avcodec/nvenc: Write buffPeriod/picTime SEI in both CBR modes

libavcodec/nvenc.c

@@ -796,13 +796,16 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
             if (avctx->codec->id == AV_CODEC_ID_H264) {
                 ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
                 ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
+            }
+        }
+
+        if (avctx->codec->id == AV_CODEC_ID_H264) {
             ctx->encode_config.encodeCodecConfig.h264Config.outputBufferingPeriodSEI = 1;
             ctx->encode_config.encodeCodecConfig.h264Config.outputPictureTimingSEI = 1;
         } else if(avctx->codec->id == AV_CODEC_ID_H265) {
             ctx->encode_config.encodeCodecConfig.hevcConfig.outputBufferingPeriodSEI = 1;
             ctx->encode_config.encodeCodecConfig.hevcConfig.outputPictureTimingSEI = 1;
         }
-        }
     } else if (avctx->global_quality > 0) {
         ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
         ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;