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HTML5: Video and Audio in Depth

Encoding MP4/H.264 video with HandBrake


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HTML5: Video and Audio in Depth

with Steve Heffernan
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  1. 1m 24s
    1. Welcome
      42s
    2. Using the exercise files
      42s
  2. 15m 18s
    1. Understanding HTML5 video and audio
      4m 46s
    2. The state of HTML5 video and audio
      4m 29s
    3. Understanding the format war
      3m 53s
    4. Configuring your server to deliver HTML5 media formats
      2m 10s
  3. 32m 36s
    1. Using the video and audio tags
      5m 34s
    2. Using multiple sources for browser compatibility
      5m 53s
    3. Preloading
      4m 16s
    4. Autoplaying
      2m 2s
    5. Looping
      5m 11s
    6. Setting a poster frame
      3m 43s
    7. Setting the video width and height
      3m 40s
    8. Displaying subtitles and captions
      2m 17s
  4. 12m 40s
    1. Falling back to Flash
      4m 4s
    2. Falling back to download links
      6m 21s
    3. Using an embed code builder
      2m 15s
  5. 22m 17s
    1. Understanding HTML5 video formats
      5m 10s
    2. Understanding HTML5 audio formats
      2m 57s
    3. Encoding MP4/H.264 video with HandBrake
      3m 13s
    4. Encoding Ogg, Theora, and WebM with Firefogg
      3m 18s
    5. Encoding audio formats with VLC
      5m 54s
    6. Automating video and audio encoding
      1m 45s
  6. 34m 59s
    1. Setting up the JavaScript
      4m 39s
    2. Creating Play and Pause buttons
      7m 52s
    3. Creating a Play Progress bar
      5m 49s
    4. Creating a Load Progress bar
      9m 29s
    5. Creating a Current Time and Duration display
      7m 10s
  7. 4m 37s
    1. Overview of known issues
      35s
    2. Autobuffer or preload?
      56s
    3. Load progress in Firefox 3.6
      41s
    4. Android 2.0 issues
      1m 5s
    5. iOS 3 issues
      1m 20s
  8. 2m 8s
    1. Flight of the Navigator
      50s
    2. ZEN Audio Player by simurai
      34s
    3. The Wilderness Downtown by Google and Arcade Fire
      44s
  9. 1m 40s
    1. Further exploration
      1m 40s

Video: Encoding MP4/H.264 video with HandBrake

To encode our MP4 H.264 video files we are going to be using HandBrake. HandBrake is a free application built on open source encoding tools and you can get it at the Web address handbrake.fr. To download it you can click on the Download link and the appropriate version for your system. When you open HandBrake you'll be prompted to select a video and we're going to use our source file, which is in or Exercise folder and _video and it's our podcast.mov. That's our source file, so I am going to open that up.

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HTML5: Video and Audio in Depth
2h 7m Intermediate Jun 02, 2011

Viewers: in countries Watching now:

In this course, author Steve Heffernan contextualizes the state of HTML5 audio and video and shows how to embed media into a web page using HTML5. The course sheds light on configuring the new HTML5 audio and video tags, ensuring backwards compatibility by setting alternative playback methods, encoding the needed file formats, and building custom controls with JavaScript. Also included are tutorials on troubleshooting known issues and reviewing real-world examples of HTML5 audio and video.

Topics include:
  • Understanding the differences in media formats
  • Preloading, autoplaying, and looping in HTML5
  • Setting a video's width and height attributes
  • Displaying subtitles and captions
  • Generating embed code with an embed code builder
  • Encoding files using HandBrake, Firefogg, and VLC
  • Creating a load progress bar
  • Recognizing Android and iOS issues
Subjects:
Video Web Web Video Web Development
Software:
HTML
Author:
Steve Heffernan

Encoding MP4/H.264 video with HandBrake

To encode our MP4 H.264 video files we are going to be using HandBrake. HandBrake is a free application built on open source encoding tools and you can get it at the Web address handbrake.fr. To download it you can click on the Download link and the appropriate version for your system. When you open HandBrake you'll be prompted to select a video and we're going to use our source file, which is in or Exercise folder and _video and it's our podcast.mov. That's our source file, so I am going to open that up.

Okay, now the first thing you want to do is click on the iPhone and iPod Touch preset. Now if this Preset window isn't open you can toggle it with the button in the upper right-hand corner. I'll click on the iPhone & iPod Touch preset and what that does is trigger a number of basic settings including the baseline profile for H.264. There are three H.264 profiles. Baseline, main and high. The iPhone3 and 3GS as well as the number of other devices require the baseline profile to playback the video.

All right, next we want to check our Picture Settings and we can do that with the Picture Settings button at the top of the window, and then click on Preview, and if you scrub in a little bit you can see the basic output of the video, and it looks right to me. The size looks correct. Sometimes you need to play around with the Anamorphic setting and make sure that it's going to output to the right size that you want it to. But this looks good to me, so I am going to go ahead and close the window and close the Picture Settings, and the next thing we want to do is click the Web optimized setting and what that does is put the metadata at the beginning of the file so the browser can know extra information about the video as soon as it starts downloading the video data.

All right, now let's set a place to store the file once it's done and we are going to put it in our encoded folder in the same video files folder, and actually I am going to name it podcast.mp4. m4v, the extension they had there, isn't wrong, but we've been using mp4 for the other version. So to keep it consistent I am going to use mp4. I am going to save that and then click Start and the video encodes and we're already done, great. So that's basically all you need to do.

Feel free to play around with the other settings or read up on what they do, but this should give you a video file that would work on the web. Now let's plug this into our video tag so we can see it in action. If we go over to our code, I am going to take our MP4 source and just change it to the one that we have in the encoded folder. That's in the same video files folder, so encoded so that's podcast, and just to kind of see it work. And since it's MP4 we need to open it in a browser that supports MP4, so I am going to use Safari.

So if we reload that page and play the video-- (Music playing) You can see it works, and you can tell it's not the version we were using before because the version I was using before had an MP4 watermark in the lower right-hand corner. So this is the one that we just encoded. All right, so we've successfully encoded in MP4 H.264 file and next we'll do an Ogg and WebM version.

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