58b20109cf
import sys
import yaml
with open(sys.argv[1]) as fp:
data = fp.read()
if not data.find("---") == 0:
# no head
print("NO YAML HEAD FOUND")
sys.exit(-1)
data = data[3:]
head_end = data.find("---")
head = data[0:head_end]
data = data[head_end+3:]
metadata = yaml.safe_load(head)
cats = metadata.pop('categories', None)
if cats != None:
if type(cats) == list:
tags = cats
elif type(cats) == str:
tags = cats.split()
tags = list(map(lambda t: t.lower(), tags))
metadata["tags"] = ", ".join(tags)
new_data = f"---\n{yaml.dump(metadata, default_flow_style=False)}---{data}"
# write it
print(f"coverted: categories to tags: {tags} - {sys.argv[1]}")
with open(sys.argv[1], "w") as fp:
fp.write(new_data)
sys.exit(0)
if not metadata.get("tags", None):
metadata["tags"] = "untagged"
new_data = f"---\n{yaml.dump(metadata, default_flow_style=False)}---{data}"
print(f"untagged: {sys.argv[1]}")
# write it
with open(sys.argv[1], "w") as fp:
fp.write(new_data)
sys.exit(0)
print("No changes needed")
33 lines
644 B
Markdown
33 lines
644 B
Markdown
---
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author: dhananjayishere
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comments: true
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date: 2011-10-11 03:33:00
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layout: post
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slug: ffmepg-nokia-7210-video-clips
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tags: gnu/linux, multimedia, tips
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title: FFmpeg + Nokia 7210 Video Clips.
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wordpress_id: 74980538
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---
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Nokia 7210 supports video clips of container mp4 with following specifications.
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Video Codec: mpeg4
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Video Size: 320x240
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Bit Rate: 500
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Frame Rate: Auto
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Aspect: Auto
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Same Quality: False
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Audio:
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Audio Codec: mpeg4aac
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Bit Rate: 96
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Sample Rate: 44100
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Channels: 1 (Mono)
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Disable Audio: False
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So to make a clip playable in phone,
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Use
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** ffmpeg -i <infile> -b 500 -s 320x240 -f mp4 -acodec libfaac -vcodec mpeg4 <outfile>**
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