其實(shí)為準(zhǔn)備這次系列教程,筆者也是孕育了許久(就是懶,拖延癥犯了),對于這種大型軟件,做起評測可不是一篇文章,2000 字就能說清的,我平時(shí)很喜歡看“汽車之家”的汽車產(chǎn)品長期測試欄目,里面有對汽車的全方位、無死角式的講解,而更重要的是通過長期使用得來的結(jié)論往往更有說服力,對用戶的購買和使用也更有參考價(jià)值。對于軟件的評測,Mac玩兒法也同樣秉承這種態(tài)度,更何況是 ScreenFlow 這種偏專業(yè)類的工具,所以本次教程筆者會(huì)力爭全面而細(xì)致的講解,希望大家在看完后給出寶貴意見,也希望你能在使用過程中隨時(shí)翻看我們的教程,幫助自己快速掌握這款神軟。
本次教程我們計(jì)劃分為三個(gè)部分來做,依次是:“基礎(chǔ)操作”,“后期制作”以及“使用技巧”三個(gè)大章節(jié),但也不排除后面增加更多分篇來介紹,好了,廢話不多說,進(jìn)入主題。
基礎(chǔ)操作篇
使用 ScreenFlow 可以在所有裝載 OS X 操作系統(tǒng)的 Mac 機(jī)屏幕上進(jìn)行錄屏工作,它的操作非常簡單,啟動(dòng)后按默認(rèn)熱鍵“Command+Shift+2”即可開始錄制,中間有一個(gè)倒數(shù) 5 秒的計(jì)時(shí)準(zhǔn)備,想結(jié)束錄制再按相同的熱鍵即可,接著視頻會(huì)自動(dòng)出現(xiàn)在編輯窗口,我們拋開后期編輯不說,如果想保存視頻,你有三種選擇:
在使用 ScreenFlow 錄制之前,你可以想想自己有沒有什么特殊的需求,比如我要給 iPhone 錄制屏幕或是我要錄制一個(gè)清晰度高的視頻,這種需求應(yīng)該在錄制之前要通過 Menubar 菜單里的 “Configure Recording” 窗口明確好,比如在 “New Recording”里,你可以選擇錄制哪款屏幕(當(dāng)然前提是你有多塊顯示屏,包括已接入的 iOS 設(shè)備 )、從 Facetime 前置攝像頭錄制、錄制音源選擇(安裝 Boom,還可以選擇 Boom 音源)以及錄制幀率的選擇,此外這款軟件還支持倒計(jì)時(shí)錄制/自動(dòng)結(jié)束錄制功能。
在 “Configure Recording” 窗口內(nèi)你可能會(huì)發(fā)現(xiàn),有一個(gè) “New Recording”,為什么還有一個(gè) “New Document” 選項(xiàng)?作為 “New Document”,它是那些有制作復(fù)雜視頻用戶的必選項(xiàng)目,我可以在一個(gè) “New Document” 加入并編輯不限個(gè)數(shù)的 “New Recording”,相當(dāng)于一個(gè)包含與被包含的關(guān)系。在 “New Document” 的配置里,我可以自由定義視頻的尺寸,默認(rèn)是與電腦屏幕尺寸保持一致,此外就是 1080p、720p、Web 以及 iOS 近兩代設(shè)備的屏幕尺寸選擇,如果都不符合你的需求,可以選擇 “Custom” 自定義視頻的長寬尺寸。
在錄制過程里,用戶可以選擇 “暫?!?錄制過程并可以隨時(shí)恢復(fù)視頻錄制,此外就是添加 Marker,即視頻標(biāo)記,方便后期加工時(shí)準(zhǔn)確找到時(shí)間點(diǎn),官方也提供了這樣的一個(gè) Recording Monitor,可惜的是在錄制進(jìn)程中添加 Marker,軟件是不會(huì)給你任何交互上的反饋的,可不要反復(fù)點(diǎn)擊,不然在編輯窗口的 Timeline 中會(huì)出現(xiàn) N多個(gè)小紫點(diǎn)。
接下來,我們談一下如何導(dǎo)出錄制好的視頻。前面提到的 Save 就不說了,無論是 Publish 到社交網(wǎng)絡(luò)還是導(dǎo)出成獨(dú)立的視頻文件,你都需要了解以下幾點(diǎn):
在本次的基礎(chǔ)操作篇里我們介紹了 “錄制的基本手法”,“錄制前的準(zhǔn)備工作”,“錄制過程中可進(jìn)行的操作”以及 “視頻的導(dǎo)出工作” 這四個(gè)方面的基礎(chǔ)知識,下期 “后期制作” 環(huán)節(jié)我們來講講 ScreenFlow 的 Timeline 具體操作知識。
]]>其實(shí)我在MAS上屢次看到GIF Brewery這款視頻轉(zhuǎn)GIF工具出現(xiàn)在Paid List里,那天正好趕到降價(jià)促銷(降到了18元),趕緊收了吧,我也是抱著一種娛樂的態(tài)度來使用它。GIF Brewery 的操作很簡單,載入視頻,設(shè)定“開始”和“結(jié)束”兩個(gè)時(shí)間點(diǎn),然后點(diǎn)擊右上角的“Create”按鈕即可。
進(jìn)階玩兒法:
我們可以在輸出GIF動(dòng)態(tài)圖片之前,對動(dòng)態(tài)圖進(jìn)行畫面裁剪,尺寸縮放,添加文字說明以及多重圖片層。
在添加圖片層的時(shí)候,可以設(shè)置漸進(jìn)/漸出得延長秒數(shù),混合效果,透明度以及出現(xiàn)時(shí)段
每一張動(dòng)態(tài)圖的幀數(shù)和延時(shí)都可以自定義,還有豐富的循環(huán)播放模式可選,設(shè)定循環(huán)次數(shù),減少動(dòng)態(tài)圖中色彩種類
使用注意事項(xiàng):
tell application "iTunes" set setupNeeded to false --fetch prior selected playlist name and playback rate try set targetPlaylistName to do shell script "defaults read com.jeffporten.fastpodcast SelectedPlaylist" set playbackRate to do shell script "defaults read com.jeffporten.fastpodcast PlaybackRate" on error -- probably first run of script set setupNeeded to true end try if setupNeeded is false then -- confirm using last settings set userReply to button returned of (display dialog "Play playlist \"" & targetPlaylistName & "\" at " & playbackRate & " speed?" buttons {"Cancel", "Change...", "OK"} default button "OK") if userReply is "Change..." then set setupNeeded to true end if if setupNeeded is true then -- set up new settings set listPlaylists to the name of every playlist set targetPlaylistName to (choose from list listPlaylists with prompt "Which playlist to play?" without multiple selections allowed and empty selection allowed) as text set selectedSpeed to button returned of (display dialog "Playback rate to use?" & return & return & "(?X and 2X correspond to iPod playback speeds, actually 75% and 150%)" buttons {"Custom", "?X", "2X"}) if selectedSpeed is "2X" then set playbackRate to 1.5 else if selectedSpeed is "?X" then set playbackRate to 0.75 else set playbackRate to text returned of (display dialog "Enter a playback speed. (1.0 is normal speed, 2.0 is true double-speed, 0.5 is true half-speed.)" default answer "1.0") end if end if --store settings in a non-AppleScripty way do shell script "defaults write com.jeffporten.fastpodcast SelectedPlaylist " & (quoted form of targetPlaylistName) do shell script "defaults write com.jeffporten.fastpodcast PlaybackRate " & (quoted form of (playbackRate as text)) --actually do the playback in QuickTime Player set targetPlaylist to playlist targetPlaylistName set trackList to tracks of targetPlaylist repeat with i from 1 to count trackList set thisTrack to item i of trackList set podcastName to album of thisTrack set thisLoc to location of thisTrack set thisDuration to duration of thisTrack tell application "QuickTime Player" activate open thisLoc play document 1 set rate of document 1 to playbackRate --if some podcasts should never be rate-altered, delete last line and use this instead --if (podcastName does not contain "Onion") then set rate of document 1 to 1.5 --or for multiple podcasts, add as many of these as you like before "then set rate": --and (podcastName does not contain "someOtherPodcast") set nextTrack to false set j to 0 --if the QTP player is manually ended by dragging the slider to the end, automatically starts next podcast --if QTP player is closed, script errors out of existence --otherwise, when playback is finished, script will close the QuickTime Player document and open the next track in the playlist repeat until nextTrack is true delay 2 if current time of document 1 ≥ duration of document 1 then set nextTrack to true end repeat close document 1 end tell --mark the track as played set played count of thisTrack to (played count of thisTrack) + 1 --I use this AppleScript line to set the rating of the podcast track to one star, which I delete later from a smart playlist --set rating of thisTrack to 20 end repeat end tell
粘入Applescipt,點(diǎn)擊“運(yùn)行”
在第一個(gè)彈出框中選擇播放速度,有1/2X和2X兩種,分別是實(shí)際速度的75%和150%
或是選擇“Custom”自定義速度,中間會(huì)讓你選擇播放列表,選擇“Podcasts”即可,輸入以0.5為增量的數(shù)值可以定義自己需要的快進(jìn)速度
確認(rèn)點(diǎn)“OK”
定義的速度會(huì)立即通過Quicktime實(shí)現(xiàn),在恢復(fù)普通播放速度后,你還可以使用Quicktime的快進(jìn)/快退鍵控制播放進(jìn)程。
]]>
每次看視頻時(shí),視頻窗口右下角會(huì)有一個(gè)“用播放器播放”的鏈接,點(diǎn)擊后會(huì)馬上彈出 QuickTime 進(jìn)行播放。而且完全跳過片頭廣告。
在使用前我們需要在Mac上安裝Flip4Mac,安裝后打開 “系統(tǒng)偏好設(shè)置”->“FlipMac WMV” 勾選 “Launch QuickTime Player” 后才能彈出播放器進(jìn)行播放。
相關(guān)軟件推薦
Ease Link:自動(dòng)修復(fù)迅雷專用鏈接插件
ThunderLixianExporter:迅雷離線下載地址導(dǎo)出器
Free Video Converter:可以嵌入字幕的視頻轉(zhuǎn)換器
]]>