[分享] 鍬形蟲羽化 影片 [GH2]
甲蟲羽化影片, 慎入.
相 機: Lumix GH2
鏡 頭: Lumix 45mm macro
主 角: Odontolabis dalmanni intermedia (產地: 菲律賓)
拍攝日期: 2/26
原始影片: 1080p24 80%, 32Mbps. (V1.1韌體破解)
上傳影片: (切換1080p效果佳)
1080p60 400%: http://www.youtube.com/watch?v=hyJodADZPTA&hd=1
此段為羽化脫皮前段, 此外尚有其他片段可供參考.
翻身. 1080p30 100%: http://www.youtube.com/watch?v=8D5BWcKxDC4&hd=1
脫皮. 1080p60 200%: http://www.youtube.com/watch?v=BWdyvJNdOP4&hd=1
合翅. 1080p60 200%: http://www.youtube.com/watch?v=X6QB3qSS-nQ&hd=1
展翅. 1080p60 400%: http://www.youtube.com/watch?v=HLBFfLQ0JwM&hd=1
youtube會轉檔而降低畫質, 但不知會不會保留60fps.
補一張他老爸的圖:
http://dl.dropbox.com/u/11903329/PmOdi100327/PmOdi1002.jpg

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◆ From: 111.240.208.92
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03/20 23:30, , 1F
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03/21 00:28, , 6F
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SET不會做, 不過我只有改以下設定: (目前使用)
All Language
Max ISO
Video Bitrate 24H 80M
Video Bitrate 24L 28M
Video Bitrate FSH/SH 30M
Video Bitrate FH/H 16M
Auto Quantizer 1080 All to details
Auto Quantizer 720 All to details
原作者說得很明白, 確實只要改這些就夠了.
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03/21 00:29, , 7F
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03/21 00:32, , 8F
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喔喔, 謝啦.
剛把之前上傳的幾段下載下來, 發現都被轉成4~6Mbps, 30fps.
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03/21 00:57, , 9F
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03/21 00:57, , 10F
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沒錯, 印象中看過討論到V99之後的事, 不過內容忘了, 應該不重要XD.
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03/21 01:04, , 11F
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哈, 有時候看到二手價會有想要再買一台的衝動...
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03/21 01:07, , 13F
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03/21 01:09, , 16F
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Youtube的link選HD設定開出來是720p, 要再自己切1080p.
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03/21 09:04, , 17F
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基本上檔案大小等於 流量 x 時間, 24Mbps一小時要10.8GB.
實際上會再複雜一點, 且跟bitrate與quantizer有關.
在GH2原始設定的情況下, 上述的bitrate只是一個上限,
當在拍攝靜態場景的時候, 檔案大小大約可以省一半.
相反的, 在這情況下只調整bitrate的話, 並不會得到較好的quality,
所以才要連quantizer一起改.
因此檔案會變多大, 完全取決於你的設定.
至於一般常聽到會變得"很大", 是因為有些人喜歡連GOP一起改,
甚至改成I-Frame only, 導致需要更高的bitrate來獲得足夠的quality,
但這其實是沒有效率的作法.
※ 編輯: outrunner 來自: 220.132.124.68 (03/21 19:23)
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