| Title: |
PS3 H.264 Conversion Guide |
| Description: |
This guide shows you how to convert DVD/AVI/DivX/XviD/MOV files to a PS3 compatible H.264 file that can uses AAC or AC3 5.1 audio, covering 3 methods for making MP4, VOB or a M2TS stream |
| Author/Publisher: |
DVDGuy |
| Ease of use: |
Intermediate |
| Software Used: |
H264info, MeGUI, mkv2vob, Nero Digital Audio Decoder/Encoder, tsMuxeR, TVersity |
| Page Viewed: |
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Step 7.2: VOB container with AC3/DTS audio
As mentioned previously, this method allows you to use a VOB container to hold your H.264 file, and allows for AC3 or DTS 5.1 audio. If you chose one of the other methods, you don't need to look at this section/page.
Press the "AutoEncode" button or from the "Tools" drop down menu, select "AutoEncode" to launch the Automatic Encoder setup windows.
This is pretty straight forward - just specify the output size of your video file either as a file size, or as an average bitrate. Then, make sure the Container is set correctly, to "MKV". For AVI/DivX/XviD conversion, you can get the same quality video at roughly 80% of the original AVI/DivX/XviD file's filesize. For 720p/1080p QuickTime HD (MOV) files, these are already using H.264 so you should try and match the file size whenever possible (again, make sure the "Average Bitrate" is under control). For maximum compatibility with the PS3, the bitrate peaks should not exceed 15 Mbps (15,000 kbit/s, although I've observed brief peaks of more than 25 Mbps that seems to not cause problems, and that the Xbox 360 handled peaks better than the PS3), otherwise you could see skipped playback. There is currently no way to control the bitrate peaks for the encoded file, and so as a general rule, try to keep the average bitrate of the video under 9000 kbit/s. The output location can be changed as well - this file will be the final output file that you want, so make sure you remember where you put it and don't accidentally delete it when cleaning up (I like to put this file in a different folder to all the other files, just in case).
When you're ready, press the "Queue" button and all the necessary jobs will be added to the encoding queue.
Click on the "Queue" tab and all the jobs should be listed there. Below is an example job queue where a trailer is being encoded, an explanation of the queued jobs shown in the screenshot below:
- job4: Encoding audio track for clip
- job5: Encoding video, 1st pass for clip
- job6: Encoding video, 2nd pass for clip
- job7: Muxing audio and video to MKV for clip
New in MeGUI 0.2.6 or above is the idea of "workers". This has been introduced to take advantage of multi-core processors, allowing parallel job execution (processing more than one job at a time). Of course, certain jobs are dependent on another previous job being completed before it can begin (for example, job2-4 above requires job2-3 to be finished, and job2-5 requires all previous jobs to be finished), and so parallel execution is not always possible. But if you are encoding multiple video clips at the same time, then parallel execution allows each core of your CPU to be fully utilized at all times, allowing up to 4 video encodings at the same time on a quad core processor, for example. In essense, each "worker" represents a CPU thread that can be run on an individual core - so if you have a dual core processor, then you might want to create two workers, quad-core => 4 workers, etc. Even if you have only a single core CPU, you will still need to create at least one worker before MeGUI can start encoding video. To create a worker, from the "Worker" menu, select the "Create New Worker" option and then enter a name for this new worker.
Create as many workers as you need (again, 2 for dual-core, 4 for quad-core ...). You can right click on each job to specify which worker it will use, or you can leave it unset and MeGUI will automatically assign workers (recommended). You only need to do this the first time you use MeGUI, as worker settings are remembered.
When you are ready to start encoding, press the "Start" to start the encoding. You can view the status of your workers by selecting the "Workers Summary" option from the "Workers" menu.
When it's all finished, your MKV file should be ready. You can delete all the other files, unless you plan on making more encodings from them. We will now use a trick to convert the MKV file to a VOB file.
Even though technically the VOB file requires MPEG-2 video, the way the PS3 software works, a VOB file with H.264 video and AC3/DTS 5.1 audio will work just fine, and provide you with 5.1 channel audio without the need for an AAC decoder or HDMI PCM 5.1 output. In this step, we will use the mkv2vob package to convert the MKV file to a VOB file (no re-encoding is needed, so the process should only takes a matter of minutes, not hours).
Now that you have the MKV file, download and extract the contents of the mkv2vob package to a directory on your computer. Run the mkv2vob executable and it will ask you to load in your MKV file. Do so.
mkv2vob will then ask you where you want to save the VOB file (default location is the same as the input MKV file). Specify a location/filename and then press "Save" to continue.
mkv2vob will now spawn a command line window and start working. It will also open the H264info program to do further processing. When the entire process is finished, the following prompt will show and your VOB file is ready to use.
You can now proceed to Step 8, which is to get the PS3 to see your VOB file through TVersity.
I have made a test clip from the instructions in this guide, that you can download. Download the I Am Legend 1080p AC3 5.1 VOB Trailer.
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