Re: [PATCH] venus: venc: set IDR period to FW only for H264 & HEVC

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On 12/16/20 9:06 AM, Dikshita Agarwal wrote:
> HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD is supported for only
> H264 & HEVC codec. There is no need to set it for VP8 since
> all key frames are treated as IDR frames for VP8.
> 
> Signed-off-by: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/qcom/venus/venc.c | 23 +++++++++++++----------
>  1 file changed, 13 insertions(+), 10 deletions(-)

Reviewed-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>

> 
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 3a2e449..618cf92 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -588,16 +588,19 @@ static int venc_set_properties(struct venus_inst *inst)
>  			return ret;
>  	}
>  
> -	/* IDR periodicity, n:
> -	 * n = 0 - only the first I-frame is IDR frame
> -	 * n = 1 - all I-frames will be IDR frames
> -	 * n > 1 - every n-th I-frame will be IDR frame
> -	 */
> -	ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
> -	idrp.idr_period = 0;
> -	ret = hfi_session_set_property(inst, ptype, &idrp);
> -	if (ret)
> -		return ret;
> +	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
> +	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
> +		/* IDR periodicity, n:
> +		 * n = 0 - only the first I-frame is IDR frame
> +		 * n = 1 - all I-frames will be IDR frames
> +		 * n > 1 - every n-th I-frame will be IDR frame
> +		 */
> +		ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
> +		idrp.idr_period = 0;
> +		ret = hfi_session_set_property(inst, ptype, &idrp);
> +		if (ret)
> +			return ret;
> +	}
>  
>  	if (ctr->num_b_frames) {
>  		u32 max_num_b_frames = NUM_B_FRAMES_MAX;
> 

-- 
regards,
Stan



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