dm368 jpegencode encode a yuv image to a bad image

diniao Bu

Other Parts Discussed in Thread: TMS320DM365

hello,

when I use the cd /usr/share/ti/ti-dmai-apps/ ,then ./image_encode_io1_dm365.x470MV -c jpegenc -e encode \
-i output.yuv -o output.jpeg -r 640x480 \
--iColorSpace 3 --oColorSpace 1

then get a bad image

please help me to solve this problem ,thank you

over 12 years ago

0 Prashanth Kumar15 over 12 years ago

Mastermind 8775 points

Dear Diniao Bu,

Can you please give me some more details listed below?

1. Which DVSDK are you using?

2. Version of codec.

3. The parameters/configuration settings which you use.

Also there is a known issue with high quality factor(97) and inputChromaFormat = 4 (422ILE)

0 diniao Bu over 12 years ago in reply to Prashanth Kumar15

Prodigy 20 points

i use dvsdk_dm365_4_02_00_06.I run the dmai refer to TMS320DM365_Software_Developers_Guide.

the seller use the same environment and hardware ,all is same ,but their's is normal ,is ok.they think that there is something wrong with my chip.

0 drfds ds over 11 years ago in reply to diniao Bu

Prodigy 20 points

what version have you been using. jpeg encoding is a lossy image compression compared with jpeg 2000 which support both compression mode.have you tried jbig2 compression method. if not, give a try. hope they are helpful to you.

Processors

Processors forum

dm368 jpegencode encode a yuv image to a bad image