Mpeg-4 simple profile input ?

Hi,
I have 2 questions :
1°
is it possible to input a Mpeg-4 simple profile encoded video
in Flash Media Encoder (which would output it in H.264 for a RTMP
stream) ?
2°
I get this Mpeg-4 simple profile video from a sofware, not a
camera…
So how can I manage to input it in Flash Media Encoder ?
Thanks
Paul

Hi,
I am not using any browser to play my video.
I am using QT Player version 7.7.4 (Windows 7)
Can someone clarify,Is there any restriction to use video to play in Quick Time Player with below details ?
Format
: MPEG-4 Visual
File size
: 701 MiB
Video
Format
: MPEG-4 Visual
Format profile
: Simple Studio@L2
Format settings, BVOP
: Yes
Format settings, QPel
: No
Format settings, GMC
: No warppoints
Format settings, Matrix
: Default (H.263)
Width
: 1 920 pixels
Height
: 1 088 pixels
Display aspect ratio
: 16:9
Color space
: YUV
Bit depth
: 8 bits
Scan type
: Progressive
Compression mode
: Lossy
-Dave

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Codec: H.264
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I stored this settings about 2 years ago as a preset.These settings do lot look right. If saved 2 years ago with a data rate of 300 Kbps, this should have been an iPod preset (likely for a 320 x 240) or possibly quarter PAL display dimensions "Baseline" profile. (I.e., roughly half the recommended iPod setting but a setting likely good for web use.) Baseline, files, despited their low data rate, would have been iPod compatible then and TV compatible now.
As I said before, the resulting movies all work fine on the atv except the very latest.Actually, in your original post, the settings you gave look more like they are for a PAL "Main" profile if you are using 720 x 576 dimensions and a data rate of 2400 Kbps. The problem is if your are using the "Baseline Low Complexity" profile, then this file will likely be trapped by iTunes as not be within acceptable "LC" profile specifications and I would assume not sync with either iPod or TV devices. On the other hand, if you are using the "Main" profile, then the file should be TV compatible but not iPod compatible.
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My Question is on QTP what should the data rate be for DV.
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Original Data rates for some full QT conversions are over 20k This is as you know not supported by ATV.
Correct. And, since iMovie '08 converts from whatever compression format that was originally imported to the application, doesn't it make more sense to export DIRECTLY to the final compression format you plan to use with your TV device? You can export directly/indirectly to iTunes (i.e., via the "Movies > Sharing" folder) using the sharing option or you can export via the "Using QT" option to either the contextual (CAVLC) Progressive Main Profile preset or using your own custom settings.
If one of you would be so kind as to list the largest file that can be played in ATV using quicktime in the form of input that would be great.
The maximum H.264 display dimensions at 24/25 fps is 720p (1280x720) and at 30 fps 540p (960x540) and a max video data rate of 5 Mbps with AAC-LC audio limited to 160 Kbps and a 48.0 KHz sampling rate in M4v, MP4, or MOV file containers. The maximum MPEG-4 Simple Profile dimensions of 720x432 at 30 fps at a max data rate of 3 Mbps with AAC-LC audio limited to 160 Kbps and a 48.0 KHz sampling rate.
Since I am still uneducated about the relations to all these numbers and see different sizes that play ok in ATV I need some advice. I have even exported from quicktime and let Itunes compress to ATV. The file was bigger than what was sent from Imovie, the data rate was more, but per second was the same.
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But why shouldn't I be able to have one video to suit both. I am happy with the resolution of 640x360, even on my ATV.
You can. Unfortunately, your desire for both a data rate greater than 1.7 Mbps (H.264/AAC compression) and the ability to play them on an iPhone/Touch/iPod is mutually exclusive at this time. Thus, you will either have to make different files targeted for different data rates for maximum quality on each device or you make a single file using the maximum allowed data rate for playback on the "slower" device and accept the quality it produces on whichever device you are currently using. If all you want is a higher data rate, use the MPEG4 Simple Profile which allows data rates up to 2.5 Mbps. Just remember that the H.264 codec is about 2.0-2.5 times as efficient and is roughly equivalent to an MPEG-4 Simple Profile file with video encoded at 3.00-3.75 Mbps.

Mpeg-4 simple profile input ?

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