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venc-secondary stream?

SuitJune Young
Genius 3985 points

Hello,TI man.

We use Dm8168 in our box.If we wanna generate secondary stream by M3 codec.Can M3 codec output Low resolution,full FPS video stream?

BR.

  • 0
    TI__Guru 59700 points

    Your question is not clear. Does your data flow scale the captured  image into two resolutions ? Secondary stream encoding is supported and is enabled in following usecases. Whether you will be able to achieve full fps secondary stream encoding depends on the number of channels you are encoding.

    /dvr_rdk/mcfw/src_linux/mcfw_api/usecases/ti816x/multich_progressive_vcap_venc_vdec_vdis.c

    /dvr_rdk/mcfw/src_linux/mcfw_api/usecases/ti816x/multich_hybrid_encode.c

    /dvr_rdk/mcfw/src_linux/mcfw_api/usecases/ti816x/multich_hybrid_dvr.c

    /dvr_rdk/mcfw/src_linux/mcfw_api/usecases/ti816x/multich_vcap_venc_vdis.c

    /dvr_rdk/mcfw/src_linux/mcfw_api/usecases/ti816x/multichhd_vcap_venc_vdis.c

  • 0 in reply to Badri Narayanan
    Genius 3985 points

    Sorry for my bad descriptions.

    I mean that If JUST send ONE HIGH resolution,FULL fps video frame to M3 codec WITHOUT sending a same content,low resolution,full fps video frame to M3 codec.

    Can M3 codec output two video stream?One PRIMARY stream,HIGH resolution,FULL fps.and secondary stream is low resolution,full fps stream.

  • 0 in reply to SuitJune Young
    TI__Guru 59700 points

    No such a  feature is not supported. The h264 encoder in DVR RDK supports SVC-T which means same stream can have multiple layers with each layer having lower FPS but all have the same resolution.

  • 0 in reply to Badri Narayanan
    Genius 3985 points

    Thank you,I know that.