JPEG encoding on C6748

Andres Vahter

Hello,

I am evaluating possibilities to do JPEG encoding on C6748 (LCDK board). Frame size is 1920 x 1080 pixels.

I have read from there http://e2e.ti.com/support/dsp/omap_applications_processors/f/42/p/43699/165244.aspx#165244 that it should be possible to use C64x video codec library also on C6748 device.

It seems that this library is little bit outdated: http://software-dl.ti.com/dsps/dsps_public_sw/codecs/C64XPlus_Video/index_FDS.html and example only builds in CCS 3, I am using CCS 5.3.

What I would like to know is how to get it to work under CCS 5.3. It seems that some additional packages are needed: Framework Components and probably also Codec Engine, however I am not completely sure what else is needed, I am little bit lost under huge amount of information. Strangely if I installed this codec package under Windows 7 i got a tar file called: c64xplus_jpegenc_02_00_01_00_production.tar. I guess I just have to untar it by myself, however it is confusing why installer does not do it in the first place.

If this is not too much to ask for, could you tell me how to run this JPEG encoding example under CCS 5.3

Andres

over 12 years ago

0 Andres Vahter over 12 years ago

Intellectual 860 points

I am currently porting this example into CCS5 and I try to throw away everything that is not necessary.

I just would like to give YUV input buffer to the encoder and get out jpeg buffer from there. It seems to be not too difficult to remove those parts from example code.

However I ran into issue: Baseline JPEG encoder is in COFF format (C:\Program Files\TexasInstruments\c64xplus_jpegenc_02_00_01_00_production\packages\ti\sdo\codecs\jpegenc\lib\dmjpge_tigem.l64P), but other libs that I am using are in EABI.

Unfortunately it is not possible to mix COFF and EABI libs. CCS5.3 says: " xxx contains TI-COFF object files which are incompatible with the ELF output file"

Is it possible that Texas Instruments could provide me also EABI lib from this encoder?

Andres

0 Iyshwarya Gopalakrishnan over 12 years ago in reply to Andres Vahter

TI__Intellectual 1585 points

Hi Andres,

Your problem seems to be with importing the CCSv 3.3 Legacy Project into CCSv5.3.

Kindly take a look at the following wiki page which gives the steps to import CCSv3.3 legacy projects into CCSv5.

http://processors.wiki.ti.com/index.php/Importing_Projects

Also you can take a look at the following wiki that explains about the compiler diagnostics messages to understand your error better.

http://processors.wiki.ti.com/index.php/Compiler/diagnostic_messages/16000

If your problem persists post us the screen shot of your CCS error.

Regards,

Iyshwarya

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0 Andres Vahter over 12 years ago in reply to Iyshwarya Gopalakrishnan

Intellectual 860 points

Hi,

Actually I managed to work through errors if I created clean CCS5 project and hand picked only minimum that I needed.

However question remains if it is possible to get new EABI version from the JPEG library? Currently it is only in legacy COFF format.

Andres

0 Rahul Prabhu over 12 years ago in reply to Andres Vahter

TI__Guru** 116170 points

Hi Andreas,

Please refer to download link for the ELF version of the codec :

http://e2e.ti.com/support/embedded/multimedia_software_codecs/f/356/t/186122.aspx

I would recommend posting any further codec related queries on the codec forums as OMAPL forums are generally monitored primarily by device experts.

Regards,

Rahul

0 Andres Vahter over 12 years ago in reply to Rahul Prabhu

Intellectual 860 points

Hi,

It seems that you have made copy-paste error with the download link to the ELF version, currently it links to this thread.

Andres

0 Rahul Prabhu over 12 years ago in reply to Andres Vahter

TI__Guru** 116170 points

My bad !! I have edited the link in my earlier post.

0 Andres Vahter over 12 years ago in reply to Rahul Prabhu

Intellectual 860 points

I read through this post that you suggested http://e2e.ti.com/support/embedded/multimedia_software_codecs/f/356/t/186122.aspx

What I read out from there is that C6678 JPEG encoder should be compatible with C674x and this is in ELF format http://software-dl.ti.com/dsps/dsps_public_sw/codecs/C6678_Video_Codecs/01_00_001/index_FDS.html

However I do not read out if it was successful attempt to use it or not. Currently we are in the same situation as Andreas from this other thread. We have working "software" encoder and to get more out of it we are trying to use some IMGLIB functions.

I guess I move further discussion to this other thread http://e2e.ti.com/support/embedded/multimedia_software_codecs/f/356/t/186122.aspx

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JPEG encoding on C6748