Hi,
I'm using an OMAPL138 EVM and Im using the dmai video_encode_io1_omapl138.x470MV from the dmai examples (Beta release from sdk 4.00 which is practically Brijesh branch). Before I ran this application in my evm board I execute arecord to capture some audio data. The problem is that when I'm doing this, the audio record process gets locked. I was wondering if this is could be a DMA conflict between the server device configuration (DSP) and the resources used by the audio capture. Im using the cs1omapl138_1_00_00-v2_setup_linux.bin codecs package.
What I'm doing is the following:
1) Boot the EVM, and when the kernel loads, I ran arecord. This throws me some garbage in the console letting me know that I'm recording.
2) Then in the linux console I go to dmai_examples folder and execute the encode app:
./video_encode_io1_omapl138.x470MV -c h264enc -i video.yuv -r 720x480 -o encode_file --benchmark
When I execute this the arecord process gets locked, and the output that I'm seeing in the console stops, letting me now that the process has been actually lock.
I need some help to debug this or how do I know if the codec has something in the configuration that is locking the audio, if this is the problem. This problem has been locking me to continue with a complex application need it for a customer.
Also what Im seeing with this test on video_encode_io1_omapl138.x470MV, is that the bechmark is giving me this output:
Frame 1: Read UYVY frame size 691200 (720x480) from file
Read time: 21681us
[2] Encode: 59581us
File write time: 1843us
Total: 83342us
Frame 2: Read UYVY frame size 691200 (720x480) from file
Read time: 21521us
[3] Encode: 59708us
File write time: 1737us
Total: 83137us
Frame 3: Read UYVY frame size 691200 (720x480) from file
Read time: 21146us
[4] Encode: 59676us
File write time: 1207us
Total: 82136us
The total time to encode a frame is practically 82 ms. I was wondering if this performance for the encoder is good. Because this means approximately 12 fps. Am I right?
Thanks in advance. It will be helpful any suggestion
Jorge
RidgeRun Embbeded engineer
