Hi,
We'd like to use iMX61Solo as the video processing processor for one of our projects, which presents the following requirements:
1. MJPEG encoding;
2. input image size: 12Mpixes;
3. encoded frame rate: >=13fps;
4. compression ratio: >=20:1
From the data sheet of iMX61Solo, there will be no problems for the first three requirements,
since MX61Solo supports MJPEG encoding BP standard.
But how about the last one? Since MJPEG encoding is an intraframe compression,
probably the compression ratio depends on the input image heavily. Right?
Is there any lower or upper limits on the compression ratio of iMX61Solo in MJPEG encoding mode?
And how about the bitrate? Giving the input image size is 12Mpixel and 2Bytes/pixel (I420), 13fps.
Has the gstreamer multimedia framework been ready for supporting iMX61Solo?
Best regards,
Robbie
解決済! 解決策の投稿を見る。
Hi,
Here is the MJPEG encoder description
Up to 4:2:2 format
MJPEG decoder supports 32 M pixel per second and the image size is up to 8196×8196 @ 133
MHz, this performance is for 6q, but simliar to solo. I agree with you that the compression ratio depend on the input image.
I didn't see any limitation for the compress ration, it should follow the spec.
By the way, the solo have released several versions. That say the gstreamer is ready.
jack
Hi,
Here is the MJPEG encoder description
Up to 4:2:2 format
MJPEG decoder supports 32 M pixel per second and the image size is up to 8196×8196 @ 133
MHz, this performance is for 6q, but simliar to solo. I agree with you that the compression ratio depend on the input image.
I didn't see any limitation for the compress ration, it should follow the spec.
By the way, the solo have released several versions. That say the gstreamer is ready.
jack