This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.
#1
Posted
:
Monday, January 10, 2011 6:32:15 PM(UTC)
Groups: Registered
Posts: 1
I trial leadtools cpp convert demo,
I selected ISO as Target, select Lead AAC Encoder as Audio codec(set Object type =LC, stream format =RAW, Mpeg version =mpeg4, block type = normal, output channel = stereo, output sample rate =48000, bitrate = 128kbps), then I get a AAC audio file, I transfer this AAC audio to my ipod touch4 to test, I found, it can play well on iTunes, but can't play on iPod touch4, I tried the .m4a and .aac file extension name, both failed on iPod touch4.
Then I selected ISO as target, select LEAD AAC Encoder as Audio codec(same setting as above), select Lead H.264 Encoder as video codec(main profile), then I get a H.264 mp4 file, then I transfer this mp4 file to my ipod touch4 to test, I found, it can play on iPod touch4, but no sound, just have right picture, no sound.
I used iTunes to convert same file to aac audio file, it can play fine on iTouch4, so I think there is something wrong with Lead AAC Encoder, I write this problem here, need help, if Lead AAC Encoder can't convert aac audio for iTouch4, I think it's so bad, because iPod and iTouch is most popular, and have many users, we must support iPod.
#2
Posted
:
Tuesday, January 11, 2011 5:48:27 AM(UTC)
Groups: Guests
Posts: 3,022
Was thanked: 2 time(s) in 2 post(s)
We have a demo that converts to iPod-compatible format. The demo is called 'Convert to Mobile' and the source code is available in the [LEADTOOLS 17 Install folder]\Examples\Ltmm folder.
Please check the demo and check the AAC encoder settings (and other settings used) for the iPod (H264+AAC) option.
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