Tham khảo tài liệu 'tự học html và css trong 1 giờ - part 40', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 366 LESSON 12 Integrating Multimedia Sound Video and More After you ve specified the settings just click the Start button to encode your video as . When the encoding is complete preview the video preferably in the player you ll be using on the Web to make sure that the quality is sufficient. If it s not encode the video again using different settings. Likewise if the video file is larger than you d like you may want to encode the video again with the compression turned up. Afterward watch the video and make sure that it still looks okay. Converting Video to Ogg Theora To convert video for use with Firefox and Chrome you ll need to convert it to Ogg Theora. A number of tools can be used to do so. One popular free option is Firefogg which can be found at http . Firefogg is an add-on for the Firefox web browser. When it s installed you can go back to the Firefogg website to convert video from other formats to Ogg Theora. VLC a video player that supports a wide variety of formats can also be used to convert video to Ogg Theora. It s available for Windows OS X and Linux. You can download it at http vlc . To use it to convert video from one format to another use the Open Capture Device option in the File menu select the file you want to convert and then use the Transcoding Options to choose the Theo video format and Vorb audio format. Embedding Video Using video The methods used to embed video in web pages have changed a great deal over the years. In the early days of the Web to present video the best approach was just to link to video files so that users could download them and play them in an application other than their browser. When browsers added support for plug-ins through the embed tag it became possible to embed videos directly within web pages. The catch was that to play the video the user was required to have the proper plug-in installed. The tag used to embed plug-ins in pages changed from embed to object but the approach .
