads.qi-hardware.com/people/werner/wpan/tmp/wpan-ipv4.ogg |
51 |
Branches:
master